Compositions – Frost-preventing – ice-thawing – thermostatic – thermophoric,...
Patent
1984-02-06
1985-04-23
Lieberman, Paul
Compositions
Frost-preventing, ice-thawing, thermostatic, thermophoric,...
106 13, C09K 318
Patent
active
045129070
ABSTRACT:
This invention relates to a composition for melting ice, particularly for melting ice from driveways, sidewalks and the like.
The composition includes a salt, more particularly sodium and/or potassium chloride and an amide such as urea.
The method of making the composition includes the steps of (1) sizing the salt, (2) spraying a liquid amide thereon, and (3) drying the resultant composition.
REFERENCES:
patent: 2979463 (1961-04-01), Ferguson
patent: 3833504 (1974-09-01), Neitzel et al.
patent: 4431558 (1984-02-01), Wada et al.
Mohanty et al., "Viscosity of Potassium Chloride and Sodium Chloride in Aqueous Urea Solutions at 30.degree. and 35.degree.", J. Indian Chem. Soc., 1983, 60(11), 1059-61.
Koos, Inc.
Lieberman Paul
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