C10M 2219/04 containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
Full Title
Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions > containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
Filing statistics
CPC C10M 2219/04 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
5 direct subcodes
Child Classifications
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- C10M 2219/0406 used as base material
- C10M 2219/0413 use as thickening agent
- C10M 2219/042 Sulfate esters
- C10M 2219/044 Sulfonic acids, Derivatives thereof, e.g. neutral salts
- C10M 2219/046 Overbased sulfonic acid salts
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