ClassID:

99568

C08G65/46 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives Post-polymerisation treatment, e.g. recovery, purification, drying

Recent Application in this class:
#1
20260117023
2026-04-30

METHOD OF PRODUCING POLYETHER COMPOUND, METHOD OF PRODUCING POLYETHER COMPOUND CONTAINING REACTIVE SILICON GROUP, METHOD OF PRODUCING POLYETHER COMPOUND HAVING URETHANE BOND, AND METHOD OF PRODUCING POLYETHER COMPOUND CONTAINING POLYMERIZABLE UNSATURATED GROUP

#2
20260109815
2026-04-23

LIQUID PHASE EXTRACTION OF TRITIATED AND RADIATION-GENERATED IMPURITIES FROM ORGANIC AND ORGANOSILICON OILS

#3
20260015459
2026-01-15

Method for synthesizing polyphenylene ether

#4
20250197594
2025-06-19

POLYETHER ETHER KETONE DECOMPOSITION METHOD AND NOVEL SUBSTANCE MADE BY USING DECOMPOSITION PRODUCT OBTAINED BY THIS DECOMPOSITION METHOD AS RAW MATERIAL

#5
20250197565
2025-06-19

METHOD FOR PRODUCING ACTIVE CARBONIC ACID ESTER OF POLYETHYLENE GLYCOL, AND ACTIVE CARBONIC ACID ESTER OF POLYETHYLENE GLYCOL

#6
20250145765
2025-05-08

PROCESS AND APPARATUS FOR THE PURIFICATION OF POLYETHERKETONEKETONE

#7
20240400759
2024-12-05

METHOD FOR PREPARING BIO-POLYOL, COMPOSITION OF POLYURETHANE RESIN CONTAINING BIO-POLYOL, AND METHOD FOR PREPARING POLYURETHANE FOAM USING THE SAME

#8
20240384030
2024-11-21

METHOD FOR PREPARATION OF POLYTRIMETHYLENE ETHER GLYCOL AND POLYTRIMETHYLENE ETHER GLYCOL USING THE SAME

#9
20240309152
2024-09-19

POLYTRIMETHYLENE ETHER GLYCOL AND METHOD FOR PREPARATION THEREOF

#10
20240287252
2024-08-29

PEEK-PEoEK copolymer powder and method of preparing the powder

#11
20240182637
2024-06-06

Poly(ether ketone ketone) (PEKK) polymer and composites

#12
20240059847
2024-02-22

HOLLOW RESIN PARTICLES, PRODUCTION METHOD THEREFOR, AND USE THEREOF

#13
20230383057
2023-11-30

METHOD FOR CRYSTALLIZING HIGHLY FUNCTIONAL POLYMER BY POST-PROCESSING, AND CRYSTALLINE POLYMER PRODUCED THEREBY

#14
20230250230
2023-08-10

REINFORCED PAEK COMPOSITIONS COMPRISING RECYLCED CARBON FIBERS

#15
20220380536
2022-12-01

PEEK-PEoEK copolymer powder and method of preparing the powder

#16
20220315699
2022-10-06

Method of making a PEEK-PEoEK copolymer and copolymer obtained from the method

#17
20220098366
2022-03-31

METHOD OF GRINDING POLY(ETHER KETONE KETONE) (PEKK)

#18
20220089814
2022-03-24

Process for preparing a copolymer polyol

#19
20210347943
2021-11-11

PROCESS FOR PRODUCING POLYARYLENE ETHER NITRILE WITH EFFICIENTLY RECOVERING N-METHYLPYRROLIDONE SOLVENT

#20
20210332185
2021-10-28

Diol compound, polycarbonate, and preparation method of the same

#21
20210269594
2021-09-02

METHOD FOR FABRICATING A THERMOPLASTIC COMPOSITE STRUCTURE

#22
20210253793
2021-08-19

Poly(ether ketone ketone) (PEKK) composites

#23
20210253792
2021-08-19

Poly(ether ketone ketone) (PEKK) polymer and composites

#24
20210138689
2021-05-13

Polymer powder and article made from the same

#25
20210115277
2021-04-22

Poly—(aryl-ether-ketone) (PAEK) composition with a low content of volatile compounds and use of same in a sintering method

