ClassID:

98620

C08G2/28 - CPC Classification

Classification description:

Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances Post-polymerisation treatments

Recent Application in this class:
#1
20250243309
2025-07-31

NITROGEN-CONTAINING COMPOUNDS AND PREPARATION METHOD THEREOF, ANIONIC RESIN, AND ANIONIC EXCHANGE MEMBRANE

#2
20220033559
2022-02-03

Ammonia and ammonium hydroxide stabilizers for paraformaldehyde

#3
20210292461
2021-09-23

METHOD FOR THE PRODUCTION OF STABLE POLYOXYMETHYLENE COPOLYMERS (CPOM)

#4
20210079150
2021-03-18

Process for removal of volatile compounds from tackifiers

#5
20200216598
2020-07-09

Process for producing oxymethylene copolymer

#6
20180265617
2018-09-20

Process for production of oxymethylene copolymer

#7
20170114176
2017-04-27

Method for producing polyacetal copolymer

#8
20170073451
2017-03-16

Process for producing polyacetal copolymer

#9
20160280852
2016-09-29

Production method for polyacetal copolymer

#10
20150112018
2015-04-23

Method for producing oxymethylene copolymer

#11
20140364652
2014-12-11

Method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a slurry bed

#12
20120208011
2012-08-16

Polyoxymethylene laser sintering powder, process for its production, and moldings produced from this laser sintering powder

#13
20100004409
2010-01-07

METHOD FOR PRODUCING POLYOXYMETHYLENES WITH CERTAIN DEACTIVATORS

#14
20090062503
2009-03-05

Process for producing polyoxymethylene copolymer

#15
20080271381
2008-11-06

Method for manufacturing stabilized polyacetal resin, stabilized polyacetal resin, stabilized polyacetal resin composition, and molded article of stabilized polyacetal resin

#16
20080234459
2008-09-25

Process for Preparing Polyoxymethtylene Homopolymers or Copolymers

#17
20080214748
2008-09-04

Method for Removing Residual Monomers from Polyoxymethylenes

#18
20080009594
2008-01-10

Basic deactivators for POM production