ClassID:

99442

C08G65/12 - 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 only; Cyclic ethers having no atoms other than carbon and hydrogen outside the ring; Saturated oxiranes characterised by the catalysts used containing organo-metallic compounds or metal hydrides

Recent Application in this class:
#1
20250109238
2025-04-03

POLYETHER POLYOL WITH REDUCED CONTENT OF PRIMARY HYDROXYL GROUPS, METHOD FOR MANUFACTURING THEREOF, USE THEREOF FOR MANUFACTURING OF POLYURETHANE, METHOD FOR MANUFACTURING OF POLYURETHANE, POLYURETHANE OBTAINABLE BY SAID METHOD, AND METHOD FOR REDUCING REACTIVITY OF POLYETHER POLYO

#2
20250032418
2025-01-30

POLYALKYLENE OXIDE, SOLID PREPARATION-USE COMPOSITION AND METHOD FOR MANUFACTURING SAME, AND CONTROLLED RELEASE PREPARATION-USE COMPOSITION

#3
20250019485
2025-01-16

NOVEL POLYETHER POLYOL BLENDS, A PROCESS FOR THEIR PREPARATION, FOAMS PREPARED FROM THESE POLYETHER POLYOL BLENDS AND A PROCESS FOR THEIR PREPARATION

#4
20230265243
2023-08-24

DUAL CATALYST SYSTEM FOR MASS VINYL ADDITION AND CATIONIC POLYMERIZABLE COMPOSITIONS

#5
20230088981
2023-03-23

Method for producing polyalkylene oxide and polyalkylene oxide

#6
20230082443
2023-03-16

Method for producing polyalkylene oxide

#7
20230050523
2023-02-16

In-situ formed polyether polyols, a process for their preparation, and a process for the preparation of polyurethane foams

#8
20230039276
2023-02-09

NOVEL POLYETHER POLYOL BLENDS, A PROCESS FOR THEIR PREPARATION, FOAMS PREPARED FROM THESE POLYETHER POLYOL BLENDS AND A PROCESS FOR THEIR PREPARATION

#9
20220259374
2022-08-18

Double metal cyanide catalyst for the production of polyether polyols and a process thereof

#10
20220112334
2022-04-14

Catalysts for ring opening polymerization

#11
20220033556
2022-02-03

DEGRADABLE POLYETHERS

#12
20210284797
2021-09-16

Polyoxyalkylene polymer and curable composition

#13
20200392285
2020-12-17

Polyether polyol and polyol system liquid

#14
20200255592
2020-08-13

Continuous process for making polyether polyols

#15
20200199292
2020-06-25

Product-to-product process for preparation of low viscosity polyoxyalkylene polyols

#16
20200115549
2020-04-16

HIGH MOLECULAR WEIGHT POLY(PHENYLENE ETHER) AND PROCESS FOR THE PREPARATION THEREOF

#17
20190322688
2019-10-24

Method for producing polyalkylene glycol derivative having amino group at end

#18
20190315916
2019-10-17

CONTINUOUS FLOW PROCESS FOR THE POLYMERIZATION OF AN ALKYLENE OXIDE

#19
20190315777
2019-10-17

Method for producing polyalkylene glycol derivative having amino group at end

#20
20190106649
2019-04-11

POLYETHER COMPOUND AND PRODUCTION METHOD THEREFOR

#21
20190023841
2019-01-24

Methods of preparing and purifying polyalkylene glycol derivative

#22
20180319934
2018-11-08

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

#23
20180319933
2018-11-08

Alkylene oxide polymer production method

#24
20180237586
2018-08-23

POLYETHER COMPOUND, VISCOSITY INDEX IMPROVER, LUBRICATING OIL COMPOSITION, AND PRODUCTION METHODS THEREFOR

#25
20180179334
2018-06-28

PROCESS FOR PREPARING DOUBLE METAL CYANIDE CATALYSTS AND THEIR USE IN POLYMERIZATION REACTIONS

#26
20180171073
2018-06-21

Method for cyclically preparing polyether polyol by using DMC catalyst

#27
20170355818
2017-12-14

METHOD FOR PRODUCING POLYALKYLENE GLYCOL, VISCOSITY INDEX IMPROVER, LUBRICATING OIL COMPOSITION, AND METHOD FOR PRODUCING LUBRICATING OIL COMPOSITION

