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DIFF Main Group
C10G 33/00

Dewatering or demulsification of hydrocarbon oils (by distillation C10G7/04)

Introduced: September 1968

Title

Titles differ between systems:

IPC: De-watering or demulsification of hydrocarbon oils

CPC: Dewatering or demulsification of hydrocarbon oils (by distillation C10G7/04)

Full Title

Full titles differ between systems:

IPC:

De-watering or demulsification of hydrocarbon oils

CPC:

Dewatering or demulsification of hydrocarbon oils (by distillation C10G7/04)

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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  • C10G 33/02 with electrical or magnetic means IPC+CPC Available in IPC and CPC
  • C10G 33/04 with chemical means IPC+CPC Available in IPC and CPC
  • C10G 33/06 with mechanical means, e.g. by filtration IPC+CPC Available in IPC and CPC
  • C10G 33/08 Controlling or regulating 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