Patents-Review.com
ClassID:

97610 ⎘

C08F4/022 - CPC Classification

Classification description:

Polymerisation catalysts; Carriers therefor Magnesium halide as support anhydrous or hydrated or complexed by means of a Lewis base for Ziegler-type catalysts

Recent Application in this class:
#1
20260103548
2026-04-16

PROCESS FOR PRODUCING POLYPROPYLENE-ETHYLENE RANDOM COPOLYMER RESIN WITH SUSTAINABLE REACTOR OPERABILITY

 #2
20250346687
2025-11-13

METHOD FOR PREPARING ZIEGLER-NATTA CATALYST FOR POLYMERIZATION OF LINEAR LOW-DENSITY POLYETHYLENE

 #3
20250282919
2025-09-11

PROCESS FOR PRODUCING A MULTIMODAL POLYOLEFIN COMPOSITION IN AN EXTRUDER DEVICE

 #4
20250179226
2025-06-05

METHOD FOR PREPARING ZIEGLER-NATTA CATALYST FOR POLYMERIZATION OF LOW-DENSITY COPOLYMER

 #5
20250075012
2025-03-06

Sustainable Ziegler-Natta catalysts

 #6
20250026873
2025-01-23

PROPYLENE POLYMERS FOR THREE-DIMENSIONAL PRINTING

 #7
20250026868
2025-01-23

OLEFIN POLYMERIZATION ZIEGLER-NATTA CATALYST COMPONENTS ANDPROCESS FOR THE PRODUCTION OF OLEFIN POLYMERS THEREWITH

 #8
20240400730
2024-12-05

POLYPROPYLENE AND METHOD FOR PRODUCING THE SAME, AND MELTBLOWN FIBER FABRICS

 #9
20240279447
2024-08-22

MULTIMODAL POLYETHYLENE

 #10
20240067765
2024-02-29

PROCESS FOR POLYMERIZATION OF POLYPROPYLENE USING ZIEGLER-NATTA PROCATALYST WITH NOVEL 1,3-DIETHER INTERNAL DONORS

 #11
20230406965
2023-12-21

CARRIER FOR OLEFIN POLYMERIZATION CATALYST AND APPLICATION THEREOF, CATALYST FOR OLEFIN POLYMERIZATION AND APPLICATION THEREOF, AND OLEFIN POLYMERIZATION METHOD

 #12
20230391902
2023-12-07

MAGNESIUM-BASED SOLID AND CATALYST COMPONENT HAVING MULTIMODAL PORE DISTRIBUTION, AND PREPARATION METHODS THEREFOR

 #13
20230279159
2023-09-07

Catalyst and preparation thereof

 #14
20230183394
2023-06-15

CATALYST FOR PROPYLENE POLYMERIZATION, CATALYST SYSTEM FOR PROPYLENE POLYMERIZATION, AND PREPARATION AND USE THEREOF

 #15
20230092187
2023-03-23

OLEFIN POLYMERIZATION CATALYST COMPONENT HAVING CARBONATE COMPOUNDS

 #16
20230091516
2023-03-23

Olefin polymerization Ziegler-Natta catalyst components and process for the production of olefin polymers therewith

 #17
20220306771
2022-09-29

PROCESS FOR PREPARING POLYPROPYLENE COMPOSITION

 #18
20220204661
2022-06-30

Polypropylene and method for producing the same, and meltblown fiber fabrics

 #19
20220153886
2022-05-19

Ethylene/alpha-olefin copolymers for better optical and mechanical properties and processability of film made therefrom

 #20
20210395401
2021-12-23

Precursors and catalyst components for the polymerization of olefins

 #21
20210317290
2021-10-14

Polyethylene composition for high pressure resistant pipes with improved homogeneity

 #22
20210317236
2021-10-14

Multi-stage process for producing a C2 to C8 olefin polymer composition

 #23
20210284768
2021-09-16

Process control for long chain branching control in polyethylene production

 #24
20210269564
2021-09-02

Components and catalysts for the polymerization of olefins

 #25
20210269560
2021-09-02

Process for polymerizing ethylene in a multi-stage polymerization process

 #26
20210205786
2021-07-08

ZIEGLER-NATTA CATALYST SYSTEM HAVING A TREATED MAGNESIUM CHLORIDE COMPONENT

 #27
20210205785
2021-07-08

Ziegler-Natta catalyst system having a thermally treated magnesium chloride component

 #28
20210189026
2021-06-24

Preparation Method Of Catalyst For Ethylene Polymerization

 #29
20210187491
2021-06-24

Preparation Method Of Catalyst For Ethylene Polymerization

 #30
20210087307
2021-03-25

Catalyst components for the polymerization of olefins

 #31
20210079128
2021-03-18

Catalyst and preparation thereof

 #32
20210070970
2021-03-11

Polypropylene composition for tapes

 #33
20210032450
2021-02-04

Ethylene copolymers and films with excellent sealing properties

 #34
20210002390
2021-01-07

Ziegler-Natta catalyst and preparation thereof

 #35
20200398258
2020-12-24

Ziegler-Natta catalysts prepared from solid alkoxymagnesium halide supports

 #36
20200354552
2020-11-12

Polyethylene composition having environmental stress cracking resistance

 #37
20200354485
2020-11-12

Olefin polymerization Ziegler-Natta catalyst components and process for the production of olefin polymers therewith

 #38
20200316575
2020-10-08

Olefin Polymerization Catalyst Component Having Carbonate Compounds

 #39
20200199262
2020-06-25

Non-phthalate catalyst system and its use in the polymerization of olefins

 #40
20200190229
2020-06-18

ZIEGLER-NATTA CATALYST AND PREPARATION THEREOF

 #41
20200140584
2020-05-07

High stiffness polypropylene impact copolymer

 #42
20200031957
2020-01-30

Process for gas-phase polymerization of olefins

 #43
20190375862
2019-12-12

Off-line filter free Ziegler-Natta catalyst preparation

 #44
20190367642
2019-12-05

Process for preparing polypropylene composition

 #45
20190352491
2019-11-21

Heterophasic propylene copolymer

 #46
20190352439
2019-11-21

Ethylene/Alpha-Olefin Copolymers for Better Optical and Mechanical Properties and Processability of Film Made Therefrom

 #47
20190338108
2019-11-07

Polethylene composition having high swell ratio

 #48
20190284378
2019-09-19

Polyethylene composition for blow molding having high swell ratio and impact resistance

 #49
20190225715
2019-07-25

Process to prepare a solid support for a procatalyst suitable for polymerization of olefins

 #50
20190185590
2019-06-20

Solution polymerization process

 #51
20190161564
2019-05-30

Polyethylene, method for preparing the same and separator using the same

 #52
20190119419
2019-04-25

Process for producing LLDPE resins

 #53
20190077129
2019-03-14

POLYOLEFIN BASED ADHESIVE COMPOSITIONS HAVING GRAFTED POLYOLEFIN COPOLYMERS AND METHODS OF FORMATION

 #54
20190046965
2019-02-14

Boron-based electron donors for Ziegler-Natta catalyst systems

 #55
20190016832
2019-01-17

Non-phthalate catalyst system and its use in the polymerization of olefins

 #56
20190010264
2019-01-10

Non-phthalate catalyst system and its use in the polymerization of olefins

 #57
20190010258
2019-01-10

Non-phthalate catalyst system and its use in the polymerization of olefins

 #58
20180319916
2018-11-08

Ethylene alpha-olefin copolymers and methods

 #59
20180273740
2018-09-27

Long-chain branched polypropylene for foam application

 #60
20180194870
2018-07-12

Catalyst components for the polymerization of olefins

 #61
20180155476
2018-06-07

Spheroidal catalyst for olefin polymerization

 #62
20180051102
2018-02-22

Process for transitioning between incompatible catalysts

 #63
20180002458
2018-01-04

Recovery of hydrocarbons from a hydrocarbon recycle

 #64
20170335152
2017-11-23

IN-LINE POLYOLEFIN BASED ADHESIVE COMPOSITIONS HAVING GRAFT POLYOLEFIN/ELASTOMER COPOLYMERS

 #65
20170275396
2017-09-28

Production method of olefin (co)polymer containing constituent unit derived from 1-butene

