C07D 311/04 Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
Introduced: July 1974
Title
Titles differ between systems:
IPC: Benzo [b] pyrans, not hydrogenated in the carbocyclic ring
CPC: Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
Full Title
Full titles differ between systems:
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings > ortho- or peri-condensed with carbocyclic rings or ring systems > Benzo [b] pyrans, not hydrogenated in the carbocyclic ring
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings > ortho- or peri-condensed with carbocyclic rings or ring systems > Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- C07D 311/06 with oxygen or sulfur atoms directly attached in position 2 since 1974 IPC+CPC Available in IPC and CPC
- C07D 311/22 with oxygen or sulfur atoms directly attached in position 4 since 1974 IPC+CPC Available in IPC and CPC
- C07D 311/42 with oxygen or sulfur atoms in positions 2 and 4 since 1974 IPC+CPC Available in IPC and CPC
- C07D 311/58 other than with oxygen or sulphur atoms in position 2 or 4 since 1974 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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