ClassID:

99500

C08G65/331 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring; Polymers modified by chemical after-treatment with organic compounds containing oxygen

Sub-classes:
Recent Application in this class:
#1
20250354078
2025-11-20

OXIDATION RESISTANCE OF LUBRICANT WITH MODIFIED EPOXIDE-BASED LINKAGES

#2
20250092195
2025-03-20

FLUOROPOLYETHER GROUP-CONTAINING COMPOUND

#3
20240274875
2024-08-15

Polymer, polymer electrolyte and lithium ion battery

#4
20240059903
2024-02-22

PHOTOINITIATOR RESINS WITH DIBENZOYLMETHANE SUBSTRUCTURE

#5
20230303770
2023-09-28

POLYOL COMPOUNDS AND ADHESIVE COMPOSITIONS PREPARED WITH THE SAME

#6
20230036829
2023-02-02

MACROMER AND PROCESS FOR MAKING POLYMER POLYOLS

#7
20220177647
2022-06-09

Fluoropolyether group-containing compound

#8
20220118100
2022-04-21

MONOFUNCTIONAL BRANCHED POLYETHYLENE GLYCOL AND MODIFIED BIO-RELATED SUBSTANCE THEREOF

#9
20220081558
2022-03-17

Dispersing agent

#10
20220081513
2022-03-17

POLYALKYLENE GLYCOL COMPOUND

#11
20220081512
2022-03-17

Polymeric alpha-hydroxy aldehyde and ketone reagents and conjugation method

#12
20220081511
2022-03-17

(Per)fluoropolyether (PFPE) polymers

#13
20220049176
2022-02-17

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

#14
20210340457
2021-11-04

Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium

#15
20210284797
2021-09-16

Polyoxyalkylene polymer and curable composition

#16
20210277179
2021-09-09

Polymeric polyoxazolines

#17
20210024778
2021-01-28

(Per)fluoropolyether derivatives

#18
20210024693
2021-01-28

Alkoxylation methods

#19
20210024692
2021-01-28

Method for producing multi-arm type polyethylene glycol derivative

#20
20200377646
2020-12-03

Solid-solid phase-change materials

#21
20200354518
2020-11-12

Polymeric alpha-hydroxy aldehyde and ketone reagents and conjugation method

#22
20200017680
2020-01-16

BIODEGRADABLE POLYMER

#23
20200010619
2020-01-09

Magnetic recording medium, fluorine-containing ether compound and lubricant for magnetic recording medium

#24
20190382675
2019-12-19

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

#25
20190359777
2019-11-28

Polyethers based on oxetanes for use as wetting agents and as dispersants and production thereof

#26
20190276705
2019-09-12

(Per)fluoropolyether derivatives

#27
20190247294
2019-08-15

Cleavable surfactant

#28
20190241704
2019-08-08

Method for manufacturing polyalkoxylated polymers

#29
20190185618
2019-06-20

Polymeric polyoxazolines

#30
20190100879
2019-04-04

Polyalkylene glycol based reagent with aldehyde end groups suitable for making cellulosic fibers with modified morphology

#31
20190059365
2019-02-28

COMPOSITION AND METHOD FOR RETENTION OF SOLVATED COMPOUNDS AND ION

#32
20190040196
2019-02-07

Method for preparing polyethylene glycol dialdehyde derivative

#33
20190010286
2019-01-10

Preparation method for polymer and applications thereof

#34
20190008830
2019-01-10

Micellar polymer-flavonoid conjugate nanocomplex

#35
20190002634
2019-01-03

Process for the preparation of polyether polyols

#36
20180362710
2018-12-20

Amine polymer and preparation method and use thereof

#37
20180342386
2018-11-29

Photosensitive resin composition, photosensitive, sheet, semiconductor device and method for manufacturing semiconductor device

#38
20180327546
2018-11-15

Polymeric alpha-hydroxy aldehyde and ketone reagents and conjugation method

#39
20180312633
2018-11-01

Lipid derivative in which hydrophilic polymer is bound through cyclic benzylidene acetal linker

#40
20180298143
2018-10-18

Hydrophilic polymer derivative having benzylidene acetal linker

#41
20180154337
2018-06-07

Catalyst for alkylation of polyalkylene glycol and alkylation method using the same

