Frost-preventive composition

Compositions: coating or plastic – Coating or plastic compositions – Fog – frost or ice preventive

Reexamination Certificate

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Details

C252S070000, C252S071000

Reexamination Certificate

active

07744686

ABSTRACT:
The invention provides a frost-preventive composition which strongly defrosts and melts ice and which prevents frosting for a long period of time and which does not run or sag when applied to a wall surface or the like.The frost-preventive greasy composition of the invention contains (a) at least one species selected from among glycols, glycol ethers, polyalkylene glycols, polyalkylene glycol derivatives, glycerin, and glycerin derivatives, (b) at least one species selected from among soaps, urea compounds, silica gel microparticles, lecithin, and polysaccharides, (c) at least one metal salt selected from among carboxylic acid metal salts, nitric acid metal salts, phosphoric acid metal salts, metal chlorides, and metal bromides, and (d) at least one species selected from among sorbitan fatty acid esters, polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene alkyl ethers, castor oil, hydrogenated castor oil, polyoxyalkylene castor oils, and polyoxyalkylene hydrogenated castor oils, in specified proportions, respectively.

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patent: 03-296591 (1991-12-01), None
patent: 09-188869 (1997-07-01), None
patent: 10-103817 (1998-04-01), None
patent: 2001-055562 (2001-02-01), None

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