ClassID:

97740

C08F4/646 - 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 Catalysts comprising at least two different metals, in metallic form or as compounds thereof, in addition to the component covered by group

Recent Application in this class:
#1
20250289914
2025-09-18

PROCESS FOR PREPARING A PROPYLENE COMPOSITION

#2
20240360256
2024-10-31

PROCESS FOR MAKING PROPYLENE-BASED TERPOLYMER

#3
20230113200
2023-04-13

CATALYST AND PREPARATION THEREOF

#4
20220315674
2022-10-06

Process for the production of end-saturated polyalfaolefin lubricants

#5
20220056163
2022-02-24

Hybrid supported metallocene catalyst and method for preparing polypropylene using the same

#6
20220048016
2022-02-17

Supported catalyst systems and processes for use thereof

#7
20210355249
2021-11-18

Process for making propylene-based copolymer

#8
20210292449
2021-09-23

Process for making propylene-based terpolymer

#9
20210269564
2021-09-02

Components and catalysts for the polymerization of olefins

#10
20200262943
2020-08-20

Indene-based transition metal compound, transition metal catalyst composition comprising same, and method for preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin by using same

#11
20200071435
2020-03-05

Process for producing propylene copolymers with low VOC content

#12
20200002443
2020-01-02

Polymerization compositions and methods for making and using same

#13
20190309148
2019-10-10

Polyethylene composition for blow molding having high stress cracking resistance

#14
20190309099
2019-10-10

Universal alpha-olefin polymerization catalyst, and application thereof

#15
20190263942
2019-08-29

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

#16
20190169328
2019-06-06

Olefin polymerization catalyst carrier, solid catalyst component and use thereof

#17
20190169323
2019-06-06

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

#18
20190135963
2019-05-09

Olefin-based copolymer and process for preparing same

#19
20190127503
2019-05-02

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

#20
20190048106
2019-02-14

Olefin coordination polymerization catalyst, and preparation method and application thereof

#21
20180298123
2018-10-18

Use of organosilane, in-reactor polyolefin alloy and preparation method thereof

#22
20170088644
2017-03-30

Catalyst system for the polymerisation and/or oligomerisation of olefins and process utilizing the catalyst system

#23
20140213438
2014-07-31

High activity olefin polymerization catalyst compromising boron-containing silica support and the preparation thereof

#24
20130345375
2013-12-26

OLEFIN POLYMERIZATION CATALYST COMPOSITION AND OLEFIN POLYMERIZATION PROCESS USING THE SAME

#25
20130253153
2013-09-26

Processes for the polymerization of olefins with extracted metal carboxylate salts

#26
20130217844
2013-08-22

PROCESS FOR THE POLYMERIZATION OF OLEFINS

#27
20130158215
2013-06-20

MODIFIED ZIEGLER-NATTA CATALYST SYSTEMS

#28
20130090438
2013-04-11

Process for producing high molecular weight polyethylene

#29
20130090400
2013-04-11

PROCESS FOR PRODUCING HIGH MOLECULAR WEIGHT POLYETHYLENE

#30
20110144274
2011-06-16

PRODUCTION PROCESS OF OLEFIN POLYMERIZATION CATALYST AND OLEFIN POLYMER

#31
20100331504
2010-12-30

CATALYST FOR THE POLYMERIZATION OF OLEFINS

#32
20100249330
2010-09-30

PROCESS FOR THE PREPARATION OF HIGH FLUIDITY PROPYLENE POLYMERS