ClassID:

97737

C08F4/642 - 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 with an organo-aluminium compound

Recent Application in this class:
#1
20240400733
2024-12-05

ETHYLENE/1-HEXENE COPOLYMERS

#2
20230416423
2023-12-28

Processes for preparing metallocene-based catalyst systems with an alcohol compound

#3
20230287159
2023-09-14

SPRAY-DRIED CATALYSTS CONTAINING A GERMANIUM-BRIDGED BIS-BIPHENYL-PHENOXY ORGANOMETALLIC COMPOUND FOR MAKING ETHYLENE-BASED COPOLYMERS

#4
20220144773
2022-05-12

Ligand compound, transition metal compound, and catalyst composition including the same

#5
20210388132
2021-12-16

Methods of stabilizing hydrogenation catalysts

#6
20210332164
2021-10-28

Solubility improvement of non-metallocene transition metal complexes in aliphatic hydrocarbon solvents

#7
20210284768
2021-09-16

Process control for long chain branching control in polyethylene production

#8
20210189025
2021-06-24

Transition metal compound and method for preparing polypropylene using the same

#9
20210147592
2021-05-20

Binuclear olefin polymerization activators

#10
20210061930
2021-03-04

Method for preparing polyolefin using supported hybrid metallocene catalyst

#11
20210054119
2021-02-25

Olefin polymerization activators

#12
20200392260
2020-12-17

Transition metal compound for olefin polymerization catalyst, and olefin polymerization catalyst including same

#13
20200291140
2020-09-17

Flexible manufacturing system for selectively producing different linear alpha olefins

#14
20200207792
2020-07-02

Ligand compound, transition metal compound, and catalyst composition including the same

#15
20200071435
2020-03-05

Process for producing propylene copolymers with low VOC content

#16
20190322773
2019-10-24

TRANSITION METAL COMPOUND FOR OLEFIN POLYMERIZATION CATALYST, OLEFIN POLYMERIZATION CATALYST COMPRISING SAME, AND POLYOLEFIN POLYMERIZED USING SAME

#17
20190270833
2019-09-05

Polyolefin catalyst and method for preparing polyolefin by using same

#18
20190270690
2019-09-05

Magnesium alkoxide particle and application thereof

#19
20190263942
2019-08-29

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

#20
20190233553
2019-08-01

Ligand compound, transition metal compound, and catalyst composition including the same

#21
20190169325
2019-06-06

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

#22
20190144573
2019-05-16

Olefin polymerization processes

#23
20190135963
2019-05-09

Olefin-based copolymer and process for preparing same

#24
20190135961
2019-05-09

Hybrid catalyst composition, preparation method therefor, and polyolefin prepared using same

#25
20190127503
2019-05-02

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

#26
20190127498
2019-05-02

Multisite heterogeneous catalyst, process for preparing the same and process for obtaining polyolefins using said catalyst

#27
20190085100
2019-03-21

Hybrid supported metallocene catalyst and polyolefin preparation method using same

#28
20180257286
2018-09-13

Stretch Films and Methods for Making the Same

#29
20180251581
2018-09-06

Compositions and methods for olefin polymerization comprising metal organic frameworks

#30
20180237555
2018-08-23

Method of regulating hydrogen to a polymerization reactor

#31
20180230247
2018-08-16

Catalyst components for the polymerization of olefins

#32
20180201714
2018-07-19

Method for industrial production of trans-butadiene-isoprene copolymer rubber and apparatus therefor

#33
20180086859
2018-03-29

Supported catalyst systems and processes for use thereof

#34
20180051110
2018-02-22

Catalyst composition for making ultra high molecular weight poly (alpha-olefin) drag reducing agents

#35
20150291710
2015-10-15

Vinyl terminated macromonomers

#36
20150166699
2015-06-18

Methods of preparing a catalyst system

#37
20140364576
2014-12-11

Supported nonmetallocene catalysts, preparation and use thereof

#38
20140235804
2014-08-21

Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates

#39
20140128557
2014-05-08

Supported Salan catalysts

#40
20140057777
2014-02-27

Catalyst systems containing a bridged metallocene

#41
20130253153
2013-09-26

Processes for the polymerization of olefins with extracted metal carboxylate salts

#42
20130196847
2013-08-01

CATALYST CARRIER FOR OLEFIN POLYMERIZATION, SOLID CATALYST COMPONENT AND CATALYST

#43
20120283399
2012-11-08

Process for producing syndiotactic α-olefin polymer

#44
20120238721
2012-09-20

INTEGRATED PROCESS FOR THE PRODUCTION OF ETHYLENE-BUTYLENE COPOLYMER, AN ETHYLENE-BUTYLENE COPOLYMER AND THE USE OF ETHYLENE AND 1-BUTYLENE, AS COMONOMER, SOURCED FROM RENEWABLE NATURAL RAW MATERIALS

#45
20120232229
2012-09-13

Catalyst systems containing a bridged metallocene

#46
20110294957
2011-12-01

Method for transitioning between incompatible olefin polymerization catalyst systems

#47
20110213104
2011-09-01

Integrated process for the production of ethylene-butylene copolymer, an ethylene-butylene copolymer and the use of ethylene and 1-butylene, as comonomer, sourced from renewable natural raw materials

#48
20110086276
2011-04-14

Polymeric material and its manufacture and use

#49
20110054122
2011-03-03

CATALYST AND PROCESS FOR POLYMERIZING AN OLEFIN AND POLYOLEFIN PREPARED THEREBY

#50
20100331505
2010-12-30

Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates

#51
20100256315
2010-10-07

Non-metallocene catalysts having tetrazol group for olefin polymerization and polymerizing method of olefin using the same

#52
20100227986
2010-09-09

Methods of catalyst activation

#53
20100125124
2010-05-20

Methods of catalyst activation

#54
20090186279
2009-07-23

Polymeric material and its manufacture and use

#55
20080306217
2008-12-11

Low molecular weight ethylene interpolymers, methods of making, and uses thereof

#56
20080275201
2008-11-06

Process for making high molecular weight Isobutylene polymers

#57
20080269440
2008-10-30

Polymerization of Olefins

#58
20080176738
2008-07-24

Cocatalyst for the production of linear alpha-olefins

#59
20070142221
2007-06-21

Olefin polymerization catalyst and olefin polymerization process using the same

#60
20070100095
2007-05-03

Multinuclear half metallocene catalyst and method for preparing syndiotatic polystyrene using the same

#61
20070004876
2007-01-04

Cocatalysts for olefin polymerizations

#62
20070004875
2007-01-04

Cocatalysts useful for improving polyethylene film properties

#63
20070003720
2007-01-04

Cocatalysts useful for preparing polyethylene pipe

#64
20060199926
2006-09-07

Oxygen-containing organoaluminium complexes as cocatalysts

#65
20050239966
2005-10-27

Vinyl functional olefin polymers

#66
20050154139
2005-07-14

Copolymer of propylene with a conjugated diene and a process of preparing the same

#67
20050020866
2005-01-27

Process for producing low polymer of α-olefin

#68
20050003952
2005-01-06

Catalyst systems of the ziegler-natta type and their preparation

#69
17848478
2023-09-12

Processes for preparing metallocene-based catalyst systems with an alcohol compound

#70
15690364
2018-06-26

Methods for controlling molecular weight and molecular weight distribution

#71
15481502
2018-06-19

Catalyst systems containing low valent titanium compounds and polymers produced therefrom