ClassID:

97541

C08C19/08 - CPC Classification

Classification description:

Chemical modification of rubber Depolymerisation

Recent Application in this class:
#1
20250257188
2025-08-14

BUTADIENE PRODUCTION FROM USED TIRES

#2
20250257187
2025-08-14

BUTADIENE PRODUCTION FROM USED TIRES

#3
20250145739
2025-05-08

METHOD OF DECOMPOSING CROSSLINKED RUBBER

#4
20240301096
2024-09-12

METHOD OF RETURNING CROSSLINKING SITE OF CROSSLINKED ELASTOMER TO NON-CROSSLINKED STATE

#5
20240301095
2024-09-12

THERMAL DECOMPOSITION METHOD OF USED RUBBER AND RUBBER MATERIAL FOR THERMAL DECOMPOSITION

#6
20240209191
2024-06-27

PROCESS FOR REGENERATING A MONOLITHIC, MACRO-STRUCTURAL, INTER-PENETRATING ELASTOMER NETWORK MORPHOLOGY FROM GROUND TIRE RUBBER PARTICLES

#7
20240018332
2024-01-18

METHOD FOR PRODUCING RESINS FROM RUBBER CHIPS

#8
20230374164
2023-11-23

RUBBER COMPOSITION PRODUCTION METHOD, RE-CROSSLINKED RUBBER, TIRE, AND RUBBER INDUSTRIAL PRODUCT

#9
20230340237
2023-10-26

LIQUID HYDROGENATED NITRILE-BUTADIENE RUBBER, PREPARATION METHOD THEREOF AND USE THEREOF

#10
20230151161
2023-05-18

METHOD AND SYSTEM FOR ODOUR ABATEMENT IN RUBBER PROCESSING

#11
20220204656
2022-06-30

Depolymerizer and recycled rubber

#12
20220186002
2022-06-16

Process for regenerating a monolithic, macro-structural, inter-penetrating elastomer network morphology from ground tire rubber particles

#13
20220032279
2022-02-03

Catalyst system containing a metathesis catalyst and at least one phenolic compound and a process for metathesis of nitrile-butadiene rubber (NBR) using the catalyst system

#14
20210260568
2021-08-26

Use of catalysts for the metathesis of nitrile rubber

#15
20210147584
2021-05-20

RECYCLED RUBBER

#16
20200332030
2020-10-22

Process for producing nitrile rubbers using ruthenium complex catalysts

#17
20200317894
2020-10-08

Process for regenerating a monolithic, macro-structural, inter-penetrating elastomer network morphology from ground tire rubber particles

#18
20200299464
2020-09-24

Production method for polymer latex

#19
20200255637
2020-08-13

Method and product of modifying vulcanized rubber

#20
20200190297
2020-06-18

Process for regenerating a monolithic, macro-structural, inter-penetrating elastomer network morphology from ground tire rubber particles

#21
20200181372
2020-06-11

Method for producing recycled thermoplastic rubber masterbatch with improved green strength and tack

#22
20200024433
2020-01-23

Process for regenerating a monolithic, macro-structural, inter-penetrating elastomer network morphology from ground tire rubber particles

#23
20190345307
2019-11-14

Continuous recycling of rubber and organic polymers using supercritical water oxidation closed system

#24
20190276633
2019-09-12

Method for reclaiming rubber, and renewed rubber compositions obtainable thereby

#25
20170183424
2017-06-29

NdBR with molar mass breakdown

#26
20170114155
2017-04-27

Chemically functionalized renewed rubber composition

#27
20170009044
2017-01-12

Method for producing devulcanized rubber and an apparatus therefor

#28
20170009043
2017-01-12

Method for producing functionalised telechelic oligomers

#29
20160347926
2016-12-01

Re-processed rubber and a method for producing same

#30
20160280815
2016-09-29

Functionalized polymer composition

#31
20160152805
2016-06-02

Chemically functionalized renewed rubber composition

#32
20160145423
2016-05-26

Rubber-silica composite and method for producing same, and rubber composition and pneumatic tire

#33
20160122457
2016-05-05

Nitrile group-containing copolymer rubber, cross-linkable rubber composition, and cross-linked rubber

#34
20160009875
2016-01-14

Method for producing modified polymer, and rubber composition

#35
20160009874
2016-01-14

Grafting functional species to rubber

#36
20150353690
2015-12-10

Modified diene polymer, method for producing same, rubber composition, and pneumatic tire

#37
20150315363
2015-11-05

Chemically functionalized renewed rubber composition

#38
20150307636
2015-10-29

Process for degrading nitrile rubbers in the presence of catalysts having an increased activity

#39
20150247020
2015-09-03

Method for producing devulcanized rubber and an apparatus therefor

#40
20150197581
2015-07-16

DEVULCANIZING AGENT FOR PRODUCTION OF RECLAIM RUBBER POWDER

#41
20140364536
2014-12-11

Process for producing modified polymer, diene polymer, rubber composition and pneumatic tire

#42
20140206781
2014-07-24

Devulcanized rubber and methods

#43
20140066575
2014-03-06

Process for degrading nitrile rubbers in the presence of catalysts having an increased activity

#44
20130345366
2013-12-26

Partially hydrogenated nitrile rubbers

#45
20130324672
2013-12-05

Process for reacting chemical compounds in the presence of catalyst systems

#46
20130245202
2013-09-19

Sulfur-modified chloroprene rubber, molding thereof, and production method therefore

