Patents-Review.com
ClassID:

98559 ⎘

C08F2420/01 - CPC Classification

Classification description:

Metallocene catalysts Cp or analog bridged to a non-Cp X neutral donor

Recent Application in this class:
#1
20260139083
2026-05-21

POLYMERIZATION PROCESS USING DUAL CATALYST COMPOSITIONS

 #2
20260055213
2026-02-26

MULTIMODAL POLYMERIZATION PROCESSES WITH MULTI-CATALYST SYSTEMS

 #3
20250289911
2025-09-18

MODIFICATIONS OF SULFATED BENTONITES AND USES THEREOF IN METALLOCENE CATALYST SYSTEMS FOR OLEFIN POLYMERIZATION

 #4
20250206858
2025-06-26

DUAL METALLOCENE POLYETHYLENE WITH IMPROVED PROCESSABILITY FOR LIGHTWEIGHT BLOW MOLDED PRODUCTS

 #5
20240279366
2024-08-22

MODIFICATIONS OF SULFATED BENTONITES AND USES THEREOF IN METALLOCENE CATALYST SYSTEMS FOR OLEFIN POLYMERIZATION

 #6
20240101729
2024-03-28

POLYETHYLENE FOR PREPARING FIBER AND PREPARATION METHOD OF THE SAME

 #7
20240052073
2024-02-15

Dual metallocene polyethylene with improved processability for lightweight blow molded products

 #8
20240026042
2024-01-25

POLYETHYLENE AND PREPARATION METHOD THEREOF

 #9
20230192909
2023-06-22

Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization

 #10
20230141606
2023-05-11

Alkylation of Transition Metal Coordination Catalyst Complexes

 #11
20230124846
2023-04-20

Dual metallocene polyethylene with improved processability for lightweight blow molded products

 #12
20220169948
2022-06-02

LUBRICATING OIL COMPOSITION FOR COMPRESSOR OILS AND METHOD FOR PRODUCING THE SAME

 #13
20220119562
2022-04-21

Dual metallocene polyethylene with improved processability for lightweight blow molded products

 #14
20220002455
2022-01-06

Producing polyolefin products

 #15
20210380734
2021-12-09

Metallocene catalyst compositions and polymerization process therewith

 #16
20210284770
2021-09-16

Method of producing polyethylene and polyethylene thereof

 #17
20210139617
2021-05-13

Transition metal compound, catalyst composition including the same, and method for preparing ethylene homopolymer or copolymer of ethylene and α-olefin using the same

 #18
20210122843
2021-04-29

Processes for producing high propylene content PEDM having low glass transition temperatures using tetrahydroindacenyl catalyst systems

 #19
20210122842
2021-04-29

Processes for producing high propylene content PEDM using tetrahydroindacenyl catalyst systems

 #20
20210102018
2021-04-08

Silica-coated alumina activator-supports for metallocene catalyst compositions

 #21
20210047443
2021-02-18

Polyethylene and chlorinated polyethylene thereof

 #22
20210017307
2021-01-21

Catalysts for olefin polymerization

 #23
20200354492
2020-11-12

Propylene random copolymer

 #24
20200325317
2020-10-15

Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations

 #25
20200240058
2020-07-30

Method for producing polypropylene nonwoven fabric

 #26
20200239609
2020-07-30

Homopolypropylene resin for non-woven fabric and method for preparing the same

 #27
20200231717
2020-07-23

Catalyst composition for polymerizing polyolefin, method for producing polyolefin, and polyolefin resin

 #28
20200207892
2020-07-02

Silica-coated alumina activator-supports for metallocene catalyst compositions

 #29
20200199265
2020-06-25

Ethylene homopolymers with a reverse short chain branch distribution

 #30
20200190238
2020-06-18

High-density ethylene-based polymer using hybrid supported metallocene catalyst and pipe using same

