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DIFF Main Group
C08F 2/00

Processes of polymerisation

Introduced: July 1974

Of 15 combined children, 12 exist in both systems.

3 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • C08F 2/001 CPC only CPC only
  • C08F 2/008 CPC only CPC only
  • C08F 2/01 characterised by special features of the polymerisation apparatus used since 2000 IPC+CPC Available in IPC and CPC
  • C08F 2/02 Polymerisation in bulk since 1974 IPC+CPC Available in IPC and CPC
  • C08F 2/32 Polymerisation in water-in-oil emulsions since 1974 IPC+CPC Available in IPC and CPC
  • C08F 2/34 Polymerisation in gaseous state since 1974 IPC+CPC Available in IPC and CPC
  • C08F 2/36 Polymerisation in solid state since 1974 IPC+CPC Available in IPC and CPC
  • C08F 2/44 Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers since 1974 IPC+CPC Available in IPC and CPC
  • C08F 2/58 Polymerisation initiated by direct application of electric current (electrolytic processes, e.g. electrophoresis C25) since 1974 IPC+CPC Available in IPC and CPC
  • C08F 2/60 Polymerisation by the diene synthesis 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