IPC Subgroup
C07C 51/347 by reactions not involving formation of carboxyl groups
Introduced: January 1980
Last revised: January 2006
Full Title
Preparation of carboxylic acids or their salts, halides, or anhydrides > by reactions not involving formation of carboxyl groups
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
6 direct subcodes
Child Classifications
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- C07C 51/353 by isomerisation; by change of size of the carbon skeleton
- C07C 51/36 by hydrogenation of carbon-to-carbon unsaturated bonds
- C07C 51/363 by introduction of halogen; by substitution of halogen atoms by other halogen atoms
- C07C 51/367 by introduction of functional groups containing oxygen only in singly bound form
- C07C 51/373 by introduction of functional groups containing oxygen only in doubly bound form
- C07C 51/377 by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
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