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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 8/24 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

  1. LG CHEM KR 15,432
  2. DOW GLOBAL TECHNOLOGIES US 14,214
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
  5. FUJIFILM JP 6,178
  6. CHINESE ACADEMY OF SCIENCES 5,569
  7. SHIN-ETSU CHEMICAL COMPANY JP 5,506
  8. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
  9. TORAY INDUSTRIES JP 4,635
  10. NITTO DENKO CORPORATION JP 4,620