ClassID:

97591

C08F2/42 - CPC Classification

Classification description:

Processes of polymerisation; Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation using short-stopping agents

Recent Application in this class:
#1
20230266181
2023-08-24

ABA TYPE BLOCK CO-POLYMERS FOR TEMPERATURE SENSING AND FLOW METERS

#2
20230183397
2023-06-15

Process

#3
20210277154
2021-09-09

Silica quenching agents for use in polymerization process

#4
20210206886
2021-07-08

Method for manufacturing polymer and flow-type reaction system for manufacturing polymer

#5
20210002393
2021-01-07

Ziegler-Natta catalyst deactivation and neutralization

#6
20200353729
2020-11-12

ABA type block co-polymers for temperature sensing and flow meters

#7
20200190243
2020-06-18

Process for the preparation of styrenic polymers having an improved color stability

#8
20200190237
2020-06-18

BRANCHED POLYMERS

#9
20200190227
2020-06-18

Methods for terminating olefin polymerizations

#10
20200002450
2020-01-02

Polymerization processes using high molecular weight polyhydric quenching agents

#11
20190352432
2019-11-21

Method for the continuous synthesis of a diene elastomer with lithium amide initiator

#12
20190276570
2019-09-12

Methods for producing polydienes

#13
20190256621
2019-08-22

Silica quenching agents for use in polymerization process

#14
20190256620
2019-08-22

Lecithin quenching agent

#15
20190256619
2019-08-22

High molecular weight functionalized olefin copolymer quenching agent

#16
20190169321
2019-06-06

Methods for terminating olefin polymerizations

#17
20180318790
2018-11-08

Aromatic hydrogenation catalysts and uses thereof

#18
20180201714
2018-07-19

Method for industrial production of trans-butadiene-isoprene copolymer rubber and apparatus therefor

#19
20180186906
2018-07-05

Process for transitioning between incompatible catalysts

#20
20180171035
2018-06-21

Composition for the immediate stopping of a free-radical polymerization

#21
20180072842
2018-03-15

Hydrocarbon polymers comprising two exo-vinylene cyclic carbonate terminal groups

#22
20180057740
2018-03-01

Process for preparing a polymerization inhibitor solution

#23
20180051102
2018-02-22

Process for transitioning between incompatible catalysts

#24
20180030177
2018-02-01

Polymerization processes using high molecular weight polyhydric quenching agents

#25
20180002460
2018-01-04

Polymerizable composition and optically anisotropic body using same

#26
20170320977
2017-11-09

Olefin polymerization catalyst system comprising mesoporous organosilica support

#27
20170320971
2017-11-09

Olefin polymerization catalyst system comprising mesoporous organosilica support

#28
20160229959
2016-08-11

Organosilica materials and uses thereof

#29
20160208037
2016-07-21

Star-shaped vinyl ether polymer

#30
20160168484
2016-06-16

Methods of separating aromatic compounds from lube base stocks

#31
20160168333
2016-06-16

Organosilica materials and uses thereof

#32
20160168174
2016-06-16

Organosilica materials and uses thereof

#33
20160167032
2016-06-16

Aromatic hydrogenation catalysts and uses thereof

#34
20160167016
2016-06-16

Coating methods using organosilica materials and uses thereof

#35
20160167015
2016-06-16

Adsorbent for heteroatom species removal and uses thereof

#36
20160159942
2016-06-09

Hydrocarbon-based polymers bearing an alkoxysilane end group

#37
20160039953
2016-02-11

High pressure polymerisation process for the preparation of polyethylene

#38
20150337056
2015-11-26

Method for immediately terminating radical polymerizations, inhibitor solution, and use thereof

#39
20150322249
2015-11-12

Process for transitioning

#40
20150315315
2015-11-05

Process for stopping and restarting polymerisation

#41
20150291486
2015-10-15

Methods and apparatus for deactivating a catalyst composition

#42
20150252121
2015-09-10

Alkyl hydroxylamine compounds and their use for shortstopping free radical polymerizations

#43
20150166689
2015-06-18

Alkyl hydroxylamine compounds and their use for shortstopping free radical polymerizations

#44
20150137034
2015-05-21

Methods for terminating olefin polymerizations

#45
20150038659
2015-02-05

Process for preparing halogenated polymers

#46
20140166922
2014-06-19

Stabilized hydrochlorofluoroolefins and hydrofluoroolefins

#47
20130345373
2013-12-26

Methods for terminating olefin polymerizations

#48
20130228723
2013-09-05

Methods for terminating olefin polymerizations

#49
20130158216
2013-06-20

Use of hydrogen and an organozinc compound for polymerization and polymer property control

