Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
C07C 211/57

having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton

Full Title

Compounds containing amino groups bound to a carbon skeleton > having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton > having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C07C 211/58 Naphthylamines; N-substituted derivatives thereof
  • C07C 211/59 the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
  • C07C 211/60 containing a ring other than a six-membered aromatic ring forming part of at least one of the condensed ring systems
  • C07C 211/61 with at least one of the condensed ring systems formed by three or more rings

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