C07C 51/00 Preparation of carboxylic acids or their salts, halides or anhydrides (of acids by hydrolysis of oils, fats or waxes C11C)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Preparation of carboxylic acids or their salts, halides, or anhydrides
CPC: Preparation of carboxylic acids or their salts, halides or anhydrides (of acids by hydrolysis of oils, fats or waxes C11C)
Full Title
Full titles differ between systems:
Preparation of carboxylic acids or their salts, halides, or anhydrides
Preparation of carboxylic acids or their salts, halides or anhydrides (of acids by hydrolysis of oils, fats or waxes C11C)
IPC and CPC are identically structured here. All 17 subcodes exist in both systems.
5 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C07C 51/093 by hydrolysis of —CX3 groups, X being halogen since 1980 IPC+CPC Available in IPC and CPC
- C07C 51/097 from or via nitro-substituted organic compounds since 1980 IPC+CPC Available in IPC and CPC
- C07C 51/15 by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis since 1974 IPC+CPC Available in IPC and CPC
- C07C 51/347 by reactions not involving formation of carboxyl groups since 1980 IPC+CPC Available in IPC and CPC
- C07C 51/41 Preparation of salts of carboxylic acids ( preparation of soap C11D) since 1980 +4 CPC IPC+CPC Available in IPC and CPC
- C07C 51/42 Separation; Purification; Stabilisation; Use of additives IPC+CPC Available in IPC and CPC
- C07C 51/54 Preparation of carboxylic acid anhydrides (by oxidation C07C51/16) IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class C07,2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219