IPC Subgroup
C10M 129/3 having 7 or less carbon atoms
Introduced: January 1985
Last revised: January 2006
Full Title
Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen > having a carbon chain of less than 30 atoms > Carboxylic acids; Salts thereof > having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms > having 7 or less carbon atoms
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
3 direct subcodes
Child Classifications
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- C10M 129/32 monocarboxylic
- C10M 129/34 polycarboxylic
- C10M 129/36 containing hydroxy groups
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