ClassID:

242926

Y10S526/943 - CPC Classification

Classification description:

Synthetic resins or natural rubbers -- part of the class 520 series Polymerization with metallocene catalysts

Recent Application in this class:
#1
20190202949
2019-07-04

Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same

#2
20180094090
2018-04-05

Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same

#3
20160032024
2016-02-04

Activating agents for hafnium-based metallocene components

#4
20160017069
2016-01-21

Catalyst system with three metallocenes for producing broad molecular weight distribution polymers

#5
20150299353
2015-10-22

Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same

#6
20150203617
2015-07-23

Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same

#7
20150133612
2015-05-14

Methods of controlling dual catalyst olefin polymerizations with an alcohol compound

#8
20150099856
2015-04-09

Modified phosphinimine catalysts for olefin polymerization

#9
20150094433
2015-04-02

Modified phosphinimine catalysts for olefin polymerization

#10
20150045526
2015-02-12

Olefin-based polymer and preparation method thereof

#11
20150045521
2015-02-12

Methods for controlling dual catalyst olefin polymerizations with an alcohol compound

#12
20150018504
2015-01-15

Activating agents for hafnium-based metallocene components

#13
20150018503
2015-01-15

Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same

#14
20150011770
2015-01-08

Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same

#15
20150005460
2015-01-01

Catalyst system with three metallocenes for producing broad molecular weight distribution polymers

#16
20140371408
2014-12-18

Method for producing copolymer

#17
20140349050
2014-11-27

Solid state properties of polyethylene prepared with tetrahydroindenyl-based catalyst system

#18
20140242314
2014-08-28

Polymer resins with improved processability and melt fracture characteristics

#19
20140213744
2014-07-31

Catalyst compositions and methods of making and using same

#20
20140179885
2014-06-26

Method of preparing ethylene-α-olefin-diene copolymer

#21
20140163181
2014-06-12

Catalyst system with three metallocenes for producing broad molecular weight distribution polymers

#22
20140088274
2014-03-27

Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers

#23
20140066567
2014-03-06

Multiple catalyst system for olefin polymerization and polymers produced therefrom

#24
20140038486
2014-02-06

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

#25
20140031574
2014-01-30

Process for production of meso-form and racemic form metallocene complexes

#26
20140024789
2014-01-23

Adjusting polymer composition

#27
20140008844
2014-01-09

Caps and closures

#28
20130338322
2013-12-19

Activating agents for hafnium-based metallocene components

#29
20130324690
2013-12-05

Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor

#30
20130310528
2013-11-21

Catalysts and methods of use thereof to produce vinyl terminated polymers

#31
20130310476
2013-11-21

Expanded polypropylene resin particles, and polypropylene resin in-mold-expanded molding

#32
20130296507
2013-11-07

Reactor operability in a gas phase polymerization process

#33
20130289229
2013-10-31

Catalysts

#34
20130289213
2013-10-31

Polyethylene and process for production thereof

#35
20130274429
2013-10-17

Activating supports

#36
20130253155
2013-09-26

Activator compositions, their preparation, and their use in catalysis

#37
20130253154
2013-09-26

Method for preparing supported hybrid metallocene catalyst

#38
20130253153
2013-09-26

Processes for the polymerization of olefins with extracted metal carboxylate salts

#39
20130253152
2013-09-26

Preparation of a solid catalyst system

#40
20130245215
2013-09-19

Catalyst composition having improved flow characteristics and methods of making and using the same

#41
20130237674
2013-09-12

Advanced transition metal catalytic systems in terms of comonomer incorporations and methods for preparing ethylene homopolymers or copolymers of ethylene and alpha-olefins using the same

#42
20130225834
2013-08-29

Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and α-olefin using the same

#43
20130217845
2013-08-22

Process for olefin polymerisation using group 4 metallocene as catalysts

#44
20130217842
2013-08-22

High activity catalyst compositions containing silicon-bridged metallocenes with bulky substituents

#45
20130211032
2013-08-15

Method for controlling chain structure of copolymer

#46
20130211024
2013-08-15

Method for preparing olefin-diene copolymer using transition metal compound containing thiophene-fused cyclopentadienyl ligand

#47
20130211023
2013-08-15

Supported catalyst for olefin polymerization and preparation method for polyolefin using the same

