ClassID:

99471

C08G65/266 - 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 from cyclic ethers and other compounds characterised by the catalyst used; Metals or compounds thereof, e.g. salts Metallic elements not covered by group  - , or compounds thereof

Recent Application in this class:
#1
20260109811
2026-04-23

COMPOSITION AND METHODS

#2
20250353957
2025-11-20

COMPOSITE CATALYST FOR CATALYZING POLYMERIZATION OF CYCLIC ETHERS, A PREPARATION METHOD AND A USE THEREOF

#3
20250084212
2025-03-13

SHAPE-MEMORY POLYMER COMPRISING 6-ARM STRUCTURE COMPOUND, AND USE THEREOF

#4
20250002648
2025-01-02

METHOD FOR PRODUCING THIOL GROUP-CONTAINING POLYETHER POLYMER

#5
20240247102
2024-07-25

POLYALKYLENE OXIDE ESTER POLYMER, ITS PREPARATION AND USE

#6
20240239958
2024-07-18

DEGRADABLE COPOLYMERS OF ENOL ETHERS WITH OLEFINIC MONOMERS

#7
20240117115
2024-04-11

POLY(CYCLIC ACETAL)S, METHODS OF MAKING SAME, AND USES THEREOF

#8
20230265243
2023-08-24

DUAL CATALYST SYSTEM FOR MASS VINYL ADDITION AND CATIONIC POLYMERIZABLE COMPOSITIONS

#9
20230069332
2023-03-02

PROCESS FOR PRODUCING POLYETHER CARBONATE POLYOLS

#10
20230062611
2023-03-02

COMPOSITION AND METHODS

#11
20220251283
2022-08-11

Lewis acid polymerization catalyst

#12
20210070920
2021-03-11

Process of manufacturing polyols

#13
20200354383
2020-11-12

Process of manufacturing polyols

#14
20200277436
2020-09-03

Process of manufacturing surfactants and lubricants

#15
20200239619
2020-07-30

Process of manufacturing polyols

#16
20200231738
2020-07-23

Process of manufacturing polyols

#17
20200199294
2020-06-25

Process of manufacturing surfactants and lubricants

#18
20200199291
2020-06-25

Lewis acid polymerization catalyst

#19
20190276454
2019-09-12

Spirocentric compounds and polymers thereof

#20
20190275469
2019-09-12

Functionalized membranes and methods of production thereof

#21
20190241704
2019-08-08

Method for manufacturing polyalkoxylated polymers

#22
20190136012
2019-05-09

Use of additives for increasing the tensile shear strength and composition containing a silane-functionalized prepolymer and additives

#23
20190112422
2019-04-18

Hybrid materials and process for production thereof

#24
20180319933
2018-11-08

Alkylene oxide polymer production method

#25
20180162995
2018-06-14

Continuous process for making polyether polyols having high polymerized ethylene oxide content using a double metal cyanide catalyst complex and a magnesium, group 3—group 15 metal or lanthanide series metal compound

#26
20170335061
2017-11-23

Isotactic polyethers and bimetallic catalysts, methods of making same, and uses thereof

#27
20170107241
2017-04-20

Salen complexes with dianionic counterions

#28
20170051106
2017-02-23

Polycarbonate polyol compositions and methods

#29
20170036929
2017-02-09

Treatment of aqueous mineral suspensions with polymeric flocculants

#30
20160289381
2016-10-06

Zinc catalyst/additive system for the polymerization of epoxide monomers

#31
20160289380
2016-10-06

Zinc catalyst/additive system for the polymerization of epoxide monomers

#32
20160280853
2016-09-29

Zinc catalyst/additive system for the polymerization of epoxide monomers

#33
20160280852
2016-09-29

Production method for polyacetal copolymer

#34
20150274882
2015-10-01

Method for preparing polyalkylenecarbonate

#35
20150175743
2015-06-25

Catalytic system for CO/epoxide copolymerization

#36
20150152221
2015-06-04

Polycarbonate polyol compositions and methods

#37
20140336354
2014-11-13

Salen complexes with dianionic counterions

#38
20140179895
2014-06-26

Polyethers, methods of making same, and uses thereof

#39
20140120349
2014-05-01

Polyalkylene oxide particles and production method for the same

#40
20140106171
2014-04-17

Polyalkylene oxide particles and production method for the same

#41
20130131308
2013-05-23

Catalytic system for CO/epoxide copolymerization

#42
20110305837
2011-12-15

Poly(ethylene glycol) and poly(ethylene oxide) by initiated chemical vapor deposition

#43
20110263469
2011-10-27

Poly (alkyl epdxides), process for making, and lubricant compositions having same

#44
20110207909
2011-08-25

Catalytic system of nitrate anions for CO/epoxide copolymerization

#45
20100324260
2010-12-23

Catalytic system for CO/epoxide copolymerization

#46
20100240864
2010-09-23

Method for changing the predefined mean molecular weight Mduring the continuous production of polytetrahydrofuranes or THF copolymers

#47
20100144969
2010-06-10

ISOSELECTIVE POLYMERIZATION OF EPOXIDES

#48
20100120996
2010-05-13

Method for producing crystalline polyoxyalkylene polyol, and resin obtained by using the same as raw material

#49
20090275784
2009-11-05

PROCESS FOR PRODUCING POLYGLYCERYL ETHER DERIVATIVE

#50
20090023889
2009-01-22

PROCESS FOR PRODUCING ETHER POLYMER

#51
20080167501
2008-07-10

High productivity alkoxylation processes

#52
20060247476
2006-11-02

PREPARATION OF EFFICIENT REPO AND LAPO CATALYSTS

#53
20060247124
2006-11-02

Polymerisation reaction and catalyst therefor

#54
20060135824
2006-06-22

Process for the alkoxylation of monools in the presence of metallo-organic framework materials

#55
20050245770
2005-11-03

Method for the production of polyetherols

#56
20050154238
2005-07-14

Preparation of efficient REPO and LAPO catalysts

#57
20050004404
2005-01-06

Process for the alkoxylation of monools in the presence of metallo-organic framework materials

#58
20050004344
2005-01-06

Process for producing polyether

#59
14975982
2017-02-07

Polyether carbonates by DMC catalysis