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DIFF Main Group
C09F 7/00

Chemical modification of drying oils (modifying by copolymerisation C08F; polycondensation C08G; factice C08H)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Chemical modification of drying-oils

CPC: Chemical modification of drying oils (modifying by copolymerisation C08F; polycondensation C08G; factice C08H)

Full Title

Full titles differ between systems:

IPC:

Chemical modification of drying-oils

CPC:

Chemical modification of drying oils (modifying by copolymerisation C08F; polycondensation C08G; factice C08H)

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

Child Classifications

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  • C09F 7/02 by oxidising IPC+CPC Available in IPC and CPC
  • C09F 7/04 by voltolising IPC+CPC Available in IPC and CPC
  • C09F 7/06 by polymerisation IPC+CPC Available in IPC and CPC
  • C09F 7/08 by isomerisation IPC+CPC Available in IPC and CPC
  • C09F 7/10 by re-esterification IPC+CPC Available in IPC and CPC
  • C09F 7/12 Apparatus therefor IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C09,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 6,420
  2. NITTO DENKO CORPORATION JP 5,752
  3. HALLIBURTON ENERGY SERVICES GROUP US 5,650
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 5,635
  5. DOW GLOBAL TECHNOLOGIES US 4,844
  6. MERCK PATENT DE 4,779
  7. CHINESE ACADEMY OF SCIENCES 4,311
  8. FUJIFILM JP 4,205
  9. BASF (BADISCHE ANILIN & SODA FABRIK) DE 4,039
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 3,931

Top Applicants (CPC)

Class C09,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 7,954
  2. HALLIBURTON ENERGY SERVICES GROUP US 6,584
  3. NITTO DENKO CORPORATION JP 6,500
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,490
  5. DOW GLOBAL TECHNOLOGIES US 6,324
  6. FUJIFILM JP 5,832
  7. MERCK PATENT DE 5,481
  8. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,147
  9. SAMSUNG DISPLAY KR 5,105
  10. NITTO DENKO CORPORATION 3,584