#48
20130211021
2013-08-15

Method for preparing polypropylene using transition metal compound containing thiophene-fused cyclopentadienyl ligand

#49
20130211020
2013-08-15

Catalyst composition for olefin polymerization and preparation method for polyolefin using the same

#50
20130203949
2013-08-08

Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same

#51
20130197180
2013-08-01

Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromers

#52
20130150541
2013-06-13

Vinyl terminated higher olefin copolymers and methods to produce thereof

#53
20130131296
2013-05-23

Ti catalyst systems comprising substituted cyclopentadienyl, amidine and diene ligand

#54
20130131291
2013-05-23

Solid particulate catalysts comprising bridged metallocenes

#55
20130116394
2013-05-09

Solid particulate catalysts comprising bridged metallocenes

#56
20130102743
2013-04-25

Multi-component catalyst systems and polymerization processes for forming in-situ heterophasic copolymers and/or varying the xylene solubles content of polyolefins

#57
20130096269
2013-04-18

Ethylene-based terpolymer having high elasticity and preparation method thereof

#58
20130085246
2013-04-04

Olefin-based polymer and preparation method thereof

#59
20130079478
2013-03-28

Catalyst component for the polymerization of olefins having a guanidinate ligand

#60
20130072652
2013-03-21

Process for preparing a supported catalyst system for olefin polymerization, the catalyst system and its use

#61
20130059990
2013-03-07

Solid support-polymethylaluminoxane complex, method for producing same, olefin polymerization catalyst, and method for producing polyolefin

#62
20130053524
2013-02-28

Feeding highly active phosphinimine catalysts to a gas phase reactor

#63
20130053523
2013-02-28

Polymerization process for producing bimodal polymers

#64
20130035458
2013-02-07

High activity catalyst compositions containing silicon-bridged metallocenes with bulky substituents

#65
20130018156
2013-01-17

Catalysts

#66
20120329965
2012-12-27

ADVANCED TRANSITION METAL CATALYTIC SYSTEMS IN TERMS OF COMONOMER INCORPORATIONS AND METHODS FOR PREPARING ETHYLENE HOMOPOLYMERS OR COPOLYMERS OF ETHYLENE AND A-OLEFINS USING THE SAME

#67
20120316297
2012-12-13

Modified phosphinimine catalysts for olefin polymerization

#68
20120309914
2012-12-06

Fluorinated Impregnated Catalyst Systems and Methods of Forming the Same

#69
20120283399
2012-11-08

Process for producing syndiotactic α-olefin polymer

#70
20120277387
2012-11-01

Polymerization catalyst compositions containing metallocene complexes and polymers produced by using the same

#71
20120271017
2012-10-25

Catalyst systems having a tailored hydrogen response

#72
20120271016
2012-10-25

Catalysts

#73
20120245313
2012-09-27

Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromers

#74
20120245311
2012-09-27

Catalysts and methods of use thereof to produce vinyl terminated polymers

#75
20120245310
2012-09-27

Vinyl terminated higher olefin copolymers and methods to produce thereof

#76
20120245021
2012-09-27

Polyolefins prepared from a metallocene and a new single site catalyst components in a single reactor

#77
20120238712
2012-09-20

Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor

#78
20120202956
2012-08-09

Halogen substituted heteroatom-containing metallocene compounds for olefin polymerization

#79
20120196993
2012-08-02

Method for producing copolymer

#80
20120190804
2012-07-26

Dual metallocene catalysts for polymerization of bimodal polymers

#81
20120165492
2012-06-28

Borohydride metallocene complex of a lanthanide, catalytic system including the said complex, polymerisation method using same and ethylene/butadiene copolymer obtained using said method

#82
20120149854
2012-06-14

Nano-linked heteronuclear metallocene catalyst compositions and their polymer products

#83
20120149829
2012-06-14

Polymerization process and adhesives therefrom

#84
20120142905
2012-06-07

Borohydride metallocene complex of a lanthanide, catalytic system including said complex, polymerization method using same and ethylene/butadiene copolymer obtained using said method

#85
20120141710
2012-06-07

Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches

#86
20120141702
2012-06-07

Ethylene copolymer having multiple pitch in molecular weight distribution and the method of preparing the same

