Compositions: coating or plastic – Coating or plastic compositions – Fog – frost or ice preventive
Patent
1976-11-24
1978-06-13
Welcome, Joan E.
Compositions: coating or plastic
Coating or plastic compositions
Fog, frost or ice preventive
106253, 106260, 106266, 106273R, 106280, 106281R, 252 70, 404 19, 404 20, 427136, 427138, 428403, 428404, 428407, C09K 318
Patent
active
040946860
ABSTRACT:
An additive for admixture with road surface preparation materials to prevent formation of ice and to melt snow on the finished road surface. The additive is distributed throughout the road surface and comprises coated particles of a halide, e.g. calcium chloride, coated particles of an alkali metal hydroxide, e.g. sodium hydroxide and a trace of coated or uncoated particles of calcium hydride, the coatings being of a water-tight inert substance such as linseed oil. These coatings are worn away at the road surface by traffic to expose the particles.
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patent: 2648603 (1953-08-01), Jenin et al.
patent: 2967466 (1961-01-01), Shoemaker et al.
patent: 2978351 (1961-04-01), Pullar
patent: 2979463 (1961-04-01), Ferguson
patent: 3240558 (1966-03-01), Heiss et al.
patent: 3310494 (1967-03-01), Sproule et al.
patent: 3461073 (1969-08-01), Crowell et al.
patent: 3507686 (1970-04-01), Hagenbach
patent: 3906140 (1975-09-01), Capes
patent: 4012537 (1977-03-01), Dubois
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Plastiroute S.A.
Welcome Joan E.
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