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DIFF Subgroup
C10L 5/40

essentially based on materials of non-mineral origin

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Solid fuels > essentially based on materials of non-mineral origin

CPC:

Solid fuels (produced by solidifying fluid fuels C10L7/00; peat briquettes C10F7/06) > essentially based on materials of non-mineral origin

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • C10L 5/403 CPC only CPC only
  • C10L 5/406 CPC only CPC only
  • C10L 5/42 on animal substances or products obtained therefrom IPC+CPC Available in IPC and CPC
  • C10L 5/46 on sewage, house, or town refuse IPC+CPC Available in IPC and CPC
  • C10L 5/48 on industrial residues and waste materials 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