IPC Main Group
C10N 60/00 Chemical after-treatment of the constituents of the lubricating composition
Introduced: January 1985
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- INDEXING SCHEME ASSOCIATED WITH SUBCLASS
7 direct subcodes
Child Classifications
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- C10N 60/02 Reduction, e.g. hydrogenation
- C10N 60/04 Oxidation, e.g. ozonisation
- C10N 60/06 by epoxides
- C10N 60/08 Halogenation
- C10N 60/1 by sulfur or a compound containing sulfur
- C10N 60/12 by phosphorus or a compound containing phosphorus, e.g. PS
- C10N 60/14 by boron or a compound containing boron
Top Applicants
Top 10 applicants by patent filingsfor 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