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US 2002/0164280 A1Published application
Process for preparing precipitated calcium carbonates
AssigneeSolvay Soda Deutschland GmbH
InventorsAndreas Kinnen, Helmut Dillenburg, Kurt Schinninger, Christoph Nover
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Abstract
A process for the preparation of precipitated calcium carbonate by introducing CO2 into milk of lime, in which the milk of lime is first ground, and then the CO2 is introduced to precipitate the calcium carbonate.
Claims4
A process for the preparation of precipitated calcium carbonate with reproducible application-related properties, said method comprising the steps of:
- subjecting milk of lime to specific grinding treatment to obtain ground milk of lime, and
- thereafter introducing CO2 into the ground milk of lime to precipitate the calcium carbonate.
Dependencies are inferred from the claim text.