 #66
20160311938
2016-10-27

Catalyst support and related processes

 #67
20160168289
2016-06-16

Spheroidal catalyst for olefin polymerization

 #68
20160009830
2016-01-14

SUPPORTED POLYOLEFIN CATALYST AND PREPARATION AND APPLICATION THEREOF

 #69
20150329658
2015-11-19

Passivated supports for use with olefin polymerization catalysts

 #70
20140364576
2014-12-11

Supported nonmetallocene catalysts, preparation and use thereof

 #71
20130172500
2013-07-04

Passivated supports for use with olefin polymerization catalysts

 #72
20130046040
2013-02-21

POLYETHYLENE POWDERS AND POROUS ARTICLES PRODUCED THEREFROM

 #73
20120329963
2012-12-27

Catalyst Components for the Polymerization of Olefins

 #74
20120283402
2012-11-08

Magnesium dichloride-water adducts and catalyst components obtained therefrom

 #75
20120264590
2012-10-18

Carrier for olefin polymerization catalyst, preparation method and application thereof

 #76
20120252992
2012-10-04

Catalyst component for olefin polymerization and catalyst comprising the same

 #77
20120165483
2012-06-28

Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom

 #78
20120035047
2012-02-09

Catalyst and process for obtaining catalyst of high activity

 #79
20110183097
2011-07-28

POLYETHYLENE MATERIALS PREPARED USING MIXED ZIEGLER-NATTA CATALYST SYSTEMS

 #80
20100273962
2010-10-28

Polyethylene materials prepared using mixed ziegler-natta catalyst systems

 #81
20100172821
2010-07-08

METHOD OF PREPARATION OF SPHERICAL SUPPORT FOR OLEFIN POLYMERIZATION CATALYST

 #82
20100172820
2010-07-08

Method of preparation of spherical support for olefin polymerization catalyst

 #83
20090233793
2009-09-17

METHOD OF PREPARATION OF SPHERICAL SUPPORT FOR OLEFIN POLYMERIZATION CATALYST

 #84
20090198023
2009-08-06

Polyethylene materials prepared using mixed ziegler-natta catalysts systems

 #85
20090099324
2009-04-16

Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom

 #86
20080234452
2008-09-25

Titanocene-based catalyst system

 #87
20080064589
2008-03-13

Method for preparation of spherical support for olefin polymerization catalyst

 #88
20080015401
2008-01-17

Magnesium-containing carrier component and application to olefin polymerization

 #89
20070276105
2007-11-29

Catalyst Support

 #90
20070260024
2007-11-08

Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom

 #91
20070207918
2007-09-06

Polymerisation and oligomerisation catalysts

 #92
20070179049
2007-08-02

Titanocenen-based catalyst system

 #93
20070173400
2007-07-26

Catalyst system comprising magnesium halide

 #94
20060155083
2006-07-13

Magnesium-containing carrier components and application thereof to olefin polymerization

 #95
20060154806
2006-07-13

Composite carrier of catalysts for propylene polymerization, a catalyst component and a catalyst comprising the same

 #96
20060063664
2006-03-23

Magnesium chloride support

 #97
20060046928
2006-03-02

Ziegler-natta catalyst and method for making and using same

 #98
20060046927
2006-03-02

Method of making a ziegler-natta catalyst

 #99
20060003888
2006-01-05

Spheric catalyst component for olefin polymerization and catalyst comprising the same

 #100
20050209097
2005-09-22

Magnesium halide/alcohol adduct, its preparation and use

 #101
20050009957
2005-01-13

Process for the production of propylene copolymers