Mixtures of coated pigments and fatty acid salts for dyeing PVC
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United States of America Patent
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Oct 22, 2019
Grant Date -
May 25, 2017
app pub date -
Jun 17, 2015
filing date -
Jun 18, 2014
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Abstract
The present invention relates to mixtures of pigments comprising at least one inorganic compound selected from the group of iron oxides, iron oxide hydrates, zinc ferrites, zinc oxides, magnesium ferrites and manganese ferrites, wherein the at least one inorganic compound is equipped with a coating comprising at least one hydroxide or oxide of magnesium or calcium and at least one calcium salt or magnesium salt of a fatty acid, to processes for production thereof, to the use thereof for coloring polyvinyl chloride (PVC) and to processes for coloring PVC and to PVC colored with such mixtures, and also to plastics products comprising such mixtures.
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