#26
20210009756
2021-01-14

Method for purifying trityl group-containing monodispersed polyethylene glycol

#27
20200399425
2020-12-24

Method for producing polyaryletherketone

#28
20200339750
2020-10-29

Method for preparing polyetherketoneketone and polyetherketoneketone prepared thereby

#29
20200308346
2020-10-01

Phenylene ether oligomer composition

#30
20200308334
2020-10-01

Bio-based and hydrophilic polyurethane prepolymer and foam made therefrom

#31
20200277437
2020-09-03

Polytrimethylene ether glycol and preparation method thereof

#32
20200247013
2020-08-06

Polymer powder and method of preparing the same

#33
20200165386
2020-05-28

PURIFICATION OF POLY ETHER KETONE KETONE BY CENTRIFUGAL FILTRATION

#34
20200157299
2020-05-21

FILMS AND MEMBRANES OF POLY(ARYL KETONES) AND METHODS OF CASTING THE SAME FROM SOLUTION

#35
20200148822
2020-05-14

Method for the recovery of compounds deriving from the synthesis of poly aryl ether ketone polymers

#36
20200079905
2020-03-12

Purification method of polyethylene glycol having one carboxyl group

#37
20190292316
2019-09-26

Purified poly(phenylene ether), and poly(phenylene ether) composition and article

#38
20190264045
2019-08-29

POLY-(ARYL-ETHER-KETONE) (PAEK) COMPOSITION WITH A LOW CONTENT OF VOLATILE COMPOUNDS AND USE OF SAME IN A SINTERING METHOD

#39
20190185626
2019-06-20

Aromatic polysulfone and aromatic polysulfone composition

#40
20190185625
2019-06-20

Aromatic polysulfone and aromatic polysulfone composition

#41
20190099519
2019-04-04

METHOD FOR PRODUCING NANOSURFACES WITH NANO, MICRON, AND/OR SUBMICRON STRUCTURES ON A POLYMER

#42
20190085134
2019-03-21

Desalination of polyaryl ethers by means of melt extraction

#43
20190077911
2019-03-14

Purification of poly ether ketone ketone by centrifugal filtration

#44
20180371192
2018-12-27

Films and membranes of poly(aryl ketones) and methods of casting the same from solution

#45
20180362711
2018-12-20

Method for isolating a phenylene ether oligomer composition and phenylene ether oligomer composition

#46
20180319934
2018-11-08

PRODUCTION PROCESS FOR DIGLYCIDYL-CAPPED POLYALKYLENE GLYCOLS WITH IN-SITU REMOVAL OF 1,4-DIOXANE

#47
20180201783
2018-07-19

Polymer powder and method of preparing the same

#48
20180200922
2018-07-19

Polymer powder and method of using the same

#49
20180186931
2018-07-05

Hetero type monodispersed polyethylene glycol, intermediate for production of hetero type monodispersed polyethylene glycol, methods for producing same, and hetero type monodispersed polyethylene glycol conjugate

#50
20180155496
2018-06-07

PEEK/NANO-HA composites for SLS and preparation methods thereof

#51
20180009944
2018-01-11

Desalination of polyaryl ethers by means of melt extraction

#52
20170355821
2017-12-14

Method for the manufacture of poly(aryl ethers) using at least one organic base

#53
20170313818
2017-11-02

Process for preparing polymers

#54
20170312938
2017-11-02

Process for densification of poly(arylene ether ketone) powders

#55
20170275424
2017-09-28

Method for producing polyphenylene ether

#56
20170253698
2017-09-07

Polyether polyol, method for producing polyether polyol, polyester elastomer and polyurethane

