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CPC Subgroup
C10J 1/08

by passage of air through or over the surface of the liquid

Full Title

Production of fuel gases by carburetting air or other gases without pyrolysis (for internal-combustion engines F02) > Carburetting air > with materials which are liquid at ordinary temperatures > by passage of air through or over the surface of the liquid

1 direct subcode

Child Classifications

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  • C10J 1/10 with the liquid absorbed on carriers

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