ClassID:

99467

C08G65/2648 - 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 Alkali metals or compounds thereof

Recent Application in this class:
#1
20260132252
2026-05-14

LIQUID POLYETHYLENE GLYCOLS

#2
20250136757
2025-05-01

A PROCESS FOR OBTAINING A POLYETHER POLYOL WITH A BIMODAL MOLECULAR WEIGHT DISTRIBUTION, FOR THE PRODUCTION OF FLEXIBLE POLYURETHANE FOAMS

#3
20230312823
2023-10-05

LOW FOAMING HYDRAULIC FLUIDS HAVING BIODEGRADABLE POLYALKYLENE GLYCOL RHEOLOGY MODIFIERS USEFUL IN SUBSEA APPLICATIONS

#4
20230303768
2023-09-28

High-molecular weight allyl alcohol polyoxyethylene polyoxypropylene ether and preparation method

#5
20230118672
2023-04-20

SUBSTITUTED POLY(ALKYLENE OXIDE) AND SURFACTANT COMPOSITION

#6
20230036829
2023-02-02

MACROMER AND PROCESS FOR MAKING POLYMER POLYOLS

#7
20220315697
2022-10-06

METHOD FOR PREPARING POLYETHER CARBONATE ALCOHOLS

#8
20220081506
2022-03-17

POLYETHER POLYCARBONATE DIOL AND METHOD FOR PRODUCING THE SAME

#9
20210371586
2021-12-02

Processes for producing aromatic diamine-initiated polyether polyols

#10
20210087334
2021-03-25

Preparation of alkylcyclohexanol polyoxyethylene ether emulsifier and application thereof

#11
20200377653
2020-12-03

Alkoxylated bio-oil polyol compositions

#12
20200283562
2020-09-10

Application of Mannich base in flame-retardant polyurethane material

#13
20200223982
2020-07-16

Catalyst for synthesizing polyethylene oxide polymer and synthesis method thereof

#14
20190161577
2019-05-30

Method for the preparation of polyoxyalkylene polyols

#15
20180273682
2018-09-27

Purification of crude polyalkylene oxide polymers with acid functionalized silicas and metal silicates

#16
20170362164
2017-12-21

Process for preparing a polyetheramine

#17
20170121458
2017-05-04

Alkoxylated bio-oil polyol compositions

#18
20160289380
2016-10-06

Zinc catalyst/additive system for the polymerization of epoxide monomers

#19
20150329669
2015-11-19

Process for preparing a macromonomer

#20
20140142345
2014-05-22

Alkoxylation of crude bisphenol A

#21
20140031443
2014-01-30

Process for producing polyether polyol, process for producing flexible polyurethane foam, and seat

#22
20130338331
2013-12-19

Method for the preparation of polyether polyols

#23
20130059936
2013-03-07

POLYOXYALKYLENE POLYOL, POLYMER-DISPERSED POLYOL, FLEXIBLE POLYURETHANE FOAM AND PRODUCTION PROCESS THEREOF

#24
20120251479
2012-10-04

Reduced-Odor Polyol Composition And Method Of Producing Same

#25
20110245414
2011-10-06

Copolymerizable (meth)acrylic acid esters

#26
20110237817
2011-09-29

Process for the preparation of acylated secondary alcohol alkoxylates and secondary alcohol alkoxylates

#27
20110224397
2011-09-15

PROCESS FOR PREPARING POLYOLS USING BASE CATALYSIS

#28
20110218322
2011-09-08

Polyalkylene glycol derivative and process for producing same

#29
20110144281
2011-06-16

AMPHIPHILIC POLYMERS HAVING A CHOLANE CORE

#30
20110118361
2011-05-19

NOVEL POLYMER PARTICLES AND USE THEREOF

#31
20110105714
2011-05-05

Method for producing polyols

#32
20110077434
2011-03-31

PROCESS FOR PRODUCING POLYOXYALKYLENE ALKYL ETHERS

#33
20110039904
2011-02-17

Alcohol alkoxylates, agents comprising the same and use of the alcohol alkoxylates as adjuvants in the agrochemical field

#34
20110021738
2011-01-27

METHOD FOR THE PRODUCTION OF POLYOLS

#35
20100331514
2010-12-30

PH-sensitive polyethylene oxide co-polymer and synthetic method thereof

#36
20100305254
2010-12-02

Surfactant composition for emulsion polymerization

#37
20100305018
2010-12-02

ESTERIFIED ALKYL ALKOXYLATES AS SOLID LOW-FOAM WETTERS

#38
20100288167
2010-11-18

LOW DIOL CONTENT MONOFUNCTIONAL ALKOXYPOLYALKYLENE GLYCOLS AND PROCESS FOR PRODUCING THEM

#39
20100286342
2010-11-11

Process for the alkoxylation of amino group containing polymers

#40
20100280202
2010-11-04

Vinyl alcohol-based polymer and film containing the same

#41
20100280140
2010-11-04

Thermally Insulating Isocyanate-Based Foams

#42
20100261863
2010-10-14

Multibranched polyoxyalkylene compound and producing method thereof

#43
20100234646
2010-09-16

Method For Producing (Poly) Glyceryl Ether

#44
20100216968
2010-08-26

Process for the preparation of polyether alcohols from unsaturated starters having active hydrogen atoms

#45
20100179240
2010-07-15

Process for producing flexible polyurethane foam, process for producing hot press molded product, and hot press molded product

#46
20100168450
2010-07-01

NOVEL BRANCHED ALKOXYLATES

#47
20100121111
2010-05-13

Alkoxylations of High Melting Point Substrates in Ketone Solvents

#48
20100036050
2010-02-11

CURABLE RESIN AND CURABLE COMPOSITION

#49
20100029861
2010-02-04

Polyoxyalkylene-polysiloxane block polymers, a process for preparing them and their use as defoamers in aqueous dispersions

#50
20100022732
2010-01-28

Polyether from ring-opening of glycidyl ether with (C2-C5 alkylene oxide) monohydric alcohol

#51
20090239964
2009-09-24

PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM

#52
20090227695
2009-09-10

Autocatalytic polyols

#53
20090082482
2009-03-26

Storage stable polyol blends containing n-pentane

#54
20090048420
2009-02-19

Process for the preparation of polyols

#55
20090005533
2009-01-01

Method for Producing Polyether Alcohols

#56
20080139758
2008-06-12

Polymerizable composition

#57
20080076947
2008-03-27

Method for producing pure α-alkoxy-Ω-hydroxy-polyalkylene glycols

#58
20070282079
2007-12-06

Alkoxylations in ketone solvents

#59
20060047109
2006-03-02

Alkoxylated sucrose esters composition

#60
20050177005
2005-08-11

Method for producing polyether alcohols

#61
20050096488
2005-05-05

Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates

#62
20050070670
2005-03-31

Adjuvants and copolymer compositions

#63
20050004327
2005-01-06

Curable resin composition