ClassID:

99502

C08G65/3312 - 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 oxygen containing a hydroxy group acyclic

Recent Application in this class:
#1
20260008887
2026-01-08

LIPIDS CONJUGATED WITH POLY(ETHYLENE OXIDE) HAVING C1 TO C3-ALKYLOXYMETHYL SIDE CHAINS

#2
20250354079
2025-11-20

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM

#3
20250349317
2025-11-13

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

#4
20250297186
2025-09-25

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

#5
20250297185
2025-09-25

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

#6
20250297184
2025-09-25

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIA, AND MAGNETIC RECORDING MEDIUM

#7
20250197564
2025-06-19

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

#8
20240386913
2024-11-21

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

#9
20240132664
2024-04-25

FLUOROPOLYETHER COMPOUND, LUBRICANT, MAGNETIC DISK, AND METHOD FOR PRODUCING FLUOROPOLYETHER COMPOUND

#10
20240034951
2024-02-01

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

#11
20230399464
2023-12-14

CURABLE COMPOSITION, AND CURED PRODUCT

#12
20230357501
2023-11-09

POLYETHYLENE GLYCOL DERIVATIVE, COMPOSITION COMPRISING SAME, AND METHOD FOR PREPARING BIOACTIVE POLYPEPTIDE CONJUGATE BY USING SAME

#13
20230090239
2023-03-23

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

#14
20220356351
2022-11-10

HYDROPHOBICALLY MODIFIED ALKYLENE OXIDE POLYMER MIXTURE

#15
20220259513
2022-08-18

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

#16
20210388160
2021-12-16

Polyethylene glycol-functionalized triglyceride polyol polymers

#17
20210371588
2021-12-02

Alkoxylated Polycarboxylic Acid Amides

#18
20210339212
2021-11-04

A METHOD OF DISPERSING FINE PARTICLES IN AN AQUEOUS OR POLAR SOLVENT

#19
20210071165
2021-03-11

Spontaneous nucleic acid purification and concentration in a single step

#20
20200079903
2020-03-12

Production method of polyoxyethylene derivative having plurality of hydroxyl groups at terminal

#21
20200079902
2020-03-12

(Per)fluoropolyether polymers

#22
20190040196
2019-02-07

Method for preparing polyethylene glycol dialdehyde derivative

#23
20190016856
2019-01-17

MULTI-ARMED POLYETHYLENE GLYCOL AND ACTIVE DERIVATIVE THEREOF

#24
20180362712
2018-12-20

Y-type discrete polyethylene glycol derivative and preparation method thereof

#25
20180362710
2018-12-20

Amine polymer and preparation method and use thereof

#26
20180346644
2018-12-06

Amino derivatives of perfluoropolyethers

#27
20180312466
2018-11-01

Branched hetero polyethylene glycol and intermediate

#28
20180072830
2018-03-15

Fluorinated compound, curable composition and cured product

#29
20170319705
2017-11-09

Amphotericin B derivatives

#30
20170043029
2017-02-16

Amphotericin B derivatives

#31
20170032813
2017-02-02

Ionic perfluoropolyether lubricant

#32
20160220683
2016-08-04

Semi-solid delivery systems

#33
20130252982
2013-09-26

Biocide compositions comprising alkoxylation products of isoamyl alcohol derivatives

#34
20120077988
2012-03-29

Branched hetero polyethylene glycol and intermediate

#35
20110318646
2011-12-29

Ductile polymer binders and battery components using the same

#36
20110224354
2011-09-15

Pigment preparations comprising nonionic surface-active additives

#37
20110071262
2011-03-24

Method for preparing high-purity polyethyleneglycol aldehyde derivatives

#38
20110015107
2011-01-20

(Per)fluorinated addition products

#39
20110003010
2011-01-06

Phosphoric acid esters containing phosphorus atoms bridged by diol units

#40
20100310483
2010-12-09

Compositions Comprising Phosphoric Acid Ester And Hydrophobically Modified, Crosslinked Anionic Polymers

#41
20100260696
2010-10-14

Aqueous Compositions Containing Alkoxylated Phosphoric Acid Triesters

#42
20100240930
2010-09-23

Process for the manufacture of polyol perfluoropolyether derivative

#43
20090324720
2009-12-31

Biocompatible crosslinked hydrogels, drug-loaded hydrogels and methods of using the same

#44
20090286940
2009-11-19

Hyperbranched polyether polyol and urethane resin composition

#45
20090030226
2009-01-29

Process for preparing aminobenzoate esters

#46
20050272948
2005-12-08

Acetylene alcohols having a fluoroalkyl group and methods for preparing the same