Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Main Group
C10G 73/00

Recovery or refining of mineral waxes, e.g. montan wax (compositions essentially based on waxes C08L91/00)

5 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C10G 73/36 Recovery of petroleum waxes from other compositions containing oil in minor proportions, from concentrates or from residues; De-oiling, sweating
  • C10G 73/38 Chemical modification of petroleum
  • C10G 73/40 Physical treatment of waxes or modified waxes, e.g. granulation, dispersion, emulsion, irradiation

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