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:
Jun. 19, 2018
Filed:
Apr. 30, 2015
Applicants:
Omya International Ag, Oftringen, CH;
Coatex, Genay, FR;
Inventors:
Marc Maurer, Village-Neuf, FR;
Christian Jacquemet, Lyons, FR;
Mathieu Skrzypczak, Terrace Park, OH (US);
Assignees:
Omya International AG, Oftringen, CH;
Coatex, Genay, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 11/18 (2006.01); C09C 1/02 (2006.01); C08K 3/26 (2006.01);
U.S. Cl.
CPC ...
C01F 11/183 (2013.01); C08K 3/26 (2013.01); C09C 1/021 (2013.01); C01P 2004/51 (2013.01); C01P 2006/12 (2013.01); C01P 2006/22 (2013.01); C08K 2003/265 (2013.01); Y02P 20/582 (2015.11);
Abstract
The present invention is directed to a process for producing an aqueous suspension of precipitated calcium carbonate, wherein a milk of lime is prepared by mixing water, a calcium oxide containing material, at least one water-soluble polymer having a molecular weight Min the range from 200 to 6500 g/mol, and at least one slaking additive, and subsequently, the milk of lime is carbonated to form an aqueous suspension of precipitated calcium carbonate.