Nitrogen-containing compounds

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Recovery or refining of mineral waxes, e.g. montan wax > Recovery of petroleum waxes from hydrocarbon oils; De-waxing of hydrocarbon oils > with the use of solvents > Organic compounds > Nitrogen-containing compounds

CPC:

Recovery or refining of mineral waxes, e.g. montan wax (compositions essentially based on waxes C08L91/00) > Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils > with the use of solvents > Organic compounds > Nitrogen-containing compounds

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class C10,2013–2023, worldwide · Source: EPO PATSTAT

SINOPEC (CHINA PETROCHEMICAL CORPORATION) 8,875
SAUDI ARABIAN OIL COMPANY SA 2,245
PETROCHINA COMPANY 2,028
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 1,980
IFPEN (IFP ENERGIES NOUVELLES) FR 1,963
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 1,878
CHINESE ACADEMY OF SCIENCES 1,829
UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 1,787
LUBRIZOL CORPORATION US 1,277
BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,268

Top Applicants (CPC)

Class C10,2013–2023, worldwide · Source: EPO PATSTAT

SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,831
SAUDI ARABIAN OIL COMPANY SA 2,918
IFPEN (IFP ENERGIES NOUVELLES) FR 2,305
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 2,282
UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,268
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 2,124
BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,487
CHEVRON CORPORATION US 1,400
PETROCHINA COMPANY 1,372
LUBRIZOL CORPORATION US 1,324