Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions

Filing statistics

CPC C10M 2223/00 belongs to the parent subclass C10M, which recorded 41,664 patent applications worldwide between 2013 and 2023. Annual filings declined from 3,023 in 2013 to 2,626 in 2023 (-13%), peaking at 5,458 applications in 2016. The most active applicants in class C10 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (5,831 applications), SAUDI ARABIAN OIL COMPANY (2,918 applications) and IFPEN (IFP ENERGIES NOUVELLES) (2,305 applications).

Source: EPO PATSTAT, worldwide filings

7 direct subcodes

Child Classifications

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C10M 2223/003 used as base material
C10M 2223/006 used as thickening agents
C10M 2223/02 having no phosphorus-to-carbon bonds
C10M 2223/06 having phosphorus-to-carbon bonds
C10M 2223/08 having phosphorus-to-nitrogen bonds
C10M 2223/10 Phosphatides, e.g. lecithin, cephalin
C10M 2223/12 obtained by phosphorisation of organic compounds, e.g. with PxSy, PxSyHal or PxOy

Top Applicants

Top 10 applicants by patent filingsfor 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