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PCE
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CPC Subgroup
C07C 255/45

having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings

Full Title

Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00) > having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings

3 direct subcodes

Child Classifications

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  • C07C 255/46 to carbon atoms of non-condensed rings
  • C07C 255/47 to carbon atoms of rings being part of condensed ring systems
  • C07C 255/48 to carbon atoms of 2,2-dimethylcyclopropane rings, e.g. nitrile of chrysanthemumic acids

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