IPC Main Group
C10G 73/00 Recovery or refining of mineral waxes, e.g. montan wax
Introduced: January 1980
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
Related Keywords
dewaxing HYDROCARBON(S) oilsMONTAN waxPEAT waxmineral WAX(ES)
5 direct subcodes
Child Classifications
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- C10G 73/02 Recovery of petroleum waxes from hydrocarbon oils; De-waxing of hydrocarbon oils
- 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 waxes
- C10G 73/4 Physical treatment of waxes or modified waxes, e.g. granulation, dispersion, emulsion, irradiation
- C10G 73/42 Refining of petroleum waxes
Top Applicants
Top 10 applicants by patent filingsfor class C10, 2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 8,875
- SAUDI ARABIAN OIL COMPANY SA 2,245
- PETROCHINA COMPANY 2,028
- EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 1,980
- IFPEN (IFP ENERGIES NOUVELLES) FR 1,963
- SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 1,878
- CHINESE ACADEMY OF SCIENCES 1,829
- UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 1,787
- LUBRIZOL CORPORATION US 1,277
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,268