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CPC Subgroup
C07C 57/64

Acyl halides

Full Title

Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms > Acyl halides

6 direct subcodes

Child Classifications

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  • C07C 57/66 with only carbon-to-carbon double bonds as unsaturation
  • C07C 57/68 with only carbon-to-carbon triple bonds as unsaturation
  • C07C 57/70 containing rings other than six-membered aromatic rings
  • C07C 57/72 containing six-membered aromatic rings
  • C07C 57/74 containing six-membered aromatic rings and other rings
  • C07C 57/76 containing halogen outside the carbonyl halide groups

Top Applicants

Top 10 applicants by patent filingsfor 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