#87
20120130032
2012-05-24

Polymerization process using a supported constrained geometry catalyst

#88
20120130027
2012-05-24

Caps and closures

#89
20120129683
2012-05-24

Polymerization catalysts and method for preservation of same

#90
20120108777
2012-05-03

Interpolymers suitable for use in hot melt adhesives and processes to prepare the same

#91
20120108765
2012-05-03

Polymerization catalysts for producing polymers with low melt elasticity

#92
20120108764
2012-05-03

Half-metallocene catalyst compositions and their polymer products

#93
20120101235
2012-04-26

Polyethylene and process for production thereof

#94
20120095175
2012-04-19

PREPARATION AND USE OF TETRASUBSTITUTED FLUORENYL CATALYSTS FOR POLYMERIZATION OF OLEFINS

#95
20120095174
2012-04-19

Fluorinated Catalyst Systems and Methods of Forming the Same

#96
20120095173
2012-04-19

Prepolymerized catalyst for olefin polymerization, method of producing this prepolymerized catalyst and method of producing olefin polymer

#97
20120095157
2012-04-19

Multiple catalyst system for olefin polymerization and polymers produced therefrom

#98
20120065346
2012-03-15

Ethylene-α-olefin copolymer, molded article, catalyst for copolymerization, and method for producing an ethylene-α-olefin copolymer

#99
20120065054
2012-03-15

Catalyst systems and polymerization processes

#100
20120059134
2012-03-08

Catalyst systems and methods of making and using same

#101
20120058886
2012-03-08

Nano-linked metallocene catalyst compositions and their polymer products

#102
20120046158
2012-02-23

POLYMERIZATION CATALYST COMPOSITIONS CONTAINING METALLOCENE COMPLEXES AND POLYMERS PRODUCED BY USING THE SAME

#103
20120041164
2012-02-16

Methods of controlling polymer properties

#104
20120041149
2012-02-16

ETHYLENE COPOLYMER AND A METHOD OF PREPARING THE SAME

#105
20120040878
2012-02-16

Process for producing α-olefin polymer, α-olefin polymer, and lubricating oil composition

#106
20110319576
2011-12-29

Process for preparing ethylene homopolymers or copolymers of ethylene with α-olefin by using the transition metal compound

#107
20110319575
2011-12-29

Catalyst compositions and polyolefins for extrusion coating applications

#108
20110313118
2011-12-22

FLUORINATED IMPREGNATED CATALYST SYSTEMS AND METHODS OF FORMING THE SAME

#109
20110313117
2011-12-22

Propylene ethylene polymers and production process

#110
20110306740
2011-12-15

Catalysts for olefin polymerization

#111
20110288249
2011-11-24

Halogen substituted heteroatom-containing metallocene compounds for olefin polymerization

#112
20110282011
2011-11-17

METHOD FOR PREPARING ELASTOMERIC COPOLYMERS OF ETHYLENE AND a-OLEFINS

#113
20110275848
2011-11-10

Method and system for forming a precursor compound for non-bridged unsymmetric polyolefin polymerization catalyst

#114
20110269927
2011-11-03

Components and catalysts for the polymerization of olefins

#115
20110269923
2011-11-03

Multi-component catalyst systems and polymerization processes for forming in-situ heterophasic copolymers and/or varying the xylene solubles content of polyolefins

#116
20110213109
2011-09-01

Mono-indenyl transition metal compounds and polymerization therewith

#117
20110207898
2011-08-25

Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene

#118
20110201770
2011-08-18

Dual metallocene catalysts for polymerization of bimodal polymers

#119
20110201767
2011-08-18

Process for preparing polymers from 3-methylbut-1-ene

#120
20110196117
2011-08-11

Polymerization modifiers

#121
20110196103
2011-08-11

PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST

#122
20110190460
2011-08-04

Polymerization process for producing bimodal polymers

#123
20110184135
2011-07-28

Polymerization modifiers

#124
20110160413
2011-06-30

Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition

#125
20110152529
2011-06-23

Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition

#126
20110144290
2011-06-16

Nano-linked heteronuclear metallocene catalyst compositions and their polymer products

