Pigment dispersions

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United States of America Patent

PATENT NO 9416278
APP PUB NO 20140190370A1
SERIAL NO

14112470

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Abstract

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This invention relates to compositions that are dispersions of pigments in the form of premixes that may be used to color a variety of products such as plastics materials, inks and surface coatings and more particularly to compositions that are thixotropic. It also relates to premixes based on water soluble pigments that display Newtonian rheology. The compositions utilise water insoluble pigments having particle sizes that are less then about 10 microns. Both the thixotropic compositions and the Newtonian compositions include water soluble polyols and water. The pH of the premix may be adjusted to be in the range of 4-9 utilising acid or alkali as appropriate.

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Patent Owner(s)

Patent OwnerAddress
SABOORI FARSHID3 EMMA CLOSE BONNYRIGG NSW 2177 AUSTRALIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saboori, Farshid Bonnyrigg, AU 1 0

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