Environmentally safe snow and ice dissolving liquid
OwnerJozsef Kerti, Peter Kardos +1inventors
InventorsJozsef Kerti, Peter Kardos, Tibor Kalman
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Abstract
The present invention relates to a snow-and ice dissolving composition comprising an aqueous solution of urea and ammonium-nitrate. The aqueous solution has a mass ratio of (4.5-5.5):(3.6-4.4):(6.3-7.7). In addition, 1.5-2.0 mass per cent of benzoic-acid and/or 0.10-0.25 mass per cent of benzo-or tolyl triazol as corrosion inhibitors can be added.
Claims9
A snow and ice dissolving composition comprising an aqueous solution of urea and ammonium nitrate wherein the ratio of water to urea to ammonium nitrate is (4.5-5.5):(3.6-4.4):(6.3-7.7).
A method of deicing a frozen surface comprising applying a composition comprising an aqueous solution of urea and ammonium nitrate wherein the ratio of water to urea to ammonium nitrate is (4.5-5.5):(3.6-4.4):(6.3-7.7).
Dependencies are inferred from the claim text.