#127
20110098426
2011-04-28

TRANSITION METAL CATALYTIC SYSTEMS AND METHODS FOR PREPARING ETHYLENE HOMOPOLYMERS OR COPOLYMERS OF THE ETHYLENE AND a-OLEFINS USING THE SAME

#128
20110098424
2011-04-28

Preparation of styrene homopolymers and styrene-ethlyene copolymers

#129
20110065877
2011-03-17

Ethylene-propylene-diene copolymer production method

#130
20110065874
2011-03-17

Half-metallocene catalyst compositions and their polymer products

#131
20110059278
2011-03-10

Solid state properties of polyethylene prepared with tetrahydroindenyl-based catalyst system

#132
20110040052
2011-02-17

Processes for controlling the viscosity of polyalphaolefins

#133
20110040041
2011-02-17

Polymerization processes using metallocene catalysts, their polymer products and end uses

#134
20110028654
2011-02-03

Process for preparation of polyolefins via living coordinative chain transfer polymerization

#135
20110021732
2011-01-27

Process for the production of a polymer comprising monomeric units of ethylene, an A-olefin and a vinyl norbornene

#136
20100331501
2010-12-30

Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor

#137
20100324236
2010-12-23

Nano-linked heteronuclear metallocene catalyst compositions and their polymer products

#138
20100311926
2010-12-09

Process for preparing transition metal compounds for olefins polymerization

#139
20100305287
2010-12-02

Metallocene-substituted pyridyl amines, their metal complexes, and processes for production and use thereof

#140
20100298510
2010-11-25

Catalyst system and process for olefin polymerization

#141
20100292425
2010-11-18

Method and system for forming a precursor compound for non-bridged unsymmetric polyolefin polymerization catalyst

#142
20100280196
2010-11-04

Prepolymerized catalyst for olefin polymerization, method of producing this prepolymerized catalyst and method of producing olefin polymer

#143
20100267906
2010-10-21

Solution polymerization process for preparing polyolefins

#144
20100267898
2010-10-21

Curable composition and method for producing the same

#145
20100261861
2010-10-14

Polymerization catalysts and methods of using the same to produce polyolefin products

#146
20100261860
2010-10-14

Racemoselective synthesis of ansa-metallocene compounds, ansa-metallocene compounds, catalysts comprising them, process for producing an olefin polymer by use of the catalysts, and olefin homo- and copolymers

#147
20100249345
2010-09-30

Process for the preparation of catalyst paste and products thereof

#148
20100234547
2010-09-16

Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom

#149
20100234545
2010-09-16

Ethylene copolymer having multiple pitch molecular weight distribution and the method of preparing the same

#150
20100227987
2010-09-09

Propylene-based polymer, production method therefor, composition using the same, and application thereof

#151
20100194649
2010-08-05

Antenna configuration for electronic devices

#152
20100190943
2010-07-29

Multi-block copolymer process using polar solvents

#153
20100190931
2010-07-29

Catalyst system for polymerization of olefinic monomers, process for preparing polymers, and polymers prepared by the process

#154
20100168364
2010-07-01

Multi-branched polypropylene

#155
20100160579
2010-06-24

Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches

#156
20100144989
2010-06-10

Methods of controlling polymer properties

#157
20100130708
2010-05-27

Method of controlling the relative activity of the different active centers of hybrid catalysts

#158
20100121015
2010-05-13

1-butene propylene copolymer compositions

#159
20100121011
2010-05-13

1-butene propylene copolymer compositions

#160
20100120981
2010-05-13

Ethylene copolymer and a method of preparing the same

#161
20100113721
2010-05-06

Fourth group transition metal compound having cyclopentadienyl ligand, method of preparing compound, and method of preparing olefin polymer using compound

#162
20100113720
2010-05-06

Method for preparing elastomeric copolymers of ethylene and α-olefins

#163
20100113717
2010-05-06

Process for producing substituted metallocene compounds for olefin polymerization

#164
20100099834
2010-04-22

Transition metal catalyst systems and formation thereof

#165
20100093959
2010-04-15

Supported catalyst for olefin polymerization using transition metal compound having phenylene-bridge, method for preparing the same, and method for preparing polyolefin using the same

#166
20100093954
2010-04-15

Polymerization process

#167
20100081776
2010-04-01

Transition metal catalytic systems and methods for preparing ethylene homopolymers or copolymers of ethylene and α-olefins using the same

