Pigments with improved dispersibility

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United States of America Patent

PATENT NO 9175168
APP PUB NO 20080071010A1
SERIAL NO

11855791

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Abstract

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A method for preparing a pigment composition for a plastics colorant is disclosed. The pigment composition is prepared by mixing a press cake of the pigment with a liquid containing a selected type of dispersant before the resulting slurry is dried. Thus prepared pigment composition has improved dispersibility in a thermoplastic or thermoset resin and greatly reduces the filter pressure rise in the molding systems for preparing masterbatches or various plastic compositions for molding, fiber, film and sheet.

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Patent Owner(s)

  • SUN CHEMICAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Britanak, John Summerville, US 4 3
Faubion, Richard Kent Mt. Pleasant, US 2 1
Johnson, Mark W Goose Creek, US 66 1330
Shen, Zhijian Mason, US 5 8

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