CPC Subgroup
C07D 487/02 in which the condensed system contains two hetero rings
Full Title
Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 > in which the condensed system contains two hetero rings
4 direct subcodes
Child Classifications
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- C07D 487/04 Ortho-condensed systems
- C07D 487/06 Peri-condensed systems
- C07D 487/08 Bridged systems
- C07D 487/10 Spiro-condensed systems
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