#57
20170190836
2017-07-06

Surface-treated polymeric particles, slurry containing the same, and use thereof

#58
20160340546
2016-11-24

Process for preparing polyphenylene ether microspore dispersion

#59
20160325014
2016-11-10

Method for producing nanosurfaces with nano, micron, and/or submicron structures on a polymer

#60
20160304714
2016-10-20

Method of producing fine particles of non-vinyl thermoplastic polymer

#61
20160215105
2016-07-28

Division of a polyarylene ether solution

#62
20160208056
2016-07-21

Division of a polyarylene ether solution

#63
20160159990
2016-06-09

Division of a polyarylene ether solution

#64
20160102174
2016-04-14

Low molecular weight polyphenylene ether prepared without solvents

#65
20160075825
2016-03-17

Method for the purification of poly(arylene ethers)

#66
20150291790
2015-10-15

Method for preparing a composition comprising perfluoropolyether having a hydroxyl group at one terminal

#67
20150240021
2015-08-27

Powder for layerwise manufacturing of objects

#68
20150038667
2015-02-05

Poly(phenylene ether) copolymer and method of making

#69
20140275635
2014-09-18

Process for enriching the difunctional content of (per) fluopolyether mixtures

#70
20140088234
2014-03-27

Films and membranes of poly (aryl ketones) and methods of casting the same from solution

#71
20130345345
2013-12-26

Process for making particulate-free poly(phenylene ether) compositions and photovoltaic backsheet materials derived therefrom

#72
20130337263
2013-12-19

Aromatic polyethersulfone microparticles having narrow particle diameter distribution index

#73
20130225783
2013-08-29

Poly(phenylene ether) process

#74
20120277399
2012-11-01

Method of separating a poly(arylene ether) composition from a solvent, and poly(arylene ether) composition prepared thereby

#75
20120259086
2012-10-11

Cyclic polyphenylene ether ether ketone composition and method for producing the same

#76
20120147728
2012-06-14

High density data storage medium, method and device

#77
20120106314
2012-05-03

High density data storage medium, method and device

#78
20110301320
2011-12-08

Method of purifying a polymer

#79
20110301319
2011-12-08

Method of purifying a polymer

#80
20110275766
2011-11-10

Morpholine-substituted poly(arylene ether) and method for the preparation thereof

#81
20110178237
2011-07-21

Polyether ether ketone, and method for purification of polymer material

#82
20110172361
2011-07-14

METHODS FOR SYNTHESIZING POLYTRIMETHYLENE ETHER GLYCOL AND COPOLYMERS THEREOF

#83
20110160421
2011-06-30

Process for formation of poly(arylene ethers) with lower fine particle content

#84
20110128840
2011-06-02

High density data storage medium, method and device

#85
20110118508
2011-05-19

Process of producing polyglycerol from crude glycerol

#86
20110112331
2011-05-12

Method for phase separation of polytrimethylene ether glycol in salt solution

#87
20110070442
2011-03-24

Method for producing polymer fine particle comprising contacting an emulsion with a poor solvent

#88
20110003962
2011-01-06

Morpholine-substituted poly(arylene ether) and method for the preparation thereof

#89
20100324261
2010-12-23

Highly functional polyetherols and the production and use thereof

#90
20100316929
2010-12-16

AQUEOUS FORMULATIONS COMPRISING POLYAROMATIC COMPOUNDS BEARING ACID GROUPS AND/OR SALTS OF ACID GROUPS, PROCESS FOR PRODUCING THEM, FURTHER FORMULATIONS PRODUCED USING THE AQUEOUS FORMULATIONS AND USE OF THE FURTHER FORMULATIONS IN FUEL CELLS

