IPC Subgroup
C07D 333/06 with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom > not condensed with other rings > not substituted on the ring sulfur atom > with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
5 direct subcodes
Child Classifications
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- C07D 333/08 Hydrogen atoms or radicals containing only hydrogen and carbon atoms
- C07D 333/12 Radicals substituted by halogen atoms or nitro or nitroso radicals
- C07D 333/14 Radicals substituted by singly bound hetero atoms other than halogen
- C07D 333/22 Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
- C07D 333/24 Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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