C10M 2221/04 Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Full Title
Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions > Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Filing statistics
CPC C10M 2221/04 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
3 direct subcodes
Child Classifications
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- C10M 2221/0405 used as base material
- C10M 2221/041 involving sulfurisation of macromolecular compounds, e.g. polyolefins
- C10M 2221/043 Polyoxyalkylene ethers with a thioether group
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