CPC Subgroup Additional Only
C07C 2603/02 Ortho- or ortho- and peri-condensed systems
Full Title
Systems containing at least three condensed rings > Ortho- or ortho- and peri-condensed systems
4 direct subcodes
Child Classifications
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- C07C 2603/04 containing three rings
- C07C 2603/40 containing four condensed rings
- C07C 2603/52 containing five condensed rings
- C07C 2603/54 containing more than five condensed rings
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