Cleaning and liquid contact with solids – Processes – Oils – grease – tar – or wax removal – by dissolving
Patent
1988-02-19
1990-06-19
Pal, Asok
Cleaning and liquid contact with solids
Processes
Oils, grease, tar, or wax removal, by dissolving
134 30, 134 35, 252117, 252118, B08B 304
Patent
active
049350668
ABSTRACT:
A method of removing baked-on grease and oil from substrates such as kitchen pots, exhaust hood filters, etc. using high pressure and temperatures followed by the use of oleic acid as a non-hazardous solvent. The parts are treated in a pressure vessel.
REFERENCES:
patent: 2156863 (1939-05-01), Mills
patent: 2801257 (1957-07-01), Lawrence et al.
patent: 2895975 (1959-07-01), Ives et al.
patent: 3841909 (1974-10-01), Nonaka et al.
patent: 3923541 (1975-12-01), Healy
patent: 4704225 (1987-11-01), Stoufer
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