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DIFF Main Group
C10G 31/00

Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for (by distillation C10G7/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for

CPC: Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for (by distillation C10G7/00)

Full Title

Full titles differ between systems:

IPC:

Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for

CPC:

Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for (by distillation C10G7/00)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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  • C10G 31/06 by heating, cooling, or pressure treatment IPC+CPC Available in IPC and CPC
  • C10G 31/08 by treating with water IPC+CPC Available in IPC and CPC
  • C10G 31/09 by filtration since 1980 IPC+CPC Available in IPC and CPC
  • C10G 31/10 with the aid of centrifugal force IPC+CPC Available in IPC and CPC
  • C10G 31/11 by dialysis since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 8,875
  2. SAUDI ARABIAN OIL COMPANY SA 2,245
  3. PETROCHINA COMPANY 2,028
  4. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 1,980
  5. IFPEN (IFP ENERGIES NOUVELLES) FR 1,963
  6. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 1,878
  7. CHINESE ACADEMY OF SCIENCES 1,829
  8. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 1,787
  9. LUBRIZOL CORPORATION US 1,277
  10. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,268

Top Applicants (CPC)

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