Patents-Review.com
ClassID:

99440 ⎘

C08G65/10 - 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

Sub-classes:
Recent Application in this class:
#1
20250188218
2025-06-12

COPOLYMERIZATION REACTION PRODUCT OF TERAHYDROFURAN AND PLANT-DERIVED 2-METHYLTETRAHYDROFURAN, AND METHOD FOR PRODUCING THE SAME

 #2
20240180788
2024-06-06

PHOTOCATIONICALLY CURABLE COMPOSITION

 #3
20230340197
2023-10-26

SCHIFF BASE INCORPORATED DOUBLE METAL CYANIDE CATALYST FOR THE PRODUCTION OF POLYETHER POLYOLS

 #4
20230235119
2023-07-27

IMPROVED ALKOXYLATION PROCESS

 #5
20230079192
2023-03-16

METHOD FOR PRODUCING POLYALKYLENE OXIDE

 #6
20220145068
2022-05-12

Curable composition

 #7
20220081562
2022-03-17

HAZE-FREE POLYURETHANE FORMULATIONS

 #8
20210371645
2021-12-02

Synthesis and characterization of well defined poly(propylene fumarate) and poly (ethylene glycol) block copolymers

 #9
20210309801
2021-10-07

ETHYLENE OXIDE-BASED COPOLYMERS

 #10
20210221951
2021-07-22

Method for the production of polyether polyols

 #11
20200362106
2020-11-19

Direct synthesis of glycidyl azide polymers

 #12
20200199291
2020-06-25

Lewis acid polymerization catalyst

 #13
20200147262
2020-05-14

Gel of sodium hyaluronate cross-linked by polyethylene glycol epoxy derivative for injection and preparation method thereof

 #14
20200010617
2020-01-09

PROCESSES AND SYSTEMS FOR REMOVING WATER AND SALT FROM A NEUTRALIZED POLYETHER POLYOL

 #15
20180319933
2018-11-08

Alkylene oxide polymer production method

 #16
20170174834
2017-06-22

Process for the production of low molecular weight polyoxyalkylene polyols

 #17
20170036929
2017-02-09

Treatment of aqueous mineral suspensions with polymeric flocculants

 #18
20160369051
2016-12-22

Method for working up alkaline polyether polyols

 #19
20160369050
2016-12-22

Method for producing oxymethylene copolymer

 #20
20160289381
2016-10-06

Zinc catalyst/additive system for the polymerization of epoxide monomers

 #21
20160289380
2016-10-06

Zinc catalyst/additive system for the polymerization of epoxide monomers

 #22
20160280853
2016-09-29

Zinc catalyst/additive system for the polymerization of epoxide monomers

 #23
20150218306
2015-08-06

Method for preparing a polymer from at least one cyclic monomer

 #24
20150166724
2015-06-18

Process for preparing high molecular weight polymers by polymerizing epoxide monomers

 #25
20150141705
2015-05-21

Method for producing medium-molecular-weight polyalkyleneoxide

 #26
20140206829
2014-07-24

ISOSELECTIVE POLYMERIZATION OF EPOXIDES

 #27
20140120349
2014-05-01

Polyalkylene oxide particles and production method for the same

 #28
20140106171
2014-04-17

Polyalkylene oxide particles and production method for the same

 #29
20120259090
2012-10-11

Copolyether glycol manufacturing process

 #30
20120101308
2012-04-26

Method for the phosphine-initialized production of hyperbranched polyols

 #31
20120065363
2012-03-15

Catalytic conversion of sugars to polyethers

 #32
20110313128
2011-12-22

ISOTACTIC SPECIFIC CATALYST FOR DIRECT PRODUCTION OF HIGHLY ISOTACTIC POLY (PROPYLENE OXIDE) OR HIGHLY ISOTACTIC POLY (BUTYLENE OXIDE)

 #33
20110263469
2011-10-27

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

 #34
20110178338
2011-07-21

Polyalkylene glycol producing catalyst, and method for producing polyalkylene glycol using same

 #35
20110040070
2011-02-17

ISOTACTIC POLY(ALKYLENE OXIDE) AND PRODUCTION PROCESS THEREOF

 #36
20100267926
2010-10-21

Copolyether glycol manufacturing process

 #37
20100267905
2010-10-21

COPOLYETHER GLYCOL MANUFACTURING PROCESS

 #38
20100144969
2010-06-10

ISOSELECTIVE POLYMERIZATION OF EPOXIDES

 #39
20100015458
2010-01-21

Oxymethylene copolymer composition for stretching material, stretching material, structures, and process for producing the same

 #40
20090030174
2009-01-29

One-pot, one-step in situ living polymerization from silicate anchored multifunctional initiator

 #41
20080262164
2008-10-23

Isotactic specific catalyst for direct production of highly isotactic poly (propylene oxide) or highly isotactic poly (butylene oxide)

 #42
20080221302
2008-09-11

Catalyst and process for the polymerization of cyclic ethers

 #43
20080206647
2008-08-28

Ethylene oxide copolymer, polymer composition, and lithium secondary battery

 #44
20080161533
2008-07-03

Process and activated carbon catalyst for ring-opening polymerization

 #45
20080118666
2008-05-22

RADIATION CURABLE RESIN COMPOSITION FOR MAKING COLORED THREE DIMENSIONAL OBJECTS

 #46
20070173576
2007-07-26

Method for the anionic polymerization of oxirans

 #47
20070149631
2007-06-28

Base-catalyzed alkoxylation in the presense of polyoxyethylene-containing compounds

 #48
20070054218
2007-03-08

Radiation curable resin composition for making colored three dimensional objects

 #49
20070043138
2007-02-22

Resin composition for photofabrication of three dimensional objects

 #50
20060293501
2006-12-28

Isotactic specific catalyst for direct production of highly isotactic poly (propylene oxide) or highly isotactic poly (butylene oxide)

 #51
20050171255
2005-08-04

Resin composition for photofabrication of three dimensional objects

 #52
20050159629
2005-07-21

Process for production of polyols with hydroxide containing double metal cyanide (DMC) catalysts

 #53
20050142479
2005-06-30

Radiation curable resin composition for making colored three dimensional objects

 #54
20050049142
2005-03-03

Hydroxide containing double metal cyanide (DMC) catalysts

 #55
20050048650
2005-03-03

Heterofunctional copolymers of glycerol and polyethylene glycol, their conjugates and compositions

 #56
20050004344
2005-01-06

Process for producing polyether