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:
May. 21, 2019
Filed:
Oct. 20, 2015
Applicant:
Omya International Ag, Oftringen, CH;
Inventors:
Daniel E. Gerard, Basel, CH;
Patrick A. C. Gane, Rothrist, CH;
Assignee:
Omya International AG, Oftringen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 11/18 (2006.01); D21H 17/67 (2006.01); D21H 19/38 (2006.01);
U.S. Cl.
CPC ...
C01F 11/182 (2013.01); C01F 11/18 (2013.01); D21H 17/675 (2013.01); D21H 19/385 (2013.01); C01P 2002/70 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/12 (2013.01); C01P 2006/22 (2013.01); C01P 2006/80 (2013.01);
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, and a precipitation enhancer, and subsequently, the milk of lime is carbonated to form an aqueous suspension of precipitated calcium carbonate.