Patents-Review.com
ClassID:

98558 ⎘

C08F2420/00 - CPC Classification

Classification description:

Metallocene catalysts

Sub-classes:
Recent Application in this class:
#1
20260035401
2026-02-05

Preparation of catalyst system

 #2
20250382429
2025-12-18

PREPARATION OF ION EXCHANGE POLYMERS BASED ON POLYOLEFINS AND POLYCYCLOOLEFINS USING ACID CATALYST

 #3
20250326872
2025-10-23

DUAL METALLOCENE BIMODAL HDPE RESINS WITH IMPROVED STRESS CRACK RESISTANCE

 #4
20250313587
2025-10-09

CATALYST SYSTEM

 #5
20250257155
2025-08-14

HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AND USES THEREOF IN METALLOCENE-BASED CATALYST SYSTEMS FOR OLEFIN POLYMERIZATION

 #6
20250230292
2025-07-17

POLYOLEFIN FILM AND USE THEREOF

 #7
20250043037
2025-02-06

High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization

 #8
20240294680
2024-09-05

Polyethylene and Its Chlorinated Polyethylene

 #9
20240218104
2024-07-04

FUNCTIONAL COPOLYMER OF A 1,3-DIENE AND ETHYLENE OR A 1,3-DIENE, ETHYLENE AND AN ALPHA-MONOOLEFIN

 #10
20240150501
2024-05-09

High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization

 #11
20230416423
2023-12-28

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

 #12
20230391897
2023-12-07

High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization

 #13
20230272197
2023-08-31

Bimodal polyethylene copolymers

 #14
20230227592
2023-07-20

DUAL METALLOCENE BIMODAL HDPE RESINS WITH IMPROVED STRESS CRACK RESISTANCE

 #15
20230060604
2023-03-02

STIFF BLOWN FILM

 #16
20230056902
2023-02-23

Styrene resin, styrene resin composition, molded article thereof, and styrene resin production method

 #17
20220389136
2022-12-08

TERPOLYMER OF ETHYLENE AND 1,3-DIENES

 #18
20220315677
2022-10-06

Metallocene Catalyzed Propylene Oligomerisation Without Separation of Alkane and Olefin

 #19
20220306779
2022-09-29

Process for preparation of semi-crystalline functionalized olefin copolymer

 #20
20220289879
2022-09-15

Polymers of 4-Substituted Hexadiene and Processes for Production Thereof

 #21
20220267486
2022-08-25

Method for producing metallocene-supported catalyst and metallocene-supported catalyst

 #22
20220227800
2022-07-21

Preparation of catalyst system

 #23
20220220238
2022-07-14

Method for manufacturing copolymer

 #24
20220220231
2022-07-14

CATALYST SYSTEM

 #25
20220220143
2022-07-14

IMPROVED PREPARATION OF CATALYST SYSTEM

 #26
20220220060
2022-07-14

CATALYST COMPOSITION FOR POLYOLEFIN POLYMERS

 #27
20220185923
2022-06-16

CATALYST SYSTEM

 #28
20220169762
2022-06-02

BIMODAL POLY(ETHYLENE-CO-1-ALKENE) COPOLYMER

 #29
20220162355
2022-05-26

Polyethylene powder and molded article obtained by molding the same

 #30
20220144983
2022-05-12

HYBRID SUPPORTED METALLOCENE CATALYST AND METHOD OF PREPARING POLYPROPYLENE USING THE SAME

 #31
20220144978
2022-05-12

Method for producing catalyst component for olefin polymerization, method for producing catalyst for olefin polymerization, and method for producing olefin polymer

 #32
20220135715
2022-05-05

Polypropylene Resin, Polypropylene Fiber And Method For Preparing The Same

 #33
20220098393
2022-03-31

Crosslinked polyethylene pipe having excellent physical properties

 #34
20220033544
2022-02-03

FLEXIBLE PHOTOCURABLE CYANOACRYLATE COMPOSITIONS

 #35
20220025083
2022-01-27

Polypropylene resin having excellent melt characteristics, and preparation method therefor

 #36
20220017665
2022-01-20

Polyethylene and method for preparing the same

 #37
20220017663
2022-01-20

Polyethylene and its chlorinated polyethylene

 #38
20220017657
2022-01-20

Hybrid supported catalyst and method of preparing polyolefin using the same

 #39
20220002455
2022-01-06

Producing polyolefin products

 #40
20210395512
2021-12-23

Heterophasic polyolefin composition

 #41
20210395474
2021-12-23

Propylene butene copolymer

 #42
20210395427
2021-12-23

Propylene butene copolymer

 #43
20210380771
2021-12-09

PREPARATION OF ION EXCHANGE MEMBRANES FROM POLYOLEFINS AND POLYCYCLIC OLEFINS

 #44
20210371554
2021-12-02

STYRENE RESIN, STYRENE RESIN COMPOSITION, MOLDED ARTICLE THEREOF, AND STYRENE RESIN PRODUCTION METHOD

 #45
20210371553
2021-12-02

Process for the preparation of polyethylenes

 #46
20210363278
2021-11-25

Process for preparation of semi-crystalline functionalized olefin copolymer

 #47
20210347920
2021-11-11

Catalyst for olefin polymerization

 #48
20210309775
2021-10-07

Process for preparation of semi-crystalline polyolefinic ionomers

 #49
20210284770
2021-09-16

Method of producing polyethylene and polyethylene thereof

 #50
20210163725
2021-06-03

Method for preparing high-melt-strength polypropylene resin

 #51
20210163642
2021-06-03

Ethylene polymer mixture, method of preparing the same, and molded article using the same