#91
20100284264
2010-11-11

High density data storage medium, method and device

#92
20100267994
2010-10-21

PROCESSES FOR PREPARING POLYTRIMETHYLENE GLYCOL USING ION EXCHANGE RESINS

#93
20100261932
2010-10-14

Polytrimethylene ether glycol esters

#94
20100204439
2010-08-12

PROCESSES FOR MAKING POLY(TRIMETHYLENE ETHER) GLYCOL USING ORGANOPHOSPHOROUS COMPOUND

#95
20100204436
2010-08-12

Process for preparing poly(trimethylene ether) glycol and copolymers thereof

#96
20090215957
2009-08-27

Process for reducing color of a polyglycerol

#97
20090176962
2009-07-09

Process for the production of phenylene ether oligomer

#98
20090018303
2009-01-15

Process for producing low-molecular polyphenylene ether

#99
20080319161
2008-12-25

Method of purifying a polymer

#100
20080246173
2008-10-09

Method of separating a poly(arylene ether) composition from a solvent, and poly(arylene ether) composition prepared thereby

#101
20080242831
2008-10-02

Lower-color polytrimethylene ether glycol using zero-valent metals

#102
20080242830
2008-10-02

Lower-color polytrimethylene ether glycol using hydride compounds

#103
20080205253
2008-08-28

High density data storage medium, method and device

#104
20080187753
2008-08-07

Purified polymeric materials and methods of purifying polymeric materials

#105
20080185343
2008-08-07

Method for separating an organic phase from an electrolyte-containing aqueous and organic phase

#106
20080175134
2008-07-24

High density data storage medium, method and device

#107
20080161527
2008-07-03

High density data storage medium, method and device

#108
20080159114
2008-07-03

HIGH DENSITY DATA STORAGE MEDIUM, METHOD AND DEVICE

#109
20080108845
2008-05-08

Polytrimethylene ether glycol esters

#110
20080097069
2008-04-24

POLY(ARYLENE ETHER) METHOD AND COMPOSITION

#111
20080085990
2008-04-10

Method for Producing Polyarylene Ether Ketones

#112
20080021175
2008-01-24

COMPOSITIONS AND METHODS FOR POLYMER COMPOSITES

#113
20070299243
2007-12-27

POLY(ARYLENE ETHER) PROCESS AND COMPOSITION

#114
20070299205
2007-12-27

Poly(arylene ether) fractionation method

#115
20070276164
2007-11-29

Processes for reducing color in polytrimethylene ether glycol polymers

#116
20070265415
2007-11-15

Process for preparing polyarylene ether ketone

#117
20070225479
2007-09-27

METHOD OF SEPARATING A POLYMER FROM A SOLVENT

#118
20070173669
2007-07-26

Manufacture of polytrimethylene ether glycol

#119
20070106051
2007-05-10

Polyfunctional poly(arylene ether) method

#120
20070106000
2007-05-10

Polymer blend and method for its isolation

#121
20070066854
2007-03-22

Preparation of polytrimethylene ether glycol and copolymers thereof

#122
20060069290
2006-03-30

Processes for removal of color bodies from polytrimethylene ether glycol polymers

#123
20060069229
2006-03-30

Method for the preparation of a poly(arylene ether), and related compositions

#124
20060065600
2006-03-30

Processes for recovering oligomers of glycols and polymerization catalyst from waste streams

#125
20050283028
2005-12-22

Process for preparation of polytrimethylene ether glycols

#126
20050250932
2005-11-10

Purified polymeric materials and methods of purifying polymeric materials

#127
20050234219
2005-10-20

Method of separating a polymer from a solvent

#128
20050234218
2005-10-20

Method of separating a polymer from a solvent

#129
20050131108
2005-06-16

Method for precipitation of polyphenylene ether

#130
20050064129
2005-03-24

Purified polymeric materials and methods of purifying polymeric materials

#131
20050049394
2005-03-03

Method of separating a polymer from a solvent

#132
20050049393
2005-03-03

Method of separating a polymer from a solvent

#133
20050049362
2005-03-03

Methods of preparing a polymeric material composite

#134
20050049333
2005-03-03

Methods of preparing a polymeric material

#135
20050046070
2005-03-03

Methods of purifying polymeric material

#136
20050004340
2005-01-06

Polyketones