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IPC 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

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
Subclass:
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

Related Keywords

ACETAL RESINS

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
  • C08G 2/08 Polymerisation of formaldehyde
  • C08G 2/1 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
  • 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 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