IPC Main Group
C07C 51/00 Preparation of carboxylic acids or their salts, halides, or anhydrides
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Related Keywords
ABIETIC ACIDACETIC ACIDACRYLIC acidBENZOIC ACIDacyclic hydroxy-, aldehydic-, or ketonic CARBOXYLIC or salts, halides, anhydrides, derivatives or esters thereofacyclic saturated CARBOXYLIC or salts, halides, anhydrides, derivatives or esters thereofacyclic unsaturated CARBOXYLIC or salts, halides, anhydrides, derivatives or esters thereofaromatic or aliphatic CARBOXYLIC or salts, halides, anhydrides, derivatives or esters thereofaromatic or aliphatic hydroxy-, aldehydic or ketonic- CARBOXYLIC or salts, halides, anhydrides, derivatives or esters thereofcycloaliphatic CARBOXYLIC or salts, halides, anhydrides, derivatives or esters thereofpreparation of CARBOXYLIC or salts, halides, anhydrides, derivatives, esters or nitriles thereofFORMIC acidpreparation of MALONIC acidOLEIC acidpreparation of OXALIC acidpreparation of PALMITIC acidPHTHALIC acid
17 direct subcodes
Child Classifications
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- C07C 51/02 from salts of carboxylic acids
- C07C 51/04 from carboxylic acid halides
- C07C 51/06 from carboxylic acid amides
- C07C 51/08 from nitriles
- C07C 51/083 from carboxylic acid anhydrides
- C07C 51/09 from carboxylic acid esters or lactones
- C07C 51/093 by hydrolysis of —CX groups, X being halogen
- C07C 51/097 from or nitro-substituted organic compounds
- C07C 51/1 by reaction with carbon monoxide
- C07C 51/15 by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
- C07C 51/16 by oxidation
- C07C 51/34 by oxidation with ozone; by hydrolysis of ozonides
- C07C 51/347 by reactions not involving formation of carboxyl groups
- C07C 51/41 Preparation of salts of carboxylic acids by conversion of the acids or their salts into salts with the same carboxylic acid part
- C07C 51/42 Separation; Purification; Stabilisation; Use of additives
- C07C 51/54 Preparation of carboxylic acid anhydrides
- C07C 51/58 Preparation of carboxylic acid halides
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