IPC Subgroup
C07D 407/02 containing two hetero rings
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group > containing two hetero rings
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
5 direct subcodes
Child Classifications
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- C07D 407/04 directly linked by a ring-member-to-ring- member bond
- C07D 407/06 linked by a carbon chain containing only aliphatic carbon atoms
- C07D 407/08 linked by a carbon chain containing alicyclic rings
- C07D 407/1 linked by a carbon chain containing aromatic rings
- C07D 407/12 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
- CHINESE ACADEMY OF SCIENCES 12,697
- ROCHE CH 11,347
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
- NOVARTIS CH 9,356
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
- BRISTOL-MYERS SQUIBB COMPANY US 7,320
- LG CHEM KR 7,245
- REGENERON PHARMACEUTICALS US 6,816
- HARVARD UNIVERSITY US 6,190
- GENENTECH US 5,922