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. 30, 2026
Filed:
Feb. 14, 2020
Applicant:
Omya International Ag, Oftringen, CH;
Inventors:
Assignee:
OMYA INTERNATIONAL AG, Oftringen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 11/18 (2006.01); C09C 1/02 (2006.01);
U.S. Cl.
CPC ...
C01F 11/181 (2013.01); C09C 1/021 (2013.01); C01P 2004/03 (2013.01); C01P 2004/51 (2013.01); C01P 2004/62 (2013.01); C01P 2006/12 (2013.01); C01P 2006/82 (2013.01);
Abstract
The present invention refers to a process for producing nano precipitated calcium carbonate (nano-PCC), as well as to the nano precipitated calcium carbonate (nano-PCC) obtained by such a process and a system for producing the nano precipitated calcium carbonate (nano-PCC) comprising at least one dry mill, preferably a dry sandmill. Furthermore, the present invention refers to the use of the nano precipitated calcium carbonate (nano-PCC) as well as to the use of the inventive system for producing nano precipitated calcium carbonate (nano-PCC).