ClassID:

97767

C08F6/005 - CPC Classification

Classification description:

Post-polymerisation treatments; Removal of residual monomers by physical means from solid polymers

Recent Application in this class:
#1
20260015439
2026-01-15

PURGED POLYMER, PROCESS AND APPARATUS FOR PRODUCTION THEREOF

#2
20250367594
2025-12-04

Product Purge Bin Mid-Vent As Primary Purge Gas Vent Control

#3
20250019471
2025-01-16

CENTRALIZED HYDROCARBON TREATMENT IN A POLYMER PRODUCTION PROCESS

#4
20240425619
2024-12-26

REDUCTION IN VOC AND FOG VALUES OF FILLED HETEROPHASIC POLYPROPYLENE BY SEPARATE AERATION OF INDIVIDUAL POLYOLEFIN COMPONENTS

#5
20240384010
2024-11-21

SYSTEMS AND TECHNIQUES FOR POLYMER DEGASSING

#6
20240287216
2024-08-29

POLYMER DEVOLATILIZATION PROCESS

#7
20240286062
2024-08-29

POLYMER DEVOLATILIZATION APPARATUS

#8
20240043591
2024-02-08

OPTICAL GRADE MOULDING COMPOSITIONS HAVING INCREASED HEAT RESISTANCE

#9
20230374166
2023-11-23

Systems and techniques for polymer degassing

#10
20230257490
2023-08-17

METHOD FOR PURIFYING A VINYLIDENE FLUORIDE POLYMER

#11
20230043644
2023-02-09

MICRO-INTERFACE STRENGTHENING REACTION SYSTEM AND METHOD FOR PREPARING POLY-A-OLEFIN

#12
20230032361
2023-02-02

Method of purifying alpha-olefin and composition for purifying alpha-olefin therefor

#13
20230022810
2023-01-26

Method for preparing vinyl chloride-based polymer

#14
20220306774
2022-09-29

Process for preparing polypropylene with improved recovery

#15
20220169758
2022-06-02

Devolatilization of plastomer pellets

#16
20220098340
2022-03-31

Washing methods for ethylene-acrylic acid copolymer manufacturing process using solvent

#17
20210395504
2021-12-23

Reduction in VOC and FOG values of polypropylene grades by aeration

#18
20210292445
2021-09-23

Olefin polymerization processes

#19
20210261694
2021-08-26

System and method for rapid dump tank heating

#20
20210246237
2021-08-12

Method for producing purified fluoropolymer

#21
20210246234
2021-08-12

Separations system for recovering hydrocarbons from synthesis of polyethylene polymers

#22
20210187433
2021-06-24

SYSTEM AND PROCESS FOR RECOVERING VALUABLES FROM VENT GAS IN POLYOLEFIN PRODUCTION

#23
20210171677
2021-06-10

Method of recovering olefins in a solution polymerisation process

#24
20210163653
2021-06-03

Process for the production of graft copolymer powder compositions and thermoplastic resin compositions

#25
20210108007
2021-04-15

Process for reducing the VOC content of plastomers

#26
20200354483
2020-11-12

System and method for rapid dump tank heating

#27
20200231719
2020-07-23

Methods of polyolefin solids recovery

#28
20200231718
2020-07-23

Methods of polyolefin solids recovery

#29
20200172638
2020-06-04

Removal of unreacted monomers and other materials from polyolefin product particles

#30
20200171405
2020-06-04

Mobile vacuum distillation unit for transport of articles containing releasable volatile organic compounds

#31
20200062876
2020-02-27

Process for obtaining low volatile plastomers

#32
20200017612
2020-01-16

Residual monomer content controlling method of polymer

#33
20190382512
2019-12-19

Elimination of polymer fouling in fluidized bed gas-phase fines recovery eductors

#34
20190352438
2019-11-21

Process for operating a polymer powder degasser vessel

#35
20190339007
2019-11-07

Process for the preparation of a dried powder

#36
20190270830
2019-09-05

Method for separating hydrocarbons from polymer

#37
20190264021
2019-08-29

Process for producing ASA plastics

#38
20190085101
2019-03-21

Method for recovering ethylene and vinyl-based comonomer

#39
20180369775
2018-12-27

Method for returning polymer to a fluidised bed reactor

#40
20180355160
2018-12-13

Method for producing ABS plastics having improved properties

#41
20180258209
2018-09-13

Non-extrusion process for functionalization of low viscosity polyolefins

#42
20180230263
2018-08-16

Process for preparing polyalkenamers for packaging applications

#43
20180207608
2018-07-26

Reactor system for multi-phase polymerization process

#44
20180162962
2018-06-14

Recovery of unreacted monomers from olefin polymerization processes

#45
20180105613
2018-04-19

Elimination of polymer fouling in fluidized bed gas-phase fines recovery eductors

