ClassID:

97743

C08F4/659 - CPC Classification

Classification description:

Polymerisation catalysts; Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof; Refractory metals or compounds thereof; Titanium, zirconium, hafnium or compounds thereof Component covered by group containing a transition metal-carbon bond

Recent Application in this class:
#1
20250353942
2025-11-20

Modified Pyridine-2,6-Bis(Phenylenephenolate) Complexes with Enhanced Solubility that are Useful as Catalyst Components for Olefin Polymerization

#2
20250043034
2025-02-06

Processes for Making Polyolefins with Composition Control

#3
20240343840
2024-10-17

PROCESS FOR PRODUCING POLYOLEFIN GRANULAR RESIN WITH INCREASED SETTLED BULK DENSITY

#4
20230287156
2023-09-14

Polyethylene Compositions Obtained Using Transition Metal Bis(Phenolate) Catalyst Complexes and Homogeneous Process for Production Thereof

#5
20230242693
2023-08-03

CROSSLINKED COMPOSITIONS FROM OLEFIN/SILANE INTERPOLYMERS

#6
20230227637
2023-07-20

MULTIMODAL ETHYLENE COPOLYMER

#7
20230151127
2023-05-18

ATTENUATED HYBRID CATALYSTS

#8
20230151126
2023-05-18

ATTENUATED POST-METALLOCENE CATALYSTS

#9
20230148294
2023-05-11

POLYMERIZATION CATALYST HAVING A TETRADENTATE LIGAND

#10
20230132152
2023-04-27

ATTENUATED POST-METALLOCENE CATALYSTS

#11
20230022904
2023-01-26

Broad Orthogonal Distribution Polyethylenes for Films

#12
20220388946
2022-12-08

Non-Coordinating Anion Activators Containing a Cation with Long Chain Alkoxy Functionalization

#13
20210206895
2021-07-08

Process for producing a heterophasic propylene copolymer having a high xylene cold soluble fraction (XCS)

#14
20210179643
2021-06-17

Ligand compound, transition metal compound, and catalyst composition comprising the transition metal compound

#15
20210163633
2021-06-03

Activator-nucleator formulations

#16
20210122841
2021-04-29

Catalyst Systems Including Group 15 Catalyst and Non-Coordinating Anion Type Activator Containing Cation Having Alkyl Groups and uses Thereof

#17
20210040242
2021-02-11

Long chain branched polypropylene via polymerization with aluminum vinyl transfer agent

#18
20210032382
2021-02-04

Olefin polymerization activators

#19
20200255562
2020-08-13

Branched ethylene copolymers produced via use of vinyl transfer agents and processes for production thereof

#20
20200109224
2020-04-09

Polymerizations for olefin-based polymers

#21
20190352440
2019-11-21

Methods for operating a polymerization reactor

#22
20190270833
2019-09-05

Polyolefin catalyst and method for preparing polyolefin by using same

#23
20190263942
2019-08-29

Hybrid supported metallocene catalyst, and polyolefin resin having excellent processability and using same

#24
20190263844
2019-08-29

Ligand compound, transition metal compound, and catalyst composition comprising the transition metal compound

#25
20190169323
2019-06-06

High-processability high-density ethylene-based polymer using hybrid supported metallocene catalyst, and preparation method therefor

#26
20190144579
2019-05-16

Polymerization processes

#27
20190144570
2019-05-16

Metal complexes

#28
20190135963
2019-05-09

Olefin-based copolymer and process for preparing same

#29
20190127503
2019-05-02

High-density ethylene-based polymer using hybrid supported metallocene catalyst, and preparation method

#30
20190127497
2019-05-02

Toluene free silica supported single-site metallocene catalysts from in-situ supported MAO formation in aliphatic solvents

#31
20190040161
2019-02-07

Bisphenolate transition metal complexes, production and use thereof

#32
20190016885
2019-01-17

Polyolefin-arylene-ether nanoplatelet composites

#33
20180319907
2018-11-08

Long chain branched polypropylene via polymerization with aluminum vinyl transfer agent

#34
20180282452
2018-10-04

Polymerization process for producing ethylene based polymers

#35
20180282443
2018-10-04

Metallocene-catalyzed polyalpha-olefins

#36
20180251586
2018-09-06

Branched ethylene copolymers produced via use of vinyl transfer agents and processes for production thereof

#37
20180201700
2018-07-19

Aluminum alkyls with pendant olefins on clays

#38
20180201698
2018-07-19

Polymers produced via use of vinyl transfer agents

#39
20180194871
2018-07-12

Polymerization process for producing ethylene based polymers

#40
20180186910
2018-07-05

Polymerization process for producing ethylene based polymers

#41
20180148526
2018-05-31

Process to form ethylene/α-olefin interpolymers

#42
20180134827
2018-05-17

Branched propylene polymers produced via use of vinyl transfer agents and processes for production thereof

