C07C 4/00 Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (redistribution reactions involving splitting C07C6/00; cracking hydrocarbon oils C10G)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
CPC: Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (redistribution reactions involving splitting C07C6/00; cracking hydrocarbon oils C10G)
Full Title
Full titles differ between systems:
Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (redistribution reactions involving splitting C07C6/00; cracking hydrocarbon oils C10G)
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- C07C 4/02 by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction since 1980 +1 CPC IPC+CPC Available in IPC and CPC
- C07C 4/08 by splitting-off an aliphatic or cycloaliphatic part from the molecule since 1980 IPC+CPC Available in IPC and CPC
- C07C 4/22 by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene since 1980 IPC+CPC Available in IPC and CPC
- C07C 4/24 by splitting polyarylsubstituted aliphatic compounds at an aliphatic-aliphatic bond, e.g. 1,4-diphenylbutane to styrene since 1980 IPC+CPC Available in IPC and CPC
- C07C 4/26 by splitting polyaryl compounds at a bond between uncondensed six-membered aromatic rings, e.g. biphenyl to benzene 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