C07C 281/00 Derivatives of carbonic acid containing functional groups covered by groups C07C269/00 - C07C279/00 in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
Introduced: January 1990
Title
Titles differ between systems:
IPC: Derivatives of carbonic acid containing functional groups covered by groups in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
CPC: Derivatives of carbonic acid containing functional groups covered by groups C07C269/00 - C07C279/00 in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
Full Title
Full titles differ between systems:
Derivatives of carbonic acid containing functional groups covered by groups in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
Derivatives of carbonic acid containing functional groups covered by groups C07C269/00 - C07C279/00 in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- C07C 281/02 Compounds containing any of the groups [IMAGE cpc-sch-C07C-0972.gif], e.g. carbazates since 1990 IPC+CPC Available in IPC and CPC
- C07C 281/06 Compounds containing any of the groups [IMAGE cpc-sch-C07C-0973.gif], e.g. semicarbazides since 1990 IPC+CPC Available in IPC and CPC
- C07C 281/16 Compounds containing any of the groups [IMAGE cpc-sch-C07C-0974.gif], e.g. aminoguanidine since 1990 IPC+CPC Available in IPC and CPC
- C07C 281/20 the two nitrogen atoms of the functional groups being doubly-bound to each other, e.g. azoformamide since 1990 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