 #31
20200172713
2020-06-04

Polyolefin resin composition and stretch film using the same

 #32
20200165422
2020-05-28

Solution polymerization process

 #33
20200115478
2020-04-16

Dimethyl-silyl-bridged-1-substituted-2-indenyl metallocene complexes for olefin polymerization

 #34
20200079887
2020-03-12

Catalyst system for producing polyethylene copolymers in a high temperature solution polymerization process

 #35
20200071434
2020-03-05

Process for the preparation of an olefinic copolymer having polar groups and the products obtained therefrom

 #36
20200056025
2020-02-20

Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations

 #37
20200031962
2020-01-30

Homopolypropylene and method for preparing the same

 #38
20200010589
2020-01-09

Supported hybrid catalyst

 #39
20190367650
2019-12-05

Producing polyolefin products

 #40
20190367649
2019-12-05

Catalyst systems including two hafnocene catalyst compounds

 #41
20190309110
2019-10-10

Transition metal compound for olefin polymerization catalyst, olefin polymerization catalyst comprising same, and polyolefin polymerized using same

 #42
20190300811
2019-10-03

Block Copolymer Comprising a Polyalpha-Olefin Block and a Poly(Alkyl Methacrylate) Block

 #43
20190292282
2019-09-26

Metallocene catalyst compositions and polymerization process therewith

 #44
20190284319
2019-09-19

Multiple non-coordinating anion activators for propylene-ethylene-diene monomer polymerization reactions

 #45
20190284318
2019-09-19

Processes for producing high propylene content PEDM having low glass transition temperatures using tetrahydroindacenyl catalyst systems

 #46
20190284311
2019-09-19

Processes for producing high propylene content PEDM using tetrahydroindacenyl catalyst systems

 #47
20190270833
2019-09-05

Polyolefin catalyst and method for preparing polyolefin by using same

 #48
20190263954
2019-08-29

Preformed catalytic system comprising a rare-earth metallocene

 #49
20190241724
2019-08-08

Dilution index

 #50
20190233566
2019-08-01

PREFORMED CATALYTIC SYSTEM COMPRISING A RARE-EARTH METALLOCENE

 #51
20190225721
2019-07-25

Olefin polymer and method for preparing same

 #52
20190177452
2019-06-13

Method of producing polyethylene and polyethylene thereof

 #53
20190169333
2019-06-06

Producing polyolefin products

 #54
20190169332
2019-06-06

Silica-coated alumina activator-supports for metallocene catalyst compositions

 #55
20190144572
2019-05-16

Methods for restoring metallocene solids exposed to air

 #56
20190144571
2019-05-16

(Di)silicon bridged metallocenes that produce polyethylene with broad molecular weight distribution and high molecular weight

 #57
20190135961
2019-05-09

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

 #58
20190127503
2019-05-02

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

 #59
20190119427
2019-04-25

Propylene-diene copolymer resin having excellent melt tension

 #60
20190119420
2019-04-25

Catalyst composition for synthesizing olefin copolymer and method for preparing olefin copolymer

 #61
20190106516
2019-04-11

Metallocene supported catalyst and method for preparing polypropylene using the same

 #62
20190092887
2019-03-28

Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization

 #63
20190055329
2019-02-21

Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom

 #64
20180355083
2018-12-13

Catalytic preform system comprising a rare earth metallocene

 #65
20180305531
2018-10-25

Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations

 #66
20180298170
2018-10-18

Dilution index

 #67
20180265606
2018-09-20

Methods for restoring metallocene solids exposed to air

 #68
20180237558
2018-08-23

Hafnocene catalyst compounds and process for use thereof

 #69
20180186981
2018-07-05

Ethylene interpolymers having improved color

 #70
20180186912
2018-07-05

Producing polyolefin products

 #71
20180186911
2018-07-05

Producing polyolefin products

 #72
20180155470
2018-06-07

POLYMERIZATION OF ALPHA OLEFINS

 #73
20180105625
2018-04-19

Producing polyolefin products

 #74
20180066088
2018-03-08

Producing polyolefin products

 #75
20170291969
2017-10-12

Method for preparing polyolefin polymer for fiber production

 #76
20170267822
2017-09-21

Rotomolded articles

 #77
20170233510
2017-08-17

Silica-coated alumina activator-supports for metallocene catalyst compositions

 #78
20170204129
2017-07-20

Transition metal compound, transition metal catalyst composition for polymerizing olefin, containing same, and method for preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin by using same

