CPC Subgroup
C07D 401/02 containing two hetero rings
Full Title
Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom > containing two hetero rings
5 direct subcodes
Child Classifications
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- C07D 401/04 directly linked by a ring-member-to-ring-member bond
- C07D 401/06 linked by a carbon chain containing only aliphatic carbon atoms
- C07D 401/08 linked by a carbon chain containing alicyclic rings
- C07D 401/10 linked by a carbon chain containing aromatic rings
- C07D 401/12 linked by a chain containing hetero atoms as chain links
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