ClassID:

98638

C08G8/18 - CPC Classification

Classification description:

Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed with phenols substituted by carboxylic or sulfonic acid groups

Recent Application in this class:
#1
20250282905
2025-09-11

FOAM PRODUCTS AND THEIR PRODUCTION

#2
20220098354
2022-03-31

Dispersion liquid, conductive film and production method thereof, electrode, and solar cell

#3
20190256734
2019-08-22

ADHESION PROMOTER FOR COATINGS ON METAL SURFACES

#4
20190077952
2019-03-14

Use of an esterified aromatic polyphenol derivative for the production of a phenol-aldehyde resin for reinforcement of a rubber composition

#5
20190041750
2019-02-07

Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and production method thereof, pattern forming method, resin, and purification method

#6
20190010090
2019-01-10

Polycondensate based water-reducer

#7
20170145142
2017-05-25

Resist material, resist composition and method for forming resist pattern

#8
20170144954
2017-05-25

Material for forming film for lithography, composition for forming film for lithography, film for lithography, pattern forming method and purification method

#9
20170025227
2017-01-26

Conductive polymer dispersion liquid, a conductive polymer, and use thereof

#10
20140211374
2014-07-31

Dispersion of electrically conductive polymer, and electrically conductive polymer and use thereof

#11
20110184104
2011-07-28

PROCESS FOR THE PREPARATION OF PHENOLSULFONIC ACID-ALDEHYDE CONDENSATES AND THE USE THEREOF AS DRYING AGENTS

#12
20090275666
2009-11-05

CONDENSATION PRODUCTS, METHOD FOR THEIR PRODUCTION AND USE THEREOF IN MEDICAMENTS, AS DISINFECTANTS OR AS A TANNIN

#13
20090258074
2009-10-15

MIXTURES OF TANNINS, THEIR PRODUCTION AND USE IN MEDICAMENTS OR AS DISINFECTANTS