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:
Aug. 07, 2018
Filed:
Oct. 04, 2012
Applicant:
Imerys SA, Paris, FR;
Inventors:
Alexