Stain cleaning method

Details Stain cleaning method Stain cleaning method

1990-02-06

1990-09-11

Pal, Asok

Cleaning and liquid contact with solids

Processes

Oils, grease, tar, or wax removal, by dissolving

134 6, 134 26, B08B 704

Patent

active

049560212

ABSTRACT:
The invention involves a method and compositions for cleaning all oily, natural or synthetic stains or residue from any stone surface, natural or man-made. The method comprises surrounding the stain with a container which is open at the bottom, pouring in a solvent material, covering the container with an airtight lid to prevent evaporation and allowing the solvent to remain on the stain for from 1 to 24 hours. Thereafter the lid is removed and an adsorbent powder is added to the container to the top of the absorbent liquid. The absorbent powder is allowed to stand for 1 to 24 hours and then the powder is removed and the surface being cleaned is allowed to air dry for 24 hours.

REFERENCES:
patent: 3149364 (1964-09-01), Baptist
patent: 3822213 (1974-07-01), Johnson
patent: 4207193 (1980-06-01), Ford

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