#42
20180000957
2018-01-04

Formulations and carrier systems including farnesylthiosalicylic moieties

#43
20170342212
2017-11-30

Tailorable viscoelastic properties of PEG-hemiaminal organogel networks

#44
20170332626
2017-11-23

Composition and method for retention of solvated compounds and ions

#45
20170258926
2017-09-14

Micellar nanocomplex

#46
20170204223
2017-07-20

POLYALKOXY-POLYIMINE ADDUCTS FOR USE IN DELAYED RELEASE OF FRAGRANCE INGREDIENTS

#47
20170158804
2017-06-08

Method for producing polyether carbonate polyols

#48
20170130073
2017-05-11

ICI THICKENER COMPOSITION AND USES

#49
20170106100
2017-04-20

Cyclodextrins with one or more poly(ethylene glycol) units, inclusion compounds and drug delivery vehicles including the same, and methods of making and using the same

#50
20170051107
2017-02-23

Mixed alkyl terminated polyether dendrons

#51
20170044314
2017-02-16

Polymer having terminal structure including plurality of reactive silicon groups, method for manufacturing same, and use for same

#52
20160379742
2016-12-29

POSS-containing in-situ composite nanogel with magnetic responsiveness and method for preparing the same

#53
20160326381
2016-11-10

Method for producing binder resin, method for producing resin composition, binder resin, and resin composition

#54
20160319072
2016-11-03

Additive for rheology improvement of inorganic binders

#55
20160276706
2016-09-22

Solid polymer electrolyte composition

#56
20160272912
2016-09-22

Use of a polyalkylene glycol to reduce fuel consumption

#57
20160271267
2016-09-22

Alkynyl multi-arm polyethylene glycol derivative

#58
20160271116
2016-09-22

Polyethylene glycol-cactus oligopeptide bonding rapamycin derivatives

#59
20160264899
2016-09-15

Use of an alkoxylated polytetrahydrofuran to reduce fuel consumption

#60
20160264730
2016-09-15

Production method of medical polyoxypropylene polymer and production method of medical polyoxypropylene/polyoxyethylene block copolymer

#61
20160227767
2016-08-11

Composition and method for retention of solvated compounds and ions

#62
20160222243
2016-08-04

Additives to improve open-time and freeze-thaw characteristics of water-based paints and coatings

#63
20160200867
2016-07-14

ALKOXYLATION METHODS

#64
20160075675
2016-03-17

Nonionic surfactant and method for producing nonionic surfactant

#65
20160046763
2016-02-18

Hydrophilic polymer derivative having benzylidene acetal linker

#66
20150329453
2015-11-19

Process for the alkoxylation of (per) fluoropolyether alcohols

#67
20150322213
2015-11-12

NCO-modified polyoxymethylene block copolymers

#68
20150307676
2015-10-29

Polyurethane scorch inhibitor

#69
20150299390
2015-10-22

Polymers of [4-(methylether)-1,3-dioxolane-2-one of polyether polyol]

#70
20150247003
2015-09-03

Terminally modified polyoxyalkylene glycol and polycarbonate resin composition having improved optical characteristics comprising the same

#71
20150231271
2015-08-20

Formulations and carrier systems including farnesylthiosalycylic moities

#72
20150159317
2015-06-11

Processes and compositions for dyeing or finishing fibrous materials

#73
20150133622
2015-05-14

Polymer having terminal structure including plurality of reactive silicon groups, method for manufacturing same, and use for same

#74
20150101978
2015-04-16

Composition and method for retention of solvated compounds and ions

#75
20150065630
2015-03-05

ICI thickener composition and uses

#76
20140296541
2014-10-02

Orthoester compound

#77
20140221292
2014-08-07

Polyionic dendrimer and hydrogel comprising same

#78
20140179894
2014-06-26

Process for preparing branched polyethercarbonates and use thereof

#79
20140107245
2014-04-17

PROCESS FOR THE PREPARATION OF POLYETHER POLYOLS

#80
20140039167
2014-02-06

Polymer derivatives comprising an acetal or ketal branching point

#81
20140011946
2014-01-09

Stabilizers for improved open time of aqueous coatings

#82
20130331539
2013-12-12

Process for producing polycondensation product

#83
20130115466
2013-05-09

Photo-curing of thermoplastic coatings

#84
20130072691
2013-03-21

Membrane enhanced polymer synthesis

#85
20120209027
2012-08-16

Method for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid

#86
20120107720
2012-05-03

Self-supporting dynamic polymer membrane, and uses

#87
20120101041
2012-04-26

POLYIONIC DENDRIMER AND HYDROGEL COMPRISING SAME

#88
20110230618
2011-09-22

Polymeric alpha-hydroxy aldehyde and ketone reagents and conjugation method

#89
20110226155
2011-09-22

Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants

#90
20110207969
2011-08-25

PROCESS FOR MAKING POLYOL ETHERS

#91
20110124844
2011-05-26

Selective and specific preparation of discrete PEG compounds

#92
20110118200
2011-05-19

Pegylated and fatty acid grafted chitosan oligosaccharide, synthesis method and application for drug delivery system

