IPC Subgroup
C07C 251/02 containing imino groups
Introduced: January 1990
Last revised: January 2006
Full Title
Compounds containing nitrogen atoms doubly- bound to a carbon skeleton > containing imino groups
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Related Keywords
AZOMETHINE(S)IMIDESIMINESOSAZONESSCHIFFS BASES
7 direct subcodes
Child Classifications
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- C07C 251/04 having carbon atoms of imino groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C 251/18 having carbon atoms of imino groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C 251/2 having carbon atoms of imino groups being part of rings other than six-membered aromatic rings
- C07C 251/24 having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
- C07C 251/26 having nitrogen atoms of imino groups further bound to halogen atoms
- C07C 251/28 having nitrogen atoms of imino groups acylated
- C07C 251/3 having nitrogen atoms of imino groups quaternised
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