IPC Subgroup
C08G 8/08 of formaldehyde, e.g. of formaldehyde formed
Introduced: July 1974
Last revised: January 2006
Full Title
Condensation polymers of aldehydes or ketones with phenols only > of aldehydes > of formaldehyde, e.g. of formaldehyde formed
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- Subclass:
- MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Related Keywords
cashew nutshell oil RESIN(S)
7 direct subcodes
Child Classifications
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- C08G 8/1 with phenol
- C08G 8/12 with monohydric phenols having only one hydrocarbon substituent ortho or para to the OH group, e.g. p--butyl phenol
- C08G 8/14 with halogenated phenols
- C08G 8/16 with amino- or nitrophenols
- C08G 8/18 with phenols substituted by carboxylic or sulfonic acid groups
- C08G 8/2 with polyhydric phenols
- C08G 8/24 with mixtures of two or more phenols which are not covered by only one of the groups
Top Applicants
Top 10 applicants by patent filingsfor class C08, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 14,262
- DOW GLOBAL TECHNOLOGIES US 12,486
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
- CHINESE ACADEMY OF SCIENCES 6,993
- FUJIFILM JP 5,049
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
- SHIN-ETSU CHEMICAL COMPANY JP 4,517
- BOREALIS AT 4,213
- ARKEMA FR 4,098