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:
Nov. 09, 2021
Filed:
Jul. 20, 2017
Applicant:
Omya International Ag, Oftringen, CH;
Inventors:
Daniel E. Gerard, Basel, CH;
Samuel Rentsch, Spiegel bei Bern, CH;
Matthias Welker, HĂ©singue, FR;
Simon Urwyler, Bern, CH;
Joachim Glaubitz, Pfaffnau, CH;
Martina Elisabeth Knupfer, Rotkreuz, CH;
Patrick A. C. Gane, Rothrist, CH;
Assignee:
OMYA INTERNATIONAL AG, Oftringen, CH;
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/02 (2006.01); D21H 17/67 (2006.01); D21H 19/38 (2006.01); D21H 21/52 (2006.01);
U.S. Cl.
CPC ...
C09C 1/022 (2013.01); D21H 17/675 (2013.01); D21H 19/385 (2013.01); D21H 21/52 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01); C01P 2006/16 (2013.01); C01P 2006/22 (2013.01);
Abstract
A process of producing a surface-reacted calcium carbonate is described. In embodiments, a calcium carbonate-comprising material is treated with at least one HOion donor, carbon dioxide, and at least one water-soluble metal cation source in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate. A surface-reacted calcium carbonate obtained by said process and its use are also described.