#43
20180134817
2018-05-17

Catalyst compositions and use thereof

#44
20180134816
2018-05-17

Polymers produced via use of quinolinyldiamido transition metal complexes and vinyl transfer agents

#45
20180118862
2018-05-03

Methods for operating a polymerization reactor

#46
20180118860
2018-05-03

Supported catalyst systems and processes for use thereof

#47
20180105626
2018-04-19

Processes for the production of high molecular weight ethylene/alpha-olefin/non-conjugated interpolymers with low levels of long chain branching

#48
20180086859
2018-03-29

Supported catalyst systems and processes for use thereof

#49
20180079845
2018-03-22

Multimodal and broad molecular weight high density polyethylene

#50
20180057513
2018-03-01

Transition metal complexes, production and use thereof

#51
20180037676
2018-02-08

Method for preparing polyolefin

#52
20180002464
2018-01-04

Polyolefin composition and method of producing the same

#53
20170267796
2017-09-21

Five-coordinate bis-phenylphenoxy catalysts for the preparation of ethylene-based polymers

#54
20170158790
2017-06-08

Molecular weight control of polyolefins using halogenated bis-phenylphenoxy catalysts

#55
20170101494
2017-04-13

Polymerizations for olefin-based polymers

#56
20170101493
2017-04-13

Catalyst systems for olefin polymerization

#57
20170096511
2017-04-06

Polymerization process using bis phenolate compounds supported on organoaluminum treated layered silicate supports

#58
20160280722
2016-09-29

Bisphenolate transition metal complexes, production and use thereof

#59
20160168484
2016-06-16

Methods of separating aromatic compounds from lube base stocks

#60
20160168333
2016-06-16

Organosilica materials and uses thereof

#61
20160168174
2016-06-16

Organosilica materials and uses thereof

#62
20160167032
2016-06-16

Aromatic hydrogenation catalysts and uses thereof

#63
20160167016
2016-06-16

Coating methods using organosilica materials and uses thereof

#64
20160167015
2016-06-16

Adsorbent for heteroatom species removal and uses thereof

#65
20160108156
2016-04-21

Molecular weight control of polyolefins using halogenated bis-phenylphenoxy catalysts

#66
20150291710
2015-10-15

Vinyl terminated macromonomers

#67
20150246982
2015-09-03

Pyridyldiamido transition metal complexes, production and use thereof

#68
20150225520
2015-08-13

Linear low density polyethylene composition suitable for cast film

#69
20150166690
2015-06-18

Cyclopentadienyl-substituted salan catalysts

#70
20150141601
2015-05-21

Pyridyldiamido transition metal complexes, production and use thereof

#71
20140296456
2014-10-02

Catalyst systems for production of alpha olefin oligomers and polymers

#72
20140296453
2014-10-02

Catalyst compositions for the polymerization of olefins

#73
20140163186
2014-06-12

Process for selectively polymerizing ethylene and catalyst therefor

#74
20130310526
2013-11-21

Process for preparing catalysts and catalysts made thereby

#75
20130172498
2013-07-04

Catalyst systems for production of alpha olefin oligomers and polymers

#76
20130172497
2013-07-04

Catalyst compositions for the polymerization of olefins

#77
20130144018
2013-06-06

Process for polymerizing a polymerizable olefin and catalyst therefor

#78
20130131295
2013-05-23

Catalyst compounds and use thereof

#79
20130131294
2013-05-23

Amidinate Catalyst Compounds, Process for Their Use and Polymers Produced Therefrom

#80
20130041119
2013-02-14

OLEFIN POLYMER PRODUCING METHOD, ETHYLENE POLYMER, AND MOLD PRODUCT

#81
20130030092
2013-01-31

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

#82
20120271018
2012-10-25

Imino carbene compounds and derivatives, and catalyst compositions made therefrom

#83
20120271017
2012-10-25

Catalyst systems having a tailored hydrogen response

#84
20120259081
2012-10-11

Reactor continuity

#85
20120232235
2012-09-13

Catalyst compositions containing transition metal complexes with thiolate ligands

#86
20120214890
2012-08-23

Polypropylene resin expanded particles and polypropylene resin in-mold foaming molded body

#87
20120165486
2012-06-28

Dual- or multi-headed chain shuttling agents and their use for preparation of block copolymers

#88
20120116035
2012-05-10

High activity, low molecular weight olefin polymerization process

#89
20120108770
2012-05-03

High temperature polyethylene solution polymerization process

#90
20120101241
2012-04-26

Ethylene/α-olefin/diene solution polymerization process and polymer

#91
20120101239
2012-04-26

Activating supports with controlled distribution of OH groups

#92
20120095158
2012-04-19

ETHYLENIC POLYMER AND ITS USE

#93
20120088894
2012-04-12

Polyolefin solution polymerization process and polymer

#94
20120065346
2012-03-15

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

#95
20120029159
2012-02-02

Polydentate heteroatom ligand containing metal complexes, catalysts and methods of making and using the same

