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DIFF Main Group
C08G 2/00

Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances

Introduced: July 1974

IPC and CPC are identically structured here. All 12 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 2/02 Polymerisation initiated by wave energy or by particle radiation since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/04 Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/06 Catalysts (Catalysts in general B01J) since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/08 Polymerisation of formaldehyde since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/10 Polymerisation of cyclic oligomers of formaldehyde since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/12 Polymerisation of acetaldehyde or cyclic oligomers thereof since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/14 Polymerisation of single aldehydes not provided for in groups C08G2/08 - C08G2/12 since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/16 Polymerisation of single ketones since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/28 Post-polymerisation treatments since 1974 IPC+CPC Available in IPC and CPC
  • C08G 2/38 Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds 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