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Last Updated Saturday, October 10 2015

BASF Coatings patents color powder

Published July 19, 2007
Patent No. U.S. 7,151,133 B2
BASF Coatings has obtained a patent for a process for preparing powder slurry of a particular shade, comprised of mixing a powder slurry or slurries selected from the group consisting of color powder slurries of achromatic shade and clearcoat powder slurries with at least one aqueous, color- or effect-imparting tinting paste. The tinting paste is comprised of at least one pigment selected from the group consisting of color pigments and effect pigments, a water-dilutable (meth)acrylate copolymer, a minor amount of an alkylene glycol, and at least one member selected from the group consisting of phyllosilicate-based thickeners and polyurethane-based thickeners, to give the powder slurry of the particular shade.

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