#168
20100069588
2010-03-18

Process for production of syndiotactic propylene polymer

#169
20100069587
2010-03-18

Method for preparing copolymers

#170
20100069582
2010-03-18

Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching

#171
20100063227
2010-03-11

Catalyst systems and polymerization processes

#172
20100056737
2010-03-04

Process for manufacturing high to ultra high molecular weight polymers using novel bridged metallocene catalysts

#173
20100048933
2010-02-25

Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the same

#174
20100048843
2010-02-25

Catalyst compositions and polyolefins for extrusion coating applications

#175
20100041842
2010-02-18

Dual metallocene catalysts for polymerization of bimodal polymers

#176
20100036072
2010-02-11

Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins

#177
20100036066
2010-02-11

α-Olefin polymer and process for production thereof

#178
20100029873
2010-02-04

Catalyst system and process for olefin polymerization

#179
20100029872
2010-02-04

Acidic activator-supports and catalysts for olefin polymerization

#180
20100029871
2010-02-04

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

#181
20100022725
2010-01-28

Borohydride metallocene complex of a lanthanide, catalytic system including said complex, polymerization method using same and ethylene/butadiene copolymer obtained using said method

#182
20100010174
2010-01-14

Half-metallocene catalyst compositions and their polymer products

#183
20090326168
2009-12-31

Multiple component feed methods and systems

#184
20090306323
2009-12-10

Polyolefin film

#185
20090281342
2009-11-12

Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching

#186
20090275712
2009-11-05

Metallocene compounds

#187
20090275711
2009-11-05

Olefin polymerization process

#188
20090270578
2009-10-29

Catalytic system for obtaining conjugated diene/mono-olefin copolymers and these copolymers

#189
20090264605
2009-10-22

Polymerization modifiers

#190
20090259007
2009-10-15

Process for the polymerization of olefins

#191
20090253875
2009-10-08

Rare earth metal complex, polymerization catalyst, and process for producing polymer

#192
20090240011
2009-09-24

Polymerisation of ethylene and alpha-olefins with phosphino-iminophenol complexes

#193
20090239999
2009-09-24

Polymerization process and adhesives therefrom

#194
20090227747
2009-09-10

Metallocene-substituted pyridyl amines, their metal complexes, and processes for production and use thereof

#195
20090221772
2009-09-03

Metallocene compounds

#196
20090215973
2009-08-27

PROPYLENE POLYMER AND COMPOSITION CONTAINING THE SAME, MOLDED OBJECT AND LAMINATE COMPRISING THESE, AND PROCESSES FOR PRODUCING PROPYLENE POLYMER AND COMPOSITION CONTAINING THE SAME

#197
20090203859
2009-08-13

Process for the polymerizaion of olefins

#198
20090203858
2009-08-13

Process for preparing polymers from 3-methylbut-1-ene

#199
20090198089
2009-08-06

Controlling branch level and viscosity of polyalphaolefins with propene addition

#200
20090198078
2009-08-06

Process for preparing a monocyclopentadienyl compound

#201
20090186995
2009-07-23

Production of propylene-based polymers

#202
20090182104
2009-07-16

Borohydride metallocene complex of a lanthanide, catalytic system including said complex, polymerization method using same and ethylene/butadiene copolymer obtained using said method

#203
20090182102
2009-07-16

Interpolymers suitable for use in hot melt adhesives and processes to prepare the same

#204
20090176949
2009-07-09

Transition metal complexes, catalyst compositions containing the same, and methods for preparing ethylene homopolymers or copolymers of ethylene and α-olefins using the same

#205
20090171041
2009-07-02

Nano-linked metallocene catalyst compositions and their polymer products

#206
20090163688
2009-06-25

FLUORENYL CATALYST COMPOSITIONS AND OLEFIN POLYMERIZATION PROCESS

#207
20090156761
2009-06-18

Fluorinated transition metal catalysts and formation thereof

#208
20090124769
2009-05-14

Process for producing cycloolefin addition polymer, catalyst for addition polymerization of cycloolefin, and transition metal compound

#209
20090124486
2009-05-14

Halogen substituted heterocyclic heteroatom containing ligands-alumoxane activation of metallocenes

