Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C07C 55/02

Dicarboxylic acids

Introduced: September 1968

Full Title

Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms > Dicarboxylic acids

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

  • C07C 55/08 Malonic acid IPC+CPC Available in IPC and CPC
  • C07C 55/10 Succinic acid IPC+CPC Available in IPC and CPC
  • C07C 55/12 Glutaric acid IPC+CPC Available in IPC and CPC
  • C07C 55/14 Adipic acid IPC+CPC Available in IPC and CPC
  • C07C 55/16 Pimelic acid IPC+CPC Available in IPC and CPC
  • C07C 55/18 Azelaic acid IPC+CPC Available in IPC and CPC
  • C07C 55/20 Sebacic acid IPC+CPC Available in IPC and CPC
  • C07C 55/21 Dicarboxylic acids containing twelve carbon atoms since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C07,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922

Top Applicants (CPC)

Class C07,2013–2023, worldwide · Source: EPO PATSTAT

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219