ClassID:

97735

C08F4/64 - 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

Sub-classes:
Recent Application in this class:
#1
20260146055
2026-05-28

Ligand Compound, Transition Metal Compound, and Catalyst Composition Including the Same

#2
20250353939
2025-11-20

Bis(heterocyclic-olate) Lewis Base Catalysts and Methods Thereof

#3
20250313656
2025-10-09

METHOD FOR PRODUCING POLYOLEFIN SHEET AND ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE SHEET

#4
20250257155
2025-08-14

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

#5
20240360266
2024-10-31

Multi-Block Copolymer and Method for Preparing the Same

#6
20240254263
2024-08-01

Polyethylene Manufacturing Process

#7
20240247085
2024-07-25

Processes for preparing metallocene-based catalyst systems for the control of long chain branch content

#8
20240043577
2024-02-08

Processes for preparing metallocene-based catalyst systems for the control of long chain branch content

#9
20230167205
2023-06-01

CYCLOPENTADIENYL/ADAMANTYL PHOSPHINIMINE TITANIUM COMPLEXES

#10
20230093294
2023-03-23

Ligand Compound, Transition Metal Compound, and Catalyst Composition Including the Same

#11
20230078920
2023-03-16

Processes for preparing metallocene-based catalyst systems for the control of long chain branch content

#12
20220396647
2022-12-15

TITANIUM BIPHENYLPHENOL POLYMERIZATION CATALYSTS

#13
20220340699
2022-10-27

High productivity polymerization with aryloxy ether ligand catalyst

#14
20220275015
2022-09-01

Metallocenes and Methods Thereof

#15
20220258457
2022-08-18

Multilayer polypropylene film

#16
20220153886
2022-05-19

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

#17
20220135599
2022-05-05

Metal-ligand complex, catalyst composition for ethylene-based polymerization including the same, and method for preparing ethylene-based polymer using the same

#18
20220073656
2022-03-10

Multi- or dual-headed compositions useful for chain shuttling and process to prepare the same

#19
20210340164
2021-11-04

Transition metal compound, catalyst composition including the same and method for preparing polymer using same

#20
20210317236
2021-10-14

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

#21
20210206895
2021-07-08

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

#22
20210122861
2021-04-29

Ethylene α-olefin non-conjugated polyene copolymer, use thereof, and manufacturing method thereof

#23
20210122860
2021-04-29

Ethylene alpha-olefin non-conjugated polyene copolymer, use thereof, and manufacturing method thereof

#24
20210032382
2021-02-04

Olefin polymerization activators

#25
20210032274
2021-02-04

Transition metal compound and method for preparing the same

#26
20200325319
2020-10-15

Propylene copolymer composition

#27
20200115478
2020-04-16

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

#28
20200071345
2020-03-05

Bridged phenolate transition metal complexes, production, and uses thereof

#29
20200047173
2020-02-13

Method of preparing a molecular catalyst

#30
20200024380
2020-01-23

Capped multi- or dual-headed compositions useful for chain shuttling and process to prepare the same

#31
20190352439
2019-11-21

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

#32
20190233553
2019-08-01

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

#33
20190233551
2019-08-01

Dual catalyst system for producing LLDPE copolymers with improved processability

#34
20190161590
2019-05-30

Polyolefin-based Film

#35
20190106513
2019-04-11

Transition metal compound and catalyst composition including the same

#36
20190100606
2019-04-04

Dual catalyst system for producing LLDPE copolymers with improved processability

#37
20180208693
2018-07-26

Ethylene-1-hexene-1-butene terpolymer and a film including the same

#38
20180201697
2018-07-19

Catalyst composition including novel transition metal compound

#39
20180134821
2018-05-17

Supported catalyst compositions having improved flow properties and preparation thereof

#40
20180002461
2018-01-04

Group 4 transition metal compound and use thereof

#41
20170369605
2017-12-28

Group 4 transition metal compound and use thereof

#42
20170349674
2017-12-07

Transition metal compound and catalyst composition including the same

#43
20170320790
2017-11-09

Zirconium-based metal-organic frameworks as catalyst for transfer hydrogenation

#44
20170096510
2017-04-06

Supported bis phenolate transition metals complexes, production and use thereof

#45
20170096509
2017-04-06

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

#46
20170096508
2017-04-06

Supported Salan catalysts

#47
20170088641
2017-03-30

Polymerization process using pyridyldiamido compounds supported on organoaluminum treated layered silicate supports

#48
20170066851
2017-03-09

Catalyst components for the polymerization of olefins

#49
20170029538
2017-02-02

Method for preparing polyolefin and polyolefin prepared thereby

#50
20170022305
2017-01-26

High performance Ziegler-Natta catalyst systems, process for producing such supported catalysts and use thereof

#51
20160280822
2016-09-29

Ethylene/1-hexene or ethylene/1-butene copolymer having excellent processibility and environmetal stress crack resistance

#52
20160237187
2016-08-18

Hybrid supported metallocene catalyst

#53
20150087794
2015-03-26

Polyolefin polymerization process, semi-crystalline ethylene-based polymer made therefrom, and articles made from the polymer

#54
20150057415
2015-02-26

Thermoplastic elastomer composition and process for manufacturing the same

#55
20140378634
2014-12-25

Thio-salalen catalyst

#56
20140309387
2014-10-16

Transition metal catalyst composition including a transition metal compound and a method of preparing a polyolefin using the catalyst composition

#57
20140148565
2014-05-29

High performance Ziegler-Natta catalyst systems, process for producing such supported catalysts and use thereof

#58
20140128249
2014-05-08

Precursor for polyolefin catalyst

#59
20130260287
2013-10-03

Partly fluorinated polyolefins by Ziegler-Natta polymerization

#60
20100331492
2010-12-30

Process of selectively polymerizing ethylene and catalyst therefor

#61
20080306217
2008-12-11

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

#62
20080269442
2008-10-30

CATIONIC PERAMIDO TITANIUM POLYMERIZATION CATALYSTS

#63
20080207853
2008-08-28

Precatalysts useful in polyolefin polymerization reactions

#64
20070111883
2007-05-17

Catalysts for olefin polymerization

#65
20060189769
2006-08-24

Broad/bimodal resins with controlled comonomer distribution

#66
20060025547
2006-02-02

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