#210
20090118414
2009-05-07

Propylene resin composition

#211
20090111955
2009-04-30

Fluorinated impregnated catalyst systems and methods of forming the same

#212
20090105433
2009-04-23

Multi-component catalyst systems and polymerization processes for forming in-situ heterophasic copolymers and/or varying the xylene solubles content of polyolefins

#213
20090099310
2009-04-16

Transition metal compound, catalyst for olefin polymerization containing the same, and method for producing propylene/ethylene-α-olefin block copolymer by using the catalyst

#214
20090088543
2009-04-02

Polymerization catalysts for producing polymers with low melt elasticity

#215
20090076213
2009-03-19

Random copolymers and formulations useful for thermoforming and blow molding applications

#216
20090069518
2009-03-12

Process for the polymerization of 1-butene

#217
20090069475
2009-03-12

Multiple catalyst system for olefin polymerization and polymers produced therefrom

#218
20090062494
2009-03-05

Process for the preparation of polypropylene

#219
20090062490
2009-03-05

Olefin polymerization process

#220
20090062487
2009-03-05

Olefin polymerization process

#221
20090054607
2009-02-26

Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the same

#222
20090054606
2009-02-26

Catalyst compositions and polyolefins for extrusion coating applications

#223
20090043050
2009-02-12

Propylene copolymer, polypropylene composition and uses thereof, transition metal compound and olefin polymerization catalyst

#224
20090042720
2009-02-12

Activating supports for metallocene catalysis

#225
20090042472
2009-02-12

Fibers made from copolymers of ethylene/α-olefins

#226
20090030221
2009-01-29

Transition metal complexes and preparation methods thereof

#227
20090023873
2009-01-22

Process for the polymerization of olefins

#228
20090018292
2009-01-15

Monocyclopentadienyl complexes

#229
20090012247
2009-01-08

Process for the preparation of an olefin polymerisation catalyst

#230
20090005525
2009-01-01

Catalyst composition comprising Group 4 transition metal complexes and method for preparing polyolefins using the same

#231
20090005523
2009-01-01

Process for the preparation of atactic 1-butene polymers

#232
20080319148
2008-12-25

Process for producing modified particle; carrier; catalyst component for addition polymerization; process for producing catalyst for addition polymerization; and process for producing addition polymer

#233
20080319135
2008-12-25

1-butene polymers composition

#234
20080312461
2008-12-18

Propylene copolymer, polypropylene composition and uses thereof, transition metal compound and olefin polymerization catalyst

#235
20080312375
2008-12-18

Polymerization process

#236
20080306293
2008-12-11

Production process of alkoxy-titanium complex

#237
20080306234
2008-12-11

Propylene copolymer, polypropylene composition and uses thereof, transition metal compound and olefin polymerization catalyst

#238
20080306219
2008-12-11

PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST

#239
20080292896
2008-11-27

Polypropylene composite film comprising a metallocene-catalyzed propylene/1-butene random copolymer

#240
20080287620
2008-11-20

Ethylene elastomer compositions

#241
20080287618
2008-11-20

Solid State Properties Of Polyethylene Prepared With Tetrahydroindenyl-Based Catalyst System

#242
20080287617
2008-11-20

Catalyst system for olefin polymerization and polymers produced therefrom

#243
20080287287
2008-11-20

Methods of preparing a polymerization catalyst

#244
20080281062
2008-11-13

Catalyst system for the polymerization of olefin

#245
20080281061
2008-11-13

Process for polymerizaing 1-hexene or higher alpha-olefins

#246
20080281060
2008-11-13

Process for polymerizing 1-hexene or higher alpha-olefins

#247
20080275254
2008-11-06

Process for polymerizing 1-butene

#248
20080275200
2008-11-06

Production of olefin polymerization catalysts

#249
20080269439
2008-10-30

Process for the polymerization of alpha olefins

#250
20080261804
2008-10-23

Oxygen-bridged bimetallic complex, the production thereof and its utilization for polymerization catalysis

#251
20080257854
2008-10-23

Caps and closures

#252
20080249273
2008-10-09

Isotactic 1-butene copolymers

#253
20080234452
2008-09-25

Titanocene-based catalyst system

#254
20080227940
2008-09-18

Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products

#255
20080214753
2008-09-04

Catalyst systems and their use in polymerization processes

#256
20080214385
2008-09-04

Catalyst composition and methods for its preparation and use in a polymerization process

