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CPC 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

12 direct subcodes

Child Classifications

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

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