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PCE
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CPC Subgroup
C10G 55/02

plural serial stages only

Full Title

Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process > plural serial stages only

2 direct subcodes

Child Classifications

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  • C10G 55/04 including at least one thermal cracking step
  • C10G 55/06 including at least one catalytic cracking step

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