 #52
20210147661
2021-05-20

Bimodal polyethylene copolymers

 #53
20210147645
2021-05-20

Polyolefin film and use thereof

 #54
20210122859
2021-04-29

Dimer selective metallocene catalysts, non-aromatic hydrocarbon soluble activators, and processes to produce poly alpha-olefin oligmers therewith

 #55
20210095062
2021-04-01

Olefin-based copolymer and method for preparing the same

 #56
20210087313
2021-03-25

Process for preparation of functionalized ethylene and propylene copolymer

 #57
20210087312
2021-03-25

Process for preparation of ethylene and propylene ionomer

 #58
20210087310
2021-03-25

Process for preparation of amorphous polyolefinic ionomers

 #59
20210087304
2021-03-25

Process for preparation of amorphous functionalized olefin copolymer

 #60
20210054118
2021-02-25

Copolymer of ethylene and a 1,3-diene

 #61
20210024660
2021-01-28

Methods for scale-up from a pilot plant to a larger production facility

 #62
20210002463
2021-01-07

ETHYLENE-BASED POLYMER HAVING EXCELLENT LONG-TERM PRESSURE RESISTANCE CHARACTERISTICS, AND PIPE USING SAME

 #63
20200385495
2020-12-10

Method for producing multimodal polyolefin using multistage continuous polymerization process

 #64
20200362072
2020-11-19

Door assembly

 #65
20200339715
2020-10-29

PE-RT pipes and processes for making the same

 #66
20200325257
2020-10-15

Phase-stabilized ethylene alpha olefin copolymerization process

 #67
20200291149
2020-09-17

Process for producing polyethylene polymers

 #68
20200277427
2020-09-03

Ethylene copolymer blends for cross-linking applications

 #69
20200270375
2020-08-27

Deactivation methods for active components from gas phase polyolefin polymerization processes

 #70
20200255607
2020-08-13

Multi-block copolymer composition obtained by modification treatment, and film

 #71
20200087478
2020-03-19

LOW EMISSION POLYPROPYLENE FOAM SHEETS

 #72
20200023331
2020-01-23

Methods for determining transition metal compound concentrations in multicomponent liquid systems

 #73
20190367650
2019-12-05

Producing polyolefin products

 #74
20190322780
2019-10-24

METHOD TO PREPARE ETHYLENE COPOLYMERS

 #75
20190299183
2019-10-03

Methods for determining transition metal compound concentrations in multicomponent liquid systems

 #76
20190263947
2019-08-29

Process for the preparation of polymerized polyethylene wax

 #77
20190177452
2019-06-13

Method of producing polyethylene and polyethylene thereof

 #78
20190169333
2019-06-06

Producing polyolefin products

 #79
20190143287
2019-05-16

System and method for catalyst preparation

 #80
20190135962
2019-05-09

Non-stretched polypropylene-based film

 #81
20180298125
2018-10-18

Use of organosilane, and polyolefin resin and preparation method thereof

 #82
20180186912
2018-07-05

Producing polyolefin products

 #83
20180186911
2018-07-05

Producing polyolefin products

 #84
20180105625
2018-04-19

Producing polyolefin products

 #85
20180066088
2018-03-08

Producing polyolefin products

 #86
20170183433
2017-06-29

Producing polyolefin products

 #87
20170022309
2017-01-26

Producing polyolefin products

 #88
20170008983
2017-01-12

Producing polyolefin products

 #89
20160362510
2016-12-15

METHOD TO PREPARE ETHYLENE COPOLYMERS

 #90
20160347889
2016-12-01

Producing polyolefin products

 #91
20160347888
2016-12-01

Producing polyolefin products with improved stiffness, toughness, and processability

 #92
20160347886
2016-12-01

Producing polyolefin products with improved stiffness, toughness, and processability

 #93
20160347874
2016-12-01

Method of producing polyethylene and polyethylene thereof

 #94
20160333125
2016-11-17

Non-stretched polypropylene-based film

 #95
20160325252
2016-11-10

System and Method for Catalyst Preparation

 #96
20160280819
2016-09-29

CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING OLEFIN POLYMER, METHOD FOR PRODUCING PROPYLENE-BASED COPOLYMER, PROPYLENE POLYMER, PROPYLENE-BASED POLYMER COMPOSITION, AND USE OF THOSE

 #97
20140114039
2014-04-24

System and method for catalyst preparation

 #98
20120238712
2012-09-20

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

 #99
20100331501
2010-12-30

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

 #100
20080220193
2008-09-11

Catalyst for olefin polymerization, method for producing olefin polymer, method for producing propylene-based copolymer, propylene polymer, propylene-based polymer composition, and use of those

 #101
17848478
2023-09-12

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