DIFF Main Group
C07C 29/00 Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
Introduced: September 1968
IPC and CPC are identically structured here. All 18 subcodes exist in both systems.
10 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C07C 29/03 by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 (by simultaneous introduction of -OH groups and halogens C07C29/64) since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/132 by reduction of an oxygen containing functional group since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/17 by hydrogenation of carbon-to-carbon double or triple bonds since 1980 +3 CPC IPC+CPC Available in IPC and CPC
- C07C 29/32 increasing the number of carbon atoms by reactions without formation of -OH groups since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/36 increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/44 increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond (C07C29/16 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/48 by oxidation reactions with formation of hydroxy groups since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/58 by elimination of halogen, e.g. by hydrogenolysis, splitting-off (C07C29/124 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/60 by elimination of -OH groups, e.g. by dehydration (C07C29/34 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/62 by introduction of halogen; by substitution of halogen atoms by other halogen atoms since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/64 by simultaneous introduction of -OH groups and halogens since 1980 IPC+CPC Available in IPC and CPC
- C07C 29/68 Preparation of metal alcoholates (C07C29/42, C07C29/54 take precedence) since 1980 +1 CPC IPC+CPC Available in IPC and CPC
- C07C 29/74 Separation; Purification; Use of additives, e.g. for stabilisation since 1980 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