Method of cleaning heavily soiled textiles
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United States of America Patent
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-
May 12, 1992
Grant Date -
N/A
app pub date -
Jan 9, 1990
filing date -
Jan 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Heavily soiled shop towels, mops and other industrial laundry are initially contacted with a mixture of a cleaning solvent and an emulsifier to efficiently penetrate the industrial soil in the fabric. Thereafter water is added to provide an oil-in-water emulsion cleaning composition which effectively removes both the industrial soil and the solvent from the goods. A preferred class of hydrocarbon solvents suitable for this purpose is the class of solvents known as terpene solvents. Particularly suitable are terpene solvents having a tagg closed cup flash point, of 140.degree. F. or higher. The oil-in-water emulsion thereafter is demulsified for separation of the cleaning solvent from the water and recycle of the solvent to the process.
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Cited Art Landscape
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