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CPC Subgroup
C10M 149/02

Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

Full Title

Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen > Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

4 direct subcodes

Child Classifications

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  • C10M 149/04 containing monomers having an unsaturated radical bound to an amino group
  • C10M 149/06 containing monomers having an unsaturated radical bound to an amido or imido group
  • C10M 149/08 containing monomers having an unsaturated radical bound to a nitrile group
  • C10M 149/10 containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring

Top Applicants

Top 10 applicants by patent filingsfor class C10, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,831
  2. SAUDI ARABIAN OIL COMPANY SA 2,918
  3. IFPEN (IFP ENERGIES NOUVELLES) FR 2,305
  4. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 2,282
  5. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,268
  6. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 2,124
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,487
  8. CHEVRON CORPORATION US 1,400
  9. PETROCHINA COMPANY 1,372
  10. LUBRIZOL CORPORATION US 1,324