ClassID:

97624

C08F4/22 - CPC Classification

Classification description:

Polymerisation catalysts; Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen of chromium, molybdenum or tungsten

Sub-classes:
Recent Application in this class:
#1
20240181437
2024-06-06

Modified supported chromium catalysts and ethylene-based polymers produced therefrom

#2
20230364595
2023-11-16

Modified supported chromium catalysts and ethylene-based polymers produced therefrom

#3
20230182121
2023-06-15

Modified supported chromium catalysts and ethylene-based polymers produced therefrom

#4
20220266231
2022-08-25

Modified supported chromium catalysts and ethylene-based polymers produced therefrom

#5
20220025082
2022-01-27

Cyclic polyolefins derived from hexyne, octyne, nonyne, pentadecyne and their copolymers with acetylene

#6
20210402383
2021-12-30

Light treatment of chromium catalysts and related catalyst preparation systems and polymerization processes

#7
20200181299
2020-06-11

Cyclic polyolefins derived from hexyne, octyne, nonyne, pentadecyne and their copolymers with acetylene

#8
20200087430
2020-03-19

Light treatment of chromium catalysts and related catalyst preparation systems and polymerization processes

#9
20200086307
2020-03-19

Modified supported chromium catalysts and ethylene-based polymers produced therefrom

#10
20190092884
2019-03-28

Cyclic polyolefins derived from hexyne, octyne, nonyne, pentadecyne and their copolymers with acetylene

#11
20180051102
2018-02-22

Process for transitioning between incompatible catalysts

#12
20170029346
2017-02-02

Ligand compound, organic chromium compound, catalyst system for oligomerization of olefins, and method for oligomerization of olefins using the catalyst system

#13
20150210784
2015-07-30

Catalyst on silica clad alumina support

#14
20150065667
2015-03-05

Supported metal oxide double active center polyethylene catalyst, process for preparing the same and use thereof

#15
20140275457
2014-09-18

Polymerization catalysts and polymers

#16
20140142260
2014-05-22

Slurry phase polymerisation process

#17
20130172499
2013-07-04

PROCESS FOR THE PREPARATION OF OLEFIN POLYMERS IN THE PRESENCE OF CHROMIUM CATALYSTS

#18
20130158217
2013-06-20

Polymerization initiating system and method to produce highly reactive olefin functional polymers

#19
20130144017
2013-06-06

Methods of preparing a catalyst

#20
20120302707
2012-11-29

Chromium catalysts for olefin polymerization

#21
20120208694
2012-08-16

Preparation of supported chromium catalyst and polymerization process

#22
20110257352
2011-10-20

Amino phosphine

#23
20100137533
2010-06-03

Hindered polyalicyclic alkyl catalysts and their use in a gas-phase polymerization reactor

#24
20100022727
2010-01-28

Polymer supported chrome catalyst for olefins polymerization

#25
20090326297
2009-12-31

Production method of α-olefin low polymer

#26
20090306317
2009-12-10

Process for the preparation of a silylchromate catalyst

#27
20090198026
2009-08-06

Preparation of supported chromium catalyst and polymerization process

#28
20090082197
2009-03-26

Methods of preparing a polymerization catalyst

#29
20080299342
2008-12-04

Catalyst Comprising Chromium and Zinc for Olefin Polymerization and Process for Preparing It

#30
20080242821
2008-10-02

Hindered polyalicyclic alkyl catalysts and their use in a gas-phase polymerization reactor

#31
20080242811
2008-10-02

Amino phosphine

#32
20080119622
2008-05-22

Olefin polymerization process in the presence of an anti-fouling agent

#33
20080058486
2008-03-06

Phosphine ligand-metal compositions, complexes, and catalysts for ethylene trimerizations

#34
20080051532
2008-02-28

Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins

#35
20070179051
2007-08-02

Preparation of supported catalysts for polymerization

#36
20070065613
2007-03-22

Plastics pipes of polyolefins

#37
20060128908
2006-06-15

Hindered polyalicyclic alkyl catalysts and their use in a gas-phase polymerization reactor

#38
20050239641
2005-10-27

Methods of preparing active chromium/alumina catalysts via treatment with sulfate

#39
20050163672
2005-07-28

Production of polyethylene

#40
20050019515
2005-01-27

Plastics pipes of polyolefins