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CPC Main Group
C10B 53/00

Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form (wet carbonising of peat C10F)

Filing statistics

CPC C10B 53/00 belongs to the parent subclass C10B, which recorded 22,990 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,658 in 2013 to 2,271 in 2023 (+37%), peaking at 2,590 applications in 2020. The most active applicants in class C10 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (5,831 applications), SAUDI ARABIAN OIL COMPANY (2,918 applications) and IFPEN (IFP ENERGIES NOUVELLES) (2,305 applications).

Source: EPO PATSTAT, worldwide filings

5 direct subcodes

Child Classifications

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  • C10B 53/02 of cellulose-containing material (production of pyroligneous acid C10C5/00)
  • C10B 53/04 of powdered coal
  • C10B 53/06 of oil shale and/or or bituminous rocks
  • C10B 53/07 of synthetic polymeric materials, e.g. tyres ( recovery or working-up of waste materials of organic macromolecular compounds or compositions based thereon by dry-heat treatment for obtaining partially depolymerised materials C08J11/10; production of liquid hydrocarbon mixtures from rubber or rubber waste C10G1/10)
  • C10B 53/08 in the form of briquettes, lumps and the like

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