#46
20170335023
2017-11-23

PROCESS FOR THE SEPARATION OF A STREAM COMPRISING VAPOUR AND SOLIDS IN A SEPARATION VESSEL

#47
20170320983
2017-11-09

Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution

#48
20170320973
2017-11-09

POLYMERISATION PROCESS AND POLYMERISATION UNIT COMPRISING A DEGASSING SECTION

#49
20170313791
2017-11-02

Organosilica materials for use as adsorbents for oxygenate removal

#50
20170298154
2017-10-19

Polymerization using a stripping agent for devolatilization

#51
20170282092
2017-10-05

Nozzle/header design for polystyrene

#52
20170259235
2017-09-14

Systems and methods using an insert assembly with stacked gas flow gaps

#53
20170198064
2017-07-13

Method for producing clean thermoplastic particles

#54
20170129969
2017-05-11

Control methods and systems for polymer product purge

#55
20160347875
2016-12-01

Polymerisation process and polymerisation unit comprising a degassing section

#56
20160289347
2016-10-06

Method of purifying polyolefin

#57
20160272745
2016-09-22

Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution

#58
20160237182
2016-08-18

Separation of monomer components from light components

#59
20160152743
2016-06-02

Polymerisation process

#60
20160053030
2016-02-25

Polymerisation process

#61
20150322188
2015-11-12

Method for removal of residual monomers from water-absorbing polymer particles

#62
20150322178
2015-11-12

Process for treating polyolefin particles obtained by gas-phase polymerization

#63
20150315302
2015-11-05

Process for degassing and buffering polyolefin particles obtained by olefin polymerization

#64
20150258489
2015-09-17

Cyclical method of producing high-purity nitrogen and optionally a high-purity hydrocarbon from a feedstock containing nitrogen and a hydrocarbon

#65
20150191562
2015-07-09

Method for producing (meth)acrylic resin composition

#66
20140202847
2014-07-24

Removing volatile compounds from polymer granules by vapour distillation

#67
20140047732
2014-02-20

Method for drying a humid polymer powder and device suitable for said method

#68
20130296496
2013-11-07

METHOD OF PURIFYING BLOCK COPOLYMERS

#69
20130292064
2013-11-07

Devolatilization apparatus and process

#70
20130291720
2013-11-07

Systems and methods for recovering hydrocarbons from a polyolefin purge gas product

#71
20130125581
2013-05-23

Ethylene expansion for low temperature refrigeration in polyethylene vent recovery

#72
20130109814
2013-05-02

Method for producing petroleum resin

#73
20130102711
2013-04-25

Method of purifying block copolymers

#74
20130079476
2013-03-28

Interlock and process

#75
20130012676
2013-01-10

Method for producing devolatilized polyolefin and molded article of polyolefin

#76
20120319318
2012-12-20

Cooling and pelletizing process for semi-crystalline polymers

#77
20120311884
2012-12-13

Apparatus and methods for separating volatiles from particulates

#78
20120259085
2012-10-11

Polymer powder storage and/or transport and/or degassing vessels

#79
20120232234
2012-09-13

Safe removal of volatile, oxidizable compounds from particles, in particular polymer particles

#80
20120084993
2012-04-12

Method and apparatus to condition polymers utilizing multiple processing systems

#81
20120021220
2012-01-26

Method of reducing odor of composite resin particles, and composite resin particles

#82
20120016098
2012-01-19

Steaming of a polyolefin

#83
20120003478
2012-01-05

Method for reducing volatile organic compounds in composite resin particles, and composite resin particles

