Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds

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United States of America Patent

PATENT NO 8845804
APP PUB NO 20090301351A1
SERIAL NO

11988622

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Abstract

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The present invention is directed to a process for manufacturing a calcium carbonate product by the steps of (i) contacting calcium carbonate with of one or more zirconium compounds in an aqueous suspension and/or of an aqueous emulsion and/or of an aqueous solution to obtain a calcium carbonate-containing slurry, and (ii) grinding the calcium carbonate-containing slurry to obtain a calcium carbonate product.

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Patent Owner(s)

  • OMYA INTERNATIONAL AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Buri, Matthias Rothrist, CH 126 709
Kaessberger, Michael Sempach, CH 7 39
Schoelkopf, Joachim Killwangen, CH 70 323

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