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:
Mar. 30, 2021
Filed:
Aug. 19, 2016
Applicant:
Omya International Ag, Oftringen, CH;
Inventors:
Samuel Rentsch, Spiegel bei Bern, CH;
René Vinzenz Blum, St. Urban, CH;
Patrick A. C. Gane, Rothrist, CH;
Assignee:
Omya International AG, Blue Ash, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/02 (2006.01); C09C 3/04 (2006.01); C09C 3/12 (2006.01);
U.S. Cl.
CPC ...
C09C 1/021 (2013.01); C09C 3/04 (2013.01); C09C 3/12 (2013.01); C01P 2004/61 (2013.01); C01P 2006/22 (2013.01); C01P 2006/82 (2013.01); C01P 2006/88 (2013.01);
Abstract
A process for the preparation of a mineral filler product is disclosed, the process comprising a step of dry grinding a calcium carbonate-comprising material in a mixture obtained by contacting the calcium carbonate-comprising material with at least one polydimethylsiloxane as grinding agent.