#84
20110269898
2011-11-03

METHOD FOR SYNTHESIZING IMPROVED BINDERS HAVING A DEFINED GRAIN SIZE DISTRIBUTION

#85
20110245445
2011-10-06

Removing volatile compounds from polymer pellets

#86
20110237767
2011-09-29

Process for removing residual monomers from water-absorbing polymer particles

#87
20110219952
2011-09-15

Systems using mass flow promoting insert with gas purging and methods thereof

#88
20110152477
2011-06-23

Method for the production of polymers

#89
20110021742
2011-01-27

METHOD FOR PURIFYING POLYMER AND METHOD FOR PRODUCING POLYMER USING THE SAME

#90
20100203006
2010-08-12

Devolatilization apparatus and process

#91
20100197819
2010-08-05

Styrenic polymer compositions and methods of making and using same

#92
20100130719
2010-05-27

Process for devolatilization of polymer of an aromatic alkylene

#93
20100063224
2010-03-11

APPARATUS AND METHOD FOR PRODUCING POLYOLEFIN

#94
20100041825
2010-02-18

Method and system for degassing polymer powder

#95
20100029824
2010-02-04

STYRENE-CONTAINING POLYMERS CONTAINING A ZEOLITE OF THE MFI TYPE

#96
20100004408
2010-01-07

Process for the polyolefin finishing

#97
20090227703
2009-09-10

Method of purifying block copolymers

#98
20090221788
2009-09-03

Apparatus and Method for Degassing Polymer Powder

#99
20090221761
2009-09-03

PROCESS FOR REMOVING RESIDUAL VOLATILE MONOMERS FROM A POLYMER IN POWDER FORM

#100
20090203840
2009-08-13

Method and apparatus to achieve crystallization of polymers utilizing multiple processing systems

#101
20090156772
2009-06-18

Melt processed materials for medical articles

#102
20090124779
2009-05-14

Polymer treatment

#103
20090057935
2009-03-05

Method for granulating flexible polyolefin resin and granule

#104
20080306233
2008-12-11

Process for Removing Residual Volatile Monomers from a Polymer in Powder form

#105
20080196840
2008-08-21

Industrial Continuous Evaporation Apparatus

#106
20080185758
2008-08-07

Pellet Treatment Unit

#107
20080177012
2008-07-24

Process and apparatus for the polymerization of ethylene

#108
20080076890
2008-03-27

Bulk polymerization process

#109
20080058481
2008-03-06

Transfer vessel between flash tank and purge column

#110
20080045683
2008-02-21

Polyolefin Treatment for Separating Volatile Material

#111
20070276075
2007-11-29

Process for Producing Polyorganosiloxane-Containing Resin and Resin Composition Containing the Resin

#112
20070260038
2007-11-08

Preparation of microparticles having improved flow ability

#113
20070249804
2007-10-25

Preparation of ultrapure polymeric articles

#114
20070120285
2007-05-31

Devolatilizer nozzle

#115
20070112114
2007-05-17

Pharmaceutical metered dose inhaler and methods relating thereto

#116
20070106060
2007-05-10

Method of purifying powdery resin

#117
20070093909
2007-04-26

ORTHOPAEDIC DEVICE FOR IMPLANTATION IN THE BODY OF AN ANIMAL AND METHOD FOR MAKING THE SAME

#118
20070083035
2007-04-12

Method of reducing the styrene content of a poly(arylene ether)/polystyrene blend, and articles comprising the resulting thermoplastic resin

#119
20070066797
2007-03-22

Apparatus for producing polymer

#120
20060286007
2006-12-21

Process and device for manufacturing an aromatic alkylene polymer

#121
20060237299
2006-10-26

Method for recovering solvents

#122
20060228386
2006-10-12

Polymeric microstructures

#123
20060217528
2006-09-28

Polymer treatment

#124
20060122299
2006-06-08

High performance P(VDF-TrFE) copolymer for pyroelectric conversion

#125
20060034777
2006-02-16

Safe removal of volatile oxidizable compounds from particles, in particular polymer particles

#126
20050256297
2005-11-17

Extraction of impurities from grafted polyolefins

#127
20050240003
2005-10-27

Process and apparatus for degassing a polymer

#128
20050197489
2005-09-08

Process for stripping monomers and other volatile constituents from polymer melts

#129
20050197487
2005-09-08

Continuous resin recovery apparatus and recovery method

#130
20050197474
2005-09-08

Bulk polymerization process

#131
20050092679
2005-05-05

Method of cleaning or purifying a polymer

#132
20050033016
2005-02-10

Process for treating a polyolefin discharged from an olefin polymerization reactor