#47
20130137785
2013-05-30

Method of devulcanizing a cross-linked elastomeric material

#48
20130096216
2013-04-18

Method and chemical composition for reclaiming of cured elastomer materials

#49
20130005916
2013-01-03

Process for the preparation of low molecular weight hydrogenated nitrile rubber

#50
20120329954
2012-12-27

Process for the preparation of hydrogenated nitrile rubber

#51
20120329952
2012-12-27

RUTHENIUM BASED CATALYSTS FOR THE METATHESIS OF NITRILE RUBBERS

#52
20120329941
2012-12-27

METATHESIS OF NITRILE RUBBERS IN THE PRESENCE OF TRANSITION METAL CATALYSTS

#53
20120323037
2012-12-20

Method for preparing telechelic oligomers from tire waste

#54
20120252982
2012-10-04

Methods of modifying polymers with highly active and selective metathesis catalysts

#55
20120116026
2012-05-10

PROCESS FOR DEGRADING NITRILE RUBBERS IN THE PRESENCE OF CATALYSTS HAVING AN INCREASED ACTIVITY

#56
20110190441
2011-08-04

Nitrile rubbers

#57
20110178191
2011-07-21

Devulcanization of rubber and other elastomers

#58
20110152390
2011-06-23

Method and chemical composition for reclaiming of cured elastomer materials

#59
20110136588
2011-06-09

Golf ball incorporating peptizers and method of manufacture

#60
20110077360
2011-03-31

Process for reacting chemical compounds in the presence of catalyst systems

#61
20100249351
2010-09-30

Synthetic rubber with narrow molecular weight distribution, a process for its preparation and a method of use

#62
20100249254
2010-09-30

Devulcanized rubber and methods

#63
20100240848
2010-09-23

Low molecular weight hydrogenated nitrile rubber

#64
20100240838
2010-09-23

Low molecular weight hydrogenated nitrile rubber

#65
20100216961
2010-08-26

HYDROGENATED NITRILE RUBBER WITH NARROW MOLECULAR WEIGHT DISTRIBUTION, A PROCESS FOR ITS PREPARATION AND A METHOD OF USE

#66
20100203601
2010-08-12

PROCESS FOR SURFACE ACTIVATION AND/OR DEVULCANIZATION OF SULFUR-VULCANIZED RUBBER PARTICLES

#67
20100168352
2010-07-01

Production of telechelic compounds by metathesis depolymerization

#68
20100144911
2010-06-10

Depolymerization of polymers

#69
20090317573
2009-12-24

Oxygen absorbent, oxygen-absoring film and packaging container

#70
20090272475
2009-11-05

Tire for vehicle wheels comprising crosslinked elastomeric composition

#71
20090105423
2009-04-23

Method for preparing low molecular weight polymers

#72
20090076227
2009-03-19

Process for the metathetic degradation of nitrile rubber

#73
20090076226
2009-03-19

Catalysts for metathesis reactions

#74
20090069516
2009-03-12

Catalyst systems and their use for metathesis reactions

#75
20090061249
2009-03-05

Oxygen absorbent and oxygen-absorbing multi-layer body

#76
20090054597
2009-02-26

Metathesis of nitrile rubbers in the presence of transition metal complex catalysts

#77
20090041963
2009-02-12

Oxygen-absorbing gas barrier resin composition and oxygen-absorbing gas barrier structure comprising the same

#78
20090030156
2009-01-29

PROCESS FOR PRODUCING SPECIAL-GRADE NATURAL RUBBER

#79
20080214758
2008-09-04

Process for the preparation of low molecular weight nitrile rubber

#80
20080214741
2008-09-04

Process for the preparation of low molecular weight hydrogenated nitrile rubber

#81
20080139678
2008-06-12

Devulcanized rubber and methods

#82
20080132635
2008-06-05

Carbon fiber composite material and method of producing the same

#83
20080090970
2008-04-17

Low molecular weight hydrogenated nitrile rubber

#84
20080076881
2008-03-27

Process for the metathetic degradation of nitrile rubbers

#85
20080064822
2008-03-13

Process for degrading nitrile rubbers in the presence of catalysts having an increased activity

#86
20070208206
2007-09-06

Novel catalyst systems and a process for reacting chemical compounds in the presence of said catalyst systems

#87
20070173567
2007-07-26

Method for producing a natural rubber master batch and a synthetic isoprene rubber batch using biodegraded rubber powder, using rubber powder and a filling agent, or using biodegraded rubber powder and a filling agent

#88
20070149717
2007-06-28

Functionalized polymers

#89
20070142621
2007-06-21

Synthetic rubber with narrow molecular weight distribution, a process for its preparation and a method of use

#90
20070142564
2007-06-21

Hydrogenated nitrile rubber with narrow molecular weight distribution, a process for its preparation and a method of use

#91
20070049700
2007-03-01

Method for the degradation of nitrile rubber by metathesis in the presence of ruthenium- or osmium-based catalysts

#92
20070049699
2007-03-01

Process for the preparation of low mooney nitrile terpolymers

#93
20070009997
2007-01-11

Process for surface activation and/or devulcanisation of sulfur-vulcanized rubber particles

#94
20060293398
2006-12-28

Rubber treatment method

#95
20060254687
2006-11-16

Pneumatic tire with built-in sealant containing pre-hydrophobated silica

#96
20050256274
2005-11-17

Golf ball core compositions

#97
20050203241
2005-09-15

Rubber product and method for manufacturing the same

#98
20050119452
2005-06-02

Method for producing masticated rubber

#99
20050027075
2005-02-03

Low molecular weight nitrite rubber

#100
20050026797
2005-02-03

Removing gelled unsaturated elastomers from polymerization equipment associated with their production

#101
15915790
2019-07-23

Rubber coating

#102
14700764
2016-05-24

Olefin-metathesis catalysts and method for preparing low-molecular-weight nitrile butadiene rubber