CPC Subgroup Additional Only
C07C 2602/04 One of the condensed rings being a six-membered aromatic ring
Full Title
Systems containing two condensed rings > the rings having only two atoms in common > One of the condensed rings being a six-membered aromatic ring
4 direct subcodes
Child Classifications
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- C07C 2602/06 the other ring being four-membered
- C07C 2602/08 the other ring being five-membered, e.g. indane
- C07C 2602/10 the other ring being six-membered, e.g. tetraline
- C07C 2602/12 the other ring being at least seven-membered
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