Composition for dust-preventive treatment

Details Composition for dust-preventive treatment Composition for dust-preventive treatment

2011-01-18

2011-01-18

Ogden, Jr., Necholus (Department: 1796)

Compositions

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

C252S088200

Reexamination Certificate

active

07871535

ABSTRACT:
A composition for dust-preventive treatment including an aqueous dispersion of fluorine-containing polymer showing a low potential for environmental concerns and a dust prevention effect as high as that of known composition for dust-preventive treatment. The composition for dust-preventive treatment includes an aqueous dispersion of fluorine-containing polymer containing 50 ppm or less of a fluorine-containing emulsifier. The composition for dust-preventive treatment comprising aqueous dispersion of fluorine-containing polymer containing 50 ppm or less of a fluorine-containing emulsifier can preferably be obtained by removing the fluorine-containing emulsifier from a polymer dispersion prepared by polymerizing tetrafluoroethylene using the fluorine-containing emulsifier.

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patent: 2002-532583 (2002-10-01), None
patent: 2005-501956 (2005-01-01), None

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