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US 10,246,589 B2Granted
Anti-icing additive composition for bituminous conglomerates
AssigneeIterchimica S.R.L.
InventorsElisa Bertuletti, Piero Baruzzi, Federica Giannattasio
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AssigneeIterchimica S.R.L.
InventorsElisa Bertuletti, Piero Baruzzi, Federica Giannattasio
Estimating the term…
An anti-icing composition suitable for incorporation in bituminous conglomerates for road paving, comprising an alkali metal chloride, an alkaline-earth metal carbonate, an alkali or alkaline-earth metal formate, a polysiloxane and optionally an alkaline-earth metal chloride, in which the polysiloxane is contained in an amount between 0.5 and 2.0% by weight of the total weight of the composition; it is also described a bituminous conglomerate adapted to provide an anti-icing road paving, comprising aggregates, bitumen, filler and from 2 to 6% by weight of such anti-icing composition of the weight of the aggregates.
An ani-icing composition suitable for incorporation in bituminous conglomerates for road paving, comprising an alkali metal chloride, an alkaline-earth metal carbonate, an alkali or alkaline-earth metal formate, a polysiloxane and optionally an alkaline-earth metal chloride, in which the polysiloxane is contained in an amount between 0.5 and 2.0% by weight of the total weight of the composition.
An anti-icing bituminous formulation comprising from 20 to 70% by weight of the anti-icing composition according to claim 1 and 30 to 80% by weight of bitumen.
Dependencies are inferred from the claim text.