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PCE
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DIFF Subgroup
C08G 8/08

of formaldehyde, e.g. of formaldehyde formed in situ

Introduced: July 1974

Title

Titles differ between systems:

IPC: of formaldehyde, e.g. of formaldehyde formed

CPC: of formaldehyde, e.g. of formaldehyde formed in situ

Full Title

Full titles differ between systems:

IPC:

Condensation polymers of aldehydes or ketones with phenols only > of aldehydes > of formaldehyde, e.g. of formaldehyde formed

CPC:

Condensation polymers of aldehydes or ketones with phenols only > of aldehydes > of formaldehyde, e.g. of formaldehyde formed in situ

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • C08G 8/10 with phenol since 1974 IPC+CPC Available in IPC and CPC
  • C08G 8/12 with monohydric phenols having only one hydrocarbon substituent ortho on para to the OH group, e.g. p-tert.-butyl phenol since 1974 IPC+CPC Available in IPC and CPC
  • C08G 8/14 with halogenated phenols since 1974 IPC+CPC Available in IPC and CPC
  • C08G 8/16 with amino- or nitrophenols since 1974 IPC+CPC Available in IPC and CPC
  • C08G 8/18 with phenols substituted by carboxylic or sulfonic acid groups since 1974 IPC+CPC Available in IPC and CPC
  • C08G 8/24 with mixtures of two or more phenols which are not covered by only one of the groups C08G8/10 - C08G8/20 since 1974 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C08,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 14,262
  2. DOW GLOBAL TECHNOLOGIES US 12,486
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
  4. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
  5. CHINESE ACADEMY OF SCIENCES 6,993
  6. FUJIFILM JP 5,049
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
  8. SHIN-ETSU CHEMICAL COMPANY JP 4,517
  9. BOREALIS AT 4,213
  10. ARKEMA FR 4,098

Top Applicants (CPC)

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