Method for improving rheological properties of an aqueous pigment slurry and a dispersion agent

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United States of America Patent

PATENT NO RE46649
SERIAL NO

15142252

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Abstract

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The invention relates to a method for improving rheological properties of an aqueous pigment slurry. In the method dispersion agent is added to an aqueous phase of a slurry comprising pigment particles or to the aqueous phase into which the pigment particles are to be added. The dispersion agent comprises styrene acrylate copolymer. The invention also relates to a dispersion agent for a pigment slurry comprising a first component comprising styrene acrylate copolymer and a second component comprising a conventional dispersion agent, such as a straight-chain polyacrylate.

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Patent Owner(s)

  • KEMIRA OYJ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aarni, Esko Espoo, FI 6 10
Heiska, Perttu Espoo, FI 12 29
Huhtala, Kimmo Turku, FI 12 25

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