The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 30, 2014
Filed:
Jul. 11, 2006
Applicants:
Matthias Buri, Rothrist, CH;
Joachim Schoelkopf, Killwangen, CH;
Michael Kaessberger, Sempach, CH;
Inventors:
Assignee:
Omya International AG, Oftringen, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/00 (2006.01); C09C 3/04 (2006.01);
U.S. Cl.
CPC ...
C09C 3/041 (2013.01);
Abstract
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.