CPC Subgroup
C08G 8/08 of formaldehyde, e.g. of formaldehyde formed in situ
Full Title
Condensation polymers of aldehydes or ketones with phenols only > of aldehydes > of formaldehyde, e.g. of formaldehyde formed in situ
7 direct subcodes
Child Classifications
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- C08G 8/10 with phenol
- C08G 8/12 with monohydric phenols having only one hydrocarbon substituent ortho on para to the OH group, e.g. p-tert.-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 8/20 with polyhydric phenols
- C08G 8/24 with mixtures of two or more phenols which are not covered by only one of the groups C08G8/10 - C08G8/20
Top Applicants
Top 10 applicants by patent filingsfor class C08, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 15,432
- DOW GLOBAL TECHNOLOGIES US 14,214
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
- FUJIFILM JP 6,178
- CHINESE ACADEMY OF SCIENCES 5,569
- SHIN-ETSU CHEMICAL COMPANY JP 5,506
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
- TORAY INDUSTRIES JP 4,635
- NITTO DENKO CORPORATION JP 4,620