Compositions – Frost-preventing – ice-thawing – thermostatic – thermophoric,...
Patent
1986-11-24
1987-10-06
Wax, Robert A.
Compositions
Frost-preventing, ice-thawing, thermostatic, thermophoric,...
71 30, 71 6412, 71113, 252385, 562555, C09K 318
Patent
active
046981730
ABSTRACT:
A deicing material which is not corrosive to reinforcing steel or aluminum in overpasses and bridges consists essentially of ammonium carbamate and may be combined with urea production by-products or certain alkalis.
REFERENCES:
patent: 1344673 (1920-06-01), Bosch
patent: 3108075 (1963-10-01), Hearst
patent: 3125434 (1964-03-01), Smith et al.
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