#93
20110053276
2011-03-03

MOLECULAR INDICATOR AND PROCESS OF SYNTHESIZING

#94
20100292432
2010-11-18

POLYMERS FOR POLYNUCLEOTIDE ENCAPSULATION

#95
20100204177
2010-08-12

Process for preparing thermosensitive (poly(ethylene oxide) poly(propylene oxide)) derivatives that can be used to functionalize chitosan

#96
20100191325
2010-07-29

Coating compositions and coatings for medical devices containing PEGylated hyaluronic acid and a PEGylated non-hyaluronic acid polymer

#97
20100189758
2010-07-29

Merhods of treatment with devices having a coating containing pegylated hyaluronic acid and a pegylated non-hyaluronic acid polymer

#98
20100119833
2010-05-13

PHOTO-CURING OF THERMOPLASTIC COATINGS

#99
20100105946
2010-04-29

Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)

#100
20100099837
2010-04-22

Fluorinated polyoxyalkylene glycol diester surfactants

#101
20100076163
2010-03-25

Method for the homogeneously catalyzed production of terminal group-capped polyethers

#102
20100056543
2010-03-04

POSACONAZOLE POLYMER CONJUGATES AND METHODS OF TREATMENT USING POSACONAZOLE AND POLYMER CONJUGATES THEREOF

#103
20100049146
2010-02-25

Coatings prepared from poly(ethylene oxide) and photo-initator-containing scaffolds

#104
20090264600
2009-10-22

Method for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid

#105
20090253860
2009-10-08

Emulsifiers for epoxy resins

#106
20090234049
2009-09-17

Hydrophobic linear polyrotaxane molecule and crosslinked polyrotaxane

#107
20090209710
2009-08-20

Method of modifying a macromolecular system

#108
20090209677
2009-08-20

Ultraviolet-curable resin composition containing a polyfunctional oxetanyl group

#109
20090162313
2009-06-25

High-molecular weight conjugate of podophyllotoxins

#110
20090137829
2009-05-28

Methods for Preparation and Use of Strong Base Catalysts

#111
20080299069
2008-12-04

Polymer derivatives comprising an acetal or ketal branching point

#112
20080293827
2008-11-27

Temperature and pH sensitive block copolymer and polymeric hydrogels using the same

#113
20080178763
2008-07-31

Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants

#114
20080171013
2008-07-17

Posaconazole polymer conjugates and methods of treatment using posaconazole and polymer conjugates thereof

#115
20080138639
2008-06-12

POLYETHER CARBAMATE COMPOUNDS, COMPOSITIONS CONTAINING SUCH COMPOUNDS, AND METHODS RELATED THERETO

#116
20080039548
2008-02-14

Moisture activated latent curing adhesive or sealant

#117
20070249780
2007-10-25

Stabilizers for improved open time of aqueous coatings

#118
20070237803
2007-10-11

Biodegradable Biocompatible Amphiphilic Copolymers for Coating and Manufacturing Medical Devices

#119
20070207181
2007-09-06

Coating containing PEGylated hyaluronic acid and a PEGylated non-hyaluronic acid polymer

#120
20070167606
2007-07-19

Polyethylene glycol aldehydes

#121
20070166277
2007-07-19

Polymeric reagents comprising a ketone or a related functional group

#122
20070049763
2007-03-01

Methods for preparation and use of strong base catalysts

#123
20060193823
2006-08-31

Hydrolytically degradable carbamate derivatives of poly (ethylene glycol)

#124
20060128663
2006-06-15

Aryl boronate functionalized polymers for treating obesity

#125
20060127899
2006-06-15

Active carbohydrate containing protecting reagents for chemical modifications, their production and use

#126
20060020134
2006-01-26

Selective and specific preparation of discrete PEG compounds

#127
20050249956
2005-11-10

Stain repellent optical hard coating

#128
20050249940
2005-11-10

Fluoropolyether poly(meth)acryl compounds

#129
20050147583
2005-07-07

Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)

#130
20050080206
2005-04-14

Process for the preparation of activated polyethylene glycols

#131
20050065291
2005-03-24

Polyether carbamate compounds, compositions containing such compounds, and methods related thereto

#132
20050036978
2005-02-17

Method for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid

#133
20050031576
2005-02-10

Polymeric reagents comprising a ketone or a related functional group