ClassID:

99536

C08G65/3346 - 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 sulfur containing oxygen in addition to sulfur having sulfur bound to carbon and oxygen

Recent Application in this class:
#1
20260103564
2026-04-16

PERFLUOROPOLYETHER POLYMERS

#2
20250197564
2025-06-19

METHOD FOR PRODUCING POLYOXYETHYLENE DERIVATIVE, METHOD FOR QUANTITATING POLYOXYETHYLENE COMPOUND, AND LABELING REAGENT FOR ANALYSIS USE

#3
20240199899
2024-06-20

NEUTRALIZED MULTI-AMINE DISPERSANT COMPOSITIONS

#4
20240026076
2024-01-25

CURABLE COMPOUND PRODUCT

#5
20230220158
2023-07-13

IONOMERS WITH MACROCYCLIC MOIETIES FOR ION CONDUCTIVITY AND PERMSELECTIVITY

#6
20220162382
2022-05-26

PRODUCTION OF NANOPARTICLES AND MICROPARTICLES

#7
20210371589
2021-12-02

LIGNIN-BASED BLOCK COPOLYMER MOLECULAR-LEVEL COMBINED POLYETHER, PREPARATION METHOD THEREOF, AND APPLICATION IN PREPARING FLEXIBLE POLYURETHANE FOAM MATERIAL

#8
20200291178
2020-09-17

Hydrophilic polymer derivative having cyclic benzylidene acetal linker

#9
20200190106
2020-06-18

Chromene compound, curable composition comprising the compound, and optical article including a cured body of the curable composition

#10
20200181326
2020-06-11

Process for making polyether diols

#11
20200165392
2020-05-28

AROMATIC SULFONE POLYMERS COMPRISING (PER)FLUOROPOLYETHER SEGMENTS

#12
20190100619
2019-04-04

Process for the synthesis of (per)fluoropolyether amines

#13
20190062496
2019-02-28

METHOD FOR THE MANUFACTURE OF FLUORINATED POLYMERS AND POLYMERS OBTAINABLE THEREFROM

#14
20190040196
2019-02-07

Method for preparing polyethylene glycol dialdehyde derivative

#15
20190023841
2019-01-24

Methods of preparing and purifying polyalkylene glycol derivative

#16
20180371165
2018-12-27

Substoichiometric alkoxylated polyethers

#17
20180312631
2018-11-01

Zwitterionic derivatives of (per)fluoropolyethers

#18
20180282476
2018-10-04

Method of preparing carboxylic acid functionalized polymers

#19
20180112037
2018-04-26

Polymeric amine synergist

#20
20180072845
2018-03-15

Polymeric amine synergist compositions

#21
20180049982
2018-02-22

CYCLIC PEG COATINGS INCREASE THE BLOOD CIRCULATION TIME OF PARTICLES USED IN DRUG DELIVERY APPLICATIONS

#22
20170327641
2017-11-16

Mixtures of mono-, bi- and non-functional fluorinated polymers comprising a plurality of (per)fluoropolyether segments

#23
20170321031
2017-11-09

Polyarylethersulfone copolymers

#24
20170233533
2017-08-17

Self-restoring macromolecular material and production method for same

#25
20170073467
2017-03-16

Copolymers suitable for making membranes

#26
20160271266
2016-09-22

Multi-arm polyethylene glycol-azido derivative

#27
20160108178
2016-04-21

Block copolymers

#28
20160075850
2016-03-17

Polyarylethersulfone copolymers

#29
20150197623
2015-07-16

Oxygen scavenging compositions for plastic containers

#30
20140011946
2014-01-09

Stabilizers for improved open time of aqueous coatings

#31
20130281634
2013-10-24

Method of preparing carboxylic acid functionalized polymers

#32
20120073027
2012-03-29

Elastomeric composites with tether-containing, conducting polymers for nanoscale diffusion control

#33
20120041155
2012-02-16

Method of Preparing Carboxylic Acid Functionalized Polymers

#34
20120029104
2012-02-02

COMPOSITION COMPRISING STABLE POLYOL MIXTURES

#35
20110282093
2011-11-17

HETEROBIFUNCTIONAL POLYETHYLENE GLYCOL REAGENTS

#36
20110130539
2011-06-02

Method of preparing carboxylic acid functionalized polymers

#37
20110071262
2011-03-24

Method for preparing high-purity polyethyleneglycol aldehyde derivatives

#38
20100323452
2010-12-23

Process for purification of water soluble polymers

#39
20100288498
2010-11-18

Fluorinated polymer compositions and methods for treating hydrocarbon-bearing formations using the same

#40
20100261863
2010-10-14

Multibranched polyoxyalkylene compound and producing method thereof

#41
20100160688
2010-06-24

Linear amine functionalized poly(trimethylene ether) compositions

#42
20100160573
2010-06-24

Linear amine functionalized poly(trimethylene ether) compositions

#43
20100073847
2010-03-25

Tether-containing conducting polymers

#44
20090286938
2009-11-19

SYNTHESIS OF HYBRID BLOCK COPOLYMERS FROM DIFLUOROACETATE AMMONIUM SALTS

#45
20090246684
2009-10-01

Photosensitive compound and photoresist composition including the same

#46
20090203935
2009-08-13

Modified alkoxylated polyol compounds

#47
20090187037
2009-07-23

Synthesis of difunctional oxyethylene-based compounds

#48
20090142842
2009-06-04

Cleavable modifications to reducible poly(amido ethylenimine)s to enhance nucleotide delivery

#49
20080139854
2008-06-12

Process for the preparation of activated polythylene glycols

#50
20080015398
2008-01-17

Modified alkoxylated polyol compounds

#51
20080015334
2008-01-17

Modified alkoxylated polyol compounds

#52
20070249780
2007-10-25

Stabilizers for improved open time of aqueous coatings

#53
20060135391
2006-06-22

Modified alkoxylated polyol compounds

#54
20050228187
2005-10-13

Process for the preparation of activated polyethylene glycols

#55
20050214250
2005-09-29

Method of preparing carboxylic acid functionalized polymers