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.

Date of Patent:
Apr. 24, 2018

Filed:

Apr. 15, 2015
Applicant:

Omya International Ag, Oftringen, CH;

Inventors:

Samuel Rentsch, Spiegel bei Bern, CH;

Fabio Ippolito, Oftringen, CH;

Matthias Welker, Hésingue, FR;

Patrick A. C. Gane, Rothrist, CH;

Assignee:

Omya International AG, Oftringen, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/02 (2006.01); C08K 9/04 (2006.01); C01F 11/18 (2006.01); C09D 7/12 (2006.01); D21H 17/67 (2006.01); D21H 19/38 (2006.01); C08K 3/26 (2006.01);
U.S. Cl.
CPC ...
C09C 1/021 (2013.01); C01F 11/185 (2013.01); C08K 3/26 (2013.01); C08K 9/04 (2013.01); C09D 7/1225 (2013.01); C09D 7/1283 (2013.01); D21H 17/675 (2013.01); D21H 19/385 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/12 (2013.01); C08K 2003/265 (2013.01); C08K 2201/005 (2013.01); C08K 2201/006 (2013.01);
Abstract

The present invention relates to a process for the production of a mineral filler product comprising a step of dry grinding a calcium carbonate-containing material in the presence of an agent being a polyol. The mineral filler product according to the present invention was found to have a reduced moisture pickup as compared to prior art products.


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