Coated particles of calcium carbonate having a high specific...

Details Coated particles of calcium carbonate having a high specific... Coated particles of calcium carbonate having a high specific...

2005-11-09

2010-12-07

Choi, Ling-Siu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S425000

Reexamination Certificate

active

07847002

ABSTRACT:
The present invention relates to particles of an alkaline earth metal carbonate which are at least partially coated with at least one coating agent and which have a specific surface of more than 50 m2g−1before coating. Preferably, the alkaline earth metal is calcium and the coating agent comprises a compound selected from the group consisting of organic sulfonic acids, alkylsulfates, fatty acids and the salts thereof.

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