IPC Subgroup
C07C 281/08 the other nitrogen atom being further doubly-bound to a carbon atom, e.g. semicarbazones
Introduced: January 1990
Last revised: January 2006
Full Title
Derivatives of carbonic acid containing functional groups covered by groups in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group > Compounds containing any of the groups e.g. semicarbazides > the other nitrogen atom being further doubly-bound to a carbon atom, e.g. semicarbazones
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Related Keywords
SEMICARBAZONES
3 direct subcodes
Child Classifications
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- C07C 281/1 the carbon atom being further bound to an acyclic carbon atom or to a carbon atom of a ring other than a six-membered aromatic ring
- C07C 281/12 the carbon atom being part of a ring other than a six-membered aromatic ring
- C07C 281/14 the carbon atom being further bound to a carbon atom of a six-membered aromatic ring
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