#28
20170335061
2017-11-23

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

#29
20170306076
2017-10-26

Flexible foam using polymer polyols produced via DMC catalyzed polyols

#30
20170096527
2017-04-06

ALKYLENE OXIDE POLYMER PRODUCTION METHOD

#31
20160289381
2016-10-06

Zinc catalyst/additive system for the polymerization of epoxide monomers

#32
20160289380
2016-10-06

Zinc catalyst/additive system for the polymerization of epoxide monomers

#33
20160280853
2016-09-29

Zinc catalyst/additive system for the polymerization of epoxide monomers

#34
20160237367
2016-08-18

LUBRICANT COMPOSITION AND A METHOD TO LUBRICATE A MECHANICAL DEVICE

#35
20160215091
2016-07-28

Method for making poly(butylene oxide) polyols

#36
20160159831
2016-06-09

Method for producing polyalkylene glycol derivative having amino group at end

#37
20150376332
2015-12-31

Ethylene oxide/propylene oxide polyether polyols and polyurethanes made therefrom

#38
20150266997
2015-09-24

ETHYLENE OXIDE-CONTAINING COPOLYMERS AND METHODS THEREOF

#39
20140275313
2014-09-18

Method to increase the resistance of double metal cyanide catalysts to deactivation

#40
20140120349
2014-05-01

Polyalkylene oxide particles and production method for the same

#41
20140106171
2014-04-17

Polyalkylene oxide particles and production method for the same

#42
20130331544
2013-12-12

Organometallic catalyst and preparation thereof

#43
20130281724
2013-10-24

Diethylzinc composition, method for heat stabilization, and compound for heat stabilization

#44
20130082064
2013-04-04

Polyoxymethylene Compositions For Producing Containment Devices

#45
20120296125
2012-11-22

Alkoxylation products and process for preparing them by means of DMC catalysts

#46
20110319645
2011-12-29

Organometallic catalyst and preparation thereof

#47
20110318646
2011-12-29

Ductile polymer binders and battery components using the same

#48
20110112264
2011-05-12

PROCESS FOR PRODUCING POLYMERIZATION CATALYST OF ALKYLENE OXIDE AND POLY(ALKYLENE OXIDE)

#49
20100197873
2010-08-05

Highly active catalysts for alkylene oxide polymerization

#50
20100190955
2010-07-29

POLY(OXIRANE)S AND PROCESSES AND CATALYSTS FOR MAKING THEM

#51
20100144969
2010-06-10

ISOSELECTIVE POLYMERIZATION OF EPOXIDES

#52
20100120996
2010-05-13

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

#53
20090203875
2009-08-13

Process for purifying polyether

#54
20090023889
2009-01-22

PROCESS FOR PRODUCING ETHER POLYMER

#55
20080044731
2008-02-21

Material for solid polymer electrolyte, and polyether polymer and process for producing same

#56
20070173576
2007-07-26

Method for the anionic polymerization of oxirans

#57
20070117712
2007-05-24

CARBOXY-MODIFIED ALUMINUM-BASED CATALYST COMPOSITIONS

#58
20070100097
2007-05-03

Method for the anionic polymerisation of oxiranes

#59
20070043134
2007-02-22

Polymerisation initiators

#60
20060036066
2006-02-16

Polymerization catalyst composition for ethylene oxide and proces for the production of poly(ethylene oxide) with the same

#61
20050250867
2005-11-10

Polyurethane products including carboxy-modified aluminum-based catalysts

#62
20050234209
2005-10-20

Carboxy-modified aluminum-based catalyst compositions

#63
20050059798
2005-03-17

Polyether polymer and process for producing the same