Dust-reducing compositions for treating dry soil

Details Dust-reducing compositions for treating dry soil Dust-reducing compositions for treating dry soil

2005-09-20

2005-09-20

Ogden, Necholus (Department: 1751)

Compositions

Dust suppressants for bulk materials, or processes of...

C252S088100

Reexamination Certificate

active

06946083

ABSTRACT:
A dust-reducing composition for treating dry soil that includes a hygroscopic compound together with a hydrophobic compound in relative amounts sufficient to form a water-repellant surface on the soil. Also, a process for treating dry soil to reduce dust generation due to movement of traffic or air thereover. This process includes applying onto the soil a hygroscopic compound and subsequently applying a hydrophobic compound onto the hygroscopic compound containing soil. Alternatively, the process includes applying onto the soil an aqueous solution of a mixture of a hygroscopic compound and a hydrophobic compound. In either case, the hygroscopic and hydrophobic compounds are applied in relative amounts sufficient to form a water-repellant surface on the soil.

REFERENCES:
patent: 4001033 (1977-01-01), Anthone et al.
patent: 5415795 (1995-05-01), Roe et al.
patent: 5595782 (1997-01-01), Cole

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