Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
C07D 233/20

with substituted hydrocarbon radicals, directly attached to ring carbon atoms

Full Title

Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings > having one double bond between ring members or between a ring member and a non-ring member > with substituted hydrocarbon radicals, directly attached to ring carbon atoms

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C07D 233/22 Radicals substituted by oxygen atoms
  • C07D 233/24 Radicals substituted by nitrogen atoms not forming part of a nitro radical
  • C07D 233/26 Radicals substituted by carbon atoms having three bonds to hetero atoms

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