CPC Subgroup
C07C 13/32 with condensed rings
Full Title
Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings > Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof > with condensed rings
11 direct subcodes
Child Classifications
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- C07C 13/34 with a bicyclo ring system containing four carbon atoms
- C07C 13/36 with a bicyclo ring system containing five carbon atoms
- C07C 13/38 with a bicyclo ring system containing six carbon atoms
- C07C 13/39 with a bicyclo ring system containing seven carbon atoms
- C07C 13/44 with a bicyclo ring system containing eight carbon atoms
- C07C 13/45 with a bicyclo ring system containing nine carbon atoms
- C07C 13/47 with a bicyclo ring system containing ten carbon atoms
- C07C 13/54 with three condensed rings
- C07C 13/62 with more than three condensed rings
- C07C 13/70 with a condensed ring system consisting of at least two, mutually uncondensed aromatic ring systems, linked by an annular structure formed by carbon chains on non-adjacent positions of the aromatic ring, e.g. cyclophanes
- C07C 13/72 Spiro hydrocarbons
Top Applicants
Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219