CPC Subgroup
C07D 405/02 containing two hetero rings
Full Title
Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom > containing two hetero rings
5 direct subcodes
Child Classifications
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- C07D 405/04 directly linked by a ring-member-to-ring-member bond
- C07D 405/06 linked by a carbon chain containing only aliphatic carbon atoms
- C07D 405/08 linked by a carbon chain containing alicyclic rings
- C07D 405/10 linked by a carbon chain containing aromatic rings
- C07D 405/12 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