#257
20080200709
2008-08-21

Chain growth reaction process

#258
20080200708
2008-08-21

Preparation of partially hydrogenated rac-ansa-metallocene complexes

#259
20080194780
2008-08-14

Ziegler-type catalysts having increased productivity

#260
20080171840
2008-07-17

Butene-1/ethylene copolymer

#261
20080161514
2008-07-03

Transition metal complex, process for producing said transition metal complex, substituent-carrying fluorene compound, process for producing said fluorene compound, catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for producing olefin polymer

#262
20080153999
2008-06-26

Process for the preparation of a polyolefin

#263
20080139761
2008-06-12

Process for polymerizing 1-butene

#264
20080132659
2008-06-05

Process for polymerizing 1-butene

#265
20080132640
2008-06-05

Ethylene polymerization process

#266
20080114135
2008-05-15

Method for transitioning between ziegler-natta and metalocene catalysts in a bulk loop reactor for the production of polypropylene

#267
20080108768
2008-05-08

Ethylene copolymers and their uses

#268
20080108766
2008-05-08

Polyolefins prepared from a metallocene and a new single site catalyst component in a single reactor

#269
20080108765
2008-05-08

Activating Agents for Hafnium-Based Metallocene Components

#270
20080097056
2008-04-24

Highly soluble ferrocenyl compounds

#271
20080097055
2008-04-24

Process for producing propylene polymer

#272
20080097053
2008-04-24

Cyclopentadienyl complexes of group 6 substituted by silyl halides

#273
20080097052
2008-04-24

Syndiotactic polypropylene and methods of preparing same

#274
20080081885
2008-04-03

Polymerization process

#275
20080071048
2008-03-20

Highly flowable 1-butene polymer and process for producing the same

#276
20080064835
2008-03-13

Production of Olefin Polymerization Catalysts

#277
20080058487
2008-03-06

Polymerization reactor operability using static charge modifier agents

#278
20080045679
2008-02-21

Polymers made with metallocene catalysts, for use in rotomolding and injection molding products

#279
20080045663
2008-02-21

Polymerization processes using metallocene catalysts, their polymer products and end uses

#280
20080045406
2008-02-21

Supported polymerization catalysts

#281
20080027239
2008-01-31

Process for the racemoselective synthesis of ansa-metallocenes

#282
20080027193
2008-01-31

Isotactic-atactic polypropylene and methods of making same

#283
20080027190
2008-01-31

Process for producing fractionable 1-butene polymers

#284
20080027189
2008-01-31

Fluorenyl catalyst compositions and olefin polymerization process

#285
20080026935
2008-01-31

Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefins

#286
20080026934
2008-01-31

Acidic activator supports and catalysts for olefin polymerization

#287
20080004460
2008-01-03

Polymerization catalysts and process for producing bimodal polymers in a single reactor

#288
20070293641
2007-12-20

Propylene based terpolymers

#289
20070293640
2007-12-20

Multiple catalyst system for olefin polymerization and polymers produced therefrom

#290
20070293639
2007-12-20

Olefin polymerization process

#291
20070287814
2007-12-13

Polymerization catalysts for producing polymers with low levels of long chain branching

#292
20070282085
2007-12-06

Supported antistatic polymerization catalyst

#293
20070276076
2007-11-29

1-butene polymer and process for the preparation thereof

#294
20070274873
2007-11-29

Continuous slurry polymerization apparatus

#295
20070249490
2007-10-25

Bis-arylaryloxy catalytic system for producing ethylene homopolymers or ethylene copolymers with alpha-olefins

#296
20070248116
2007-10-25

COMMUNICATION CONTROL APPARATUS AND METHOD OF CONTROLLING SAME

#297
20070244276
2007-10-18

Propylene ethylene polymers and production process

#298
20070232758
2007-10-04

Polymerization catalyst compositions containing metallocene complexes and polymers produced by using the same

#299
20070232484
2007-10-04

Transition metal catalyst and formation thereof

#300
20070232483
2007-10-04

Polymerization catalysts for producing polymers with low levels of long chain branching