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PCE
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CPC Subgroup
C10G 25/03

with crystalline alumino-silicates, e.g. molecular sieves

Full Title

Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents > with ion-exchange material > with crystalline alumino-silicates, e.g. molecular sieves

1 direct subcode

Child Classifications

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  • C10G 25/05 Removal of non-hydrocarbon compounds, e.g. sulfur compounds

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