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:
Jul. 28, 2020
Filed:
Sep. 28, 2015
Omya International Ag, Oftringen, CH;
Michael Pohl, Villach, AT;
Christian Rainer, Villach, AT;
Martin Brunner, Wallbach, CH;
Jürgen Spehn, Safenwil, CH;
Michael Tinkl, Gipf-Oberfrick, CH;
Dennis Werner, Olten, CH;
Armelle Senti-Wenk, Wettingen, CH;
Emmanuel Goutard, Les Taillades, FR;
OMYA INTERNATIONAL AG, Oftringen, CH;
Abstract
The present invention relates to a process for the preparation of an aqueous suspension comprising at least one calcium carbonate-comprising material, the calcium carbonate-comprising material having a ratio of particles having an average particle size dvalue to particles having an average particle size dvalue [d/d] in the range from 1.5 to 4 and the use of the calcium carbonate-comprising material in paper and board applications, in cosmetics, in caulks and sealants, in adhesives, in paints and coatings, in fibre applications, in plastics applications or for the replacement of PCC in general.