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CPC Subgroup
C07C 251/02

containing imino groups

Full Title

Compounds containing nitrogen atoms doubly-bound to a carbon skeleton (diazo compounds C07C245/12) > containing imino groups

7 direct subcodes

Child Classifications

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  • C07C 251/18 having carbon atoms of imino groups bound to carbon atoms of rings other than six-membered aromatic rings
  • C07C 251/24 having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
  • C07C 251/26 having nitrogen atoms of imino groups further bound to halogen atoms
  • C07C 251/28 having nitrogen atoms of imino groups acylated
  • C07C 251/30 having nitrogen atoms of imino groups quaternised

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