Method for grinding mineral material

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United States of America Patent

PATENT NO 11760886
APP PUB NO 20200255669A1
SERIAL NO

16466385

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Abstract

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The present invention relates to a method for producing mineral particles grinding a mineral material in the presence of a specific anionic polymer. The polymer used is obtained by means of polymerisation in the presence of sodium hypophosphite, disodium dipropionate trithiocarbonate and at least one radical-generating compound. The invention also relates to an aqueous composition comprising particles of ground mineral material and such a polymer, in particular a paper coating slip composition.

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Patent Owner(s)

Patent OwnerAddress
COATEX69730 GENAY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Champagne, Clementine Caluire-et-Cuire, FR 22 4
Jacquemet, Christian Lyons, FR 69 396
Magny, Benoit Cailloux sur Fontaines, FR 22 49
Mongoin, Jacques Quincieux, FR 78 511
Suau, Jean-Marc Lucenay, FR 178 667

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