C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/00 (2006.01) C11D 3/00 (2006.01) C11D 3/12 (2006.01) C11D 3/37 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2158569
A food-safe composition for the pretreatment of a surface, which is liable to soiling by organic food deposits. Consisting of (1) a food-safe, inorganic thickening agent which is substantially insoluble in an alkaline aqueous composition and which is present in an amount sufficient so that, during application to the surface the composition is capable of forming a continuous coating adhered to all desired portions of the surface, is combined with (2) an alkaline, food-safe, water-soluble inorganic salt (3), a food-safe silicone polymer (4), optionally a food-safe mineral oil. The composition forms a transparent or translucent film after drying, preferably by heating, which remains continuous over all pardons of the surface, including areas which may already be soiled with food deposits. After the film accumulates additional food soils, it remains substantially transparent. The soiled film can be readily removed by contact with water or an aqueous solution.
Kay Chemical Company
Smart & Biggar
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