 #79
20170183433
2017-06-29

Producing polyolefin products

 #80
20170145123
2017-05-25

Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom

 #81
20170114168
2017-04-27

Catalysts for the formation of multimodal polymers

 #82
20170096514
2017-04-06

Olefin-based resin, method for producing same and propylene-based resin composition

 #83
20170022309
2017-01-26

Producing polyolefin products

 #84
20170008983
2017-01-12

Producing polyolefin products

 #85
20160347888
2016-12-01

Producing polyolefin products with improved stiffness, toughness, and processability

 #86
20160347886
2016-12-01

Producing polyolefin products with improved stiffness, toughness, and processability

 #87
20160347874
2016-12-01

Method of producing polyethylene and polyethylene thereof

 #88
20160108221
2016-04-21

Solution polymerization process

 #89
20140073752
2014-03-13

Living coordinative chain transfer polymerization with dynamic counterion exchange

 #90
20120289667
2012-11-15

Ultra-high molecular weight polyethylene

 #91
20120252991
2012-10-04

Method for preparing supported metallocene catalyst and supported metallocene catalyst prepared using the same

 #92
20120108772
2012-05-03

Method for producing an elastomer using a transition metal catalyst

 #93
20120022226
2012-01-26

Mono-hydroindacenyl complexes

 #94
20110313111
2011-12-22

Ethylene copolymers, catalyst system and process for preparing the same

 #95
20110213107
2011-09-01

Activation of monocyclopentadienyl group 6 complexes

 #96
20110201813
2011-08-18

Catalyst Components Based on Ferricinium Complexes Used for Olefin Polymerization

 #97
20110092357
2011-04-21

Silica-coated alumina activator-supports for metallocene catalyst compositions

 #98
20110034715
2011-02-10

Cyclopentadienylphosphazene complexes (CpPN Complexes) of metals of the third and fourth group and of the lanthanoids

 #99
20100076167
2010-03-25

Silica-coated alumina activator-supports for metallocene catalyst compositions

 #100
20100063230
2010-03-11

Catalyst components based on ferricinium complexes used for olefin polymerisation

 #101
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

 #102
20090176948
2009-07-09

Transition metal complexes, and catalysts compositions for preparing ethylene homopolymers or copolymers

 #103
20090018292
2009-01-15

Monocyclopentadienyl complexes

 #104
20080269445
2008-10-30

Monocyclopentadienyl Complexes

 #105
20080097053
2008-04-24

Cyclopentadienyl complexes of group 6 substituted by silyl halides

 #106
20080064838
2008-03-13

Monocyclopentadienyl complexes

 #107
20070213483
2007-09-13

Monocyclopentadienyl complexes

 #108
20070155918
2007-07-05

Monocyclopentadienyl complex

 #109
20060166815
2006-07-27

Monocyclopentadienyl complexes

 #110
20060128910
2006-06-15

Tandem tetramerisation-polymerisation of olefins

 #111
20060116491
2006-06-01

Monocyclopentadienyl complexes

 #112
20060094590
2006-05-04

Organochromium/metallocene combination catalysts for producing bimodal resins

 #113
20060089253
2006-04-27

Monocyclopentadienyl complexes

 #114
20050282979
2005-12-22

Copolymers of ethylene with α-olefins

 #115
20050187396
2005-08-25

“Constrained geometry” metallocenes, method for the production thereof and use of the same for the polymerisation of olefins

 #116
20050020788
2005-01-27

Olefin trimerization using a catalyst comprising a source of chromium, molybdenum or tungsten and a ligand containing at least one phosphorous, arsenic or antimony atom bound to at least one (hetero) hydrocarbyl group