#50
20130158174
2013-06-20

Additives and methods for terminating polymerization and/or reducing viscosity of polymer solution

#51
20120329962
2012-12-27

Methods for operating a polymerization reactor

#52
20120309910
2012-12-06

Method for replacing incompatible ethylene polymerization catalysts

#53
20120277385
2012-11-01

Methods for terminating olefin polymerizations

#54
20120142864
2012-06-07

Production of vinylidene-terminated and sulfide-terminated telechelic polyolefins via quenching with disulfides

#55
20120056128
2012-03-08

Stabilised Composititions Comprising Olefins

#56
20110294957
2011-12-01

Method for transitioning between incompatible olefin polymerization catalyst systems

#57
20110290635
2011-12-01

Polymerization inhibitor composition and method of inhibiting polymerization of distillable monomers

#58
20110269930
2011-11-03

Increased monomer conversion in emulsion polymerization

#59
20110190459
2011-08-04

Process to Kill a Catalyzed Olefin Polymerization

#60
20110130527
2011-06-02

Method for transitioning between incompatible olefin polymerization catalyst systems

#61
20100317812
2010-12-16

Method and apparatus for reducing fouling

#62
20100181524
2010-07-22

Stabilized hydrochlorofluoroolefins and hydrofluoroolefins

#63
20100168434
2010-07-01

INHIBITION OF POLYMERISATION

#64
20100130708
2010-05-27

Method of controlling the relative activity of the different active centers of hybrid catalysts

#65
20100099835
2010-04-22

Production of vinylidene-terminated and sulfide-terminated telechelic polyolefins via quenching with disulfides

#66
20090314986
2009-12-24

Method for deactivation of an organometallic catalyst and reactor system therefor

#67
20090240092
2009-09-24

ORTHO-NITROSOPHENOLS AS POLYMERIZATION INHIBITORS

#68
20090137754
2009-05-28

Polymer catalyst deactivation and acid neutralization using ionomers

#69
20090062486
2009-03-05

Method of changing between incompatible polymerization catalysts in a gas-phase fluidized-bed reactor

#70
20090043055
2009-02-12

Polyhydroxy compounds as polymerization quenching agents

#71
20080269435
2008-10-30

Polymerization process

#72
20080207841
2008-08-28

Storage-stable accelerator solution

#73
20080200623
2008-08-21

Polymerization Process

#74
20080146476
2008-06-19

Polyisobutenyl sulfonates having low polydispersity

#75
20080114137
2008-05-15

Method for the termination of anionic polymerization using phosphate ester/water mixture

#76
20070244274
2007-10-18

Verdazyl agents for the production of free standing polymers

#77
20070244273
2007-10-18

Catalyst deactivation agents and methods for use of same

#78
20070135591
2007-06-14

On the fly catalyst transitions

#79
20070078207
2007-04-05

Stabilizer cyanoacrylate formulations

#80
20070066761
2007-03-22

Swellable particles

#81
20070055030
2007-03-08

Method for the termination of anionic polymerization by Lewis acid

#82
20060283699
2006-12-21

Ortho-nitrosophenols as polymerization inhibitors

#83
20060160965
2006-07-20

Process for transitioning between Ziegler-Natta-based and chromium-based catalysts

#84
20060069218
2006-03-30

Sulfonated nitrophenols as polymerization inhibitors

#85
20060024264
2006-02-02

Antimicrobial copolymers and uses thereof

#86
20060020089
2006-01-26

Method for stabilizing vinyl aromatic monomers using selected polymerization inhibitors and polymers prepared

#87
20050282978
2005-12-22

Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts

#88
20050282972
2005-12-22

Process for preparing terminally functionalized living and quasiliving cationic telechelic polymers

#89
20050250917
2005-11-10

Liquid phase process for the polymerization of α-olefins

#90
20050171304
2005-08-04

Method for quantitative characterization of polymerization catalyst performance

#91
20050154156
2005-07-14

Diene rubber, process for production thereof, rubber compositions, process for producing the same, and crosslinked rubbers

#92
20050059784
2005-03-17

Processes for transitioning between Ziegler-Natta and alumoxane-based single-site polymerization catalysts