IPC Main Group
C10M 125/00 Lubricating compositions characterised by the additive being an inorganic material
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:
- LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
13 direct subcodes
Child Classifications
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- C10M 125/02 Carbon; Graphite
- C10M 125/04 Metals; Alloys
- C10M 125/06 Sulfur
- C10M 125/08 Metal carbides or hydrides
- C10M 125/1 Metal oxides, hydroxides, carbonates or bicarbonates
- C10M 125/12 Metal carbonyls
- C10M 125/14 Water
- C10M 125/16 Hydrogen peroxide; Oxygenated water
- C10M 125/18 Compounds containing halogen
- C10M 125/2 Compounds containing nitrogen
- C10M 125/22 Compounds containing sulfur, selenium or tellurium
- C10M 125/24 Compounds containing phosphorus, arsenic or antimony
- C10M 125/26 Compounds containing silicon or boron, e.g. silica, sand
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