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PCE
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CPC Subgroup
C07C 23/20

with condensed rings none of which is aromatic

Full Title

Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring > Polycyclic halogenated hydrocarbons > with condensed rings none of which is aromatic

9 direct subcodes

Child Classifications

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  • C07C 23/22 with a bicyclo ring system containing four carbon atoms
  • C07C 23/24 with a bicyclo ring system containing five carbon atoms
  • C07C 23/26 with a bicyclo ring system containing six carbon atoms
  • C07C 23/32 with a bicyclo ring system containing eight carbon atoms
  • C07C 23/34 Halogenated completely or partially hydrogenated indenes
  • C07C 23/36 Halogenated completely or partially hydrogenated naphthalenes
  • C07C 23/46 with more than three condensed 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