#96
20120016092
2012-01-19

Catalysts based on quinoline precursors

#97
20110313119
2011-12-22

High temperature solution polymerization process

#98
20110301310
2011-12-08

Pyridyldiamido transition metal complexes, production and use thereof

#99
20110294972
2011-12-01

Olefin Polymerization Catalysts

#100
20110282018
2011-11-17

Process for selectively polymerizing ethylene and catalyst therefor

#101
20110275772
2011-11-10

Method for controlling bimodal catalyst activity during polymerization

#102
20110196117
2011-08-11

Polymerization modifiers

#103
20110184135
2011-07-28

Polymerization modifiers

#104
20110152486
2011-06-23

Supported nonmetallocene catalyst and preparation thereof

#105
20110144291
2011-06-16

Post-metallocene complexes based on bis(naphthoxy)pyridine and bis(naphthoxy)thiophene ligands for the polymerisation of ethylene and alpha-olefins

#106
20110144240
2011-06-16

Functionalized ethylene/α-olefin interpolymer compositions

#107
20110124818
2011-05-26

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

#108
20110118417
2011-05-19

Polyethylene compositions

#109
20110118416
2011-05-19

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

#110
20110092651
2011-04-21

Catalytic olefin block copolymers via polymerizable shuttling agent

#111
20110077370
2011-03-31

Continuity additives and their use in polymerization processes

#112
20100286349
2010-11-11

Complexes and method for synthesis of group 4 organometallics grafted on anions olefin oligomerization and polymerization method

#113
20100249355
2010-09-30

Methods for making polyolefins

#114
20100168310
2010-07-01

Method for forming flame-retardant clay-polyolefin composites

#115
20100144515
2010-06-10

FLUORINATED DIALKOXY-DIIMINO CATALYST COMPONENTS

#116
20100048841
2010-02-25

PHENOL-HETEROCYCLIC LIGANDS, METAL COMPLEXES, AND THEIR USES AS CATALYSTS

#117
20100036069
2010-02-11

High efficiency solution polymerization process

#118
20100016527
2010-01-21

Tethered supported transition metal complex

#119
20090318587
2009-12-24

Method for forming flame-retardant clay-polyolefin composites

#120
20090312509
2009-12-17

Polypropylene solution polymerization process

#121
20090306318
2009-12-10

ORTHO-METALLATED HAFNIUM COMPLEXES OF IMIDAZOLE LIGANDS

#122
20090299116
2009-12-03

Polyolefin solution polymerization process and polymer

#123
20090286944
2009-11-19

SELECT PHENOL-HETEROCYCLE LIGANDS, METAL COMPLEXES FORMED THEREFROM, AND THEIR USES AS CATALYSTS

#124
20090264605
2009-10-22

Polymerization modifiers

#125
20090221770
2009-09-03

Polydentate heteroatom ligand containing metal complexes, catalysts and methods of making and using the same

#126
20090163667
2009-06-25

Catalytic olefin block copolymers via polymerizable shuttling agent

#127
20090118426
2009-05-07

Olefin polymer and process for preparing the same

#128
20090111944
2009-04-30

Pseudo-block copolymers and process employing chain shuttling agent

#129
20090105417
2009-04-23

Polymer blends from interpolymers of ethylene/α-olefin with improved compatibility

#130
20090042472
2009-02-12

Fibers made from copolymers of ethylene/α-olefins

#131
20080306293
2008-12-11

Production process of alkoxy-titanium complex

#132
20080293895
2008-11-27

Polymerization process using a supported, treated catalyst system

#133
20080281037
2008-11-13

Adhesive and marking compositions made from interpolymers of ethylene/α-olefins

#134
20080280517
2008-11-13

Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates

#135
20080275189
2008-11-06

Control of polymer architecture and molecular weight distribution via multi-centered shuttling agent

#136
20080275164
2008-11-06

Method for forming exfoliated clay-polyolefin nanocomposites

#137
20080269470
2008-10-30

Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom

#138
20080269442
2008-10-30

CATIONIC PERAMIDO TITANIUM POLYMERIZATION CATALYSTS

#139
20080269419
2008-10-30

Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation

#140
20080269412
2008-10-30

Catalytic olefin block copolymers with controlled block sequence distribution

#141
20080269388
2008-10-30

Cap liners, closures, and gaskets from multi-block polymers

#142
20080262175
2008-10-23

Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation

#143
20080255329
2008-10-16

High activity, low molecular weight olefin polymerization process

#144
20080207853
2008-08-28

Precatalysts useful in polyolefin polymerization reactions

#145
20080177020
2008-07-24

Non-metallocene organometallic complexes and related methods and systems

#146
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

#147
20080051537
2008-02-28

Supported Bis(Hydroxylarylaryloxy) Catalysts For Manufacture Of Polymers

#148
20080033124
2008-02-07

Polymerization Process

#149
20080021172
2008-01-24

Functionalized poly(4-methyl-1-pentene)

#150
20070249798
2007-10-25

Isotactic propylene copolymers, their preparation and use

#151
20070219327
2007-09-20

Technique for selecting polymerization modifiers cross reference statement

#152
20070167578
2007-07-19

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

#153
20070111883
2007-05-17

Catalysts for olefin polymerization

#154
20070100145
2007-05-03

Titanium substituted pyridyl amine complexes, catalysts and processes for polymerizing ethylene and styrene

#155
20070066756
2007-03-22

Polymer blends from interpolymer of ethylene/α olefin with improved compatibility

#156
20070043184
2007-02-22

Bidentate catalyst for olefin polymerization, methods of forming such and products therefrom

#157
20060293473
2006-12-28

Polymerisation catalysts

#158
20060281867
2006-12-14

Enhanced ESCR bimodal HDPE for blow molding applications

#159
20060234857
2006-10-19

Catalysts for olefin polymerization

#160
20060211892
2006-09-21

Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom

#161
20060205588
2006-09-14

Bridged bi-aromatic catalysts, complexes, and methods of using the same

#162
20060178490
2006-08-10

Catalysts containing N-pyrrolyl substituted nitrogen donors

#163
20060135722
2006-06-22

Substituted pyridyl amine catalysts and processes for polymerizing crystalline polymers

#164
20060135713
2006-06-22

Phenol-heterocyclic ligands, metal complexes, and their uses as catalysts

#165
20060128913
2006-06-15

Polymerization catalysts

#166
20060128911
2006-06-15

Olefin polymerization catalyst and polymerization process

#167
20060094842
2006-05-04

Catalyst compound containing divalent tridentate ligand

#168
20060094591
2006-05-04

Polymerisation catalysts

#169
20060063898
2006-03-23

Process for producing polar olefin copolymer and polar olefin copolymer obtained thereby

#170
20060052554
2006-03-09

Bridged bi-aromatic catalysts, complexes, and methods of using the same

#171
20060025548
2006-02-02

Bridged bi-aromatic catalysts, complexes, and methods of using the same

#172
20060025547
2006-02-02

Styrene polymers and phenol-triazole type complexes, catalysts, and processes for polymerizing

#173
20060014634
2006-01-19

Silicon containing cyclopentadienyl ring for metallocene catalyst components

#174
20060009350
2006-01-12

Cyclometallated catalysts

#175
20060004167
2006-01-05

Films comprising isotactic propylene copolymers

#176
20050227860
2005-10-13

Polymerisation catalyst

#177
20050215738
2005-09-29

Olefin polymerization catalyst and polymerization process

#178
20050187362
2005-08-25

Imino-amide catalysts for olefin polymerization

#179
20050182211
2005-08-18

Clathrochelates as olefin polymerization catalyst components

#180
20050164872
2005-07-28

Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom

#181
20050159303
2005-07-21

Titanium substituted pyridyl amine complexes, catalysts and processes for polymerizing ethylene and stryene

#182
20050159302
2005-07-21

Catalyst support method and polymerization with supported catalysts

#183
20050154167
2005-07-14

Catalyst composition, method of polymerization and polymer therefrom

#184
20050148744
2005-07-07

Polymerization process using a supported, treated catalyst system

#185
20050137367
2005-06-23

Olefin polymerization catalyst system

#186
20050119114
2005-06-02

Azaborolyl group 4 metal complexes, catalysts and olefin polymerization process

#187
20050113524
2005-05-26

Isotactic propylene copolymers, their preparation and use

#188
20050080281
2005-04-14

Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom

#189
20050065302
2005-03-24

Olefin polymer and process for preparing the same

#190
20050065299
2005-03-24

Carborane trianion based catalyst

#191
20050054856
2005-03-10

Catalysts containing N-pyrrolyl substituted nitrogen donors

#192
20050054800
2005-03-10

Films comprising isotactic propylene copolymers

#193
20050054790
2005-03-10

Polymerization process

#194
20050043497
2005-02-24

Catalyst system and its use in a polymerization process

#195
20050038211
2005-02-17

Heterocyclic-amide catalyst compositions for the polymerization of olefins

#196
20050014915
2005-01-20

Olefin polymerization with pyridine moiety-containing single-site catalysts

#197
20050014634
2005-01-20

Olefin polymerization catalysts containing a pyrrole bisimine ligand