DIFF Subgroup
C07C 47/20 Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
Introduced: September 1968
Full Title
Compounds having —CHO groups > Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
IPC and CPC are identically structured here. All 8 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C07C 47/21 with only carbon-to-carbon double bonds as unsaturation since 1980 IPC+CPC Available in IPC and CPC
- C07C 47/222 with only carbon-to-carbon triple bonds as unsaturation since 1980 IPC+CPC Available in IPC and CPC
- C07C 47/225 containing rings other than six-membered aromatic rings since 1980 IPC+CPC Available in IPC and CPC
- C07C 47/228 containing six-membered aromatic rings, e.g. phenylacetaldehyde since 1980 IPC+CPC Available in IPC and CPC
- C07C 47/235 containing six-membered aromatic rings and other rings since 1980 IPC+CPC Available in IPC and CPC
- C07C 47/277 containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups, or[IMAGE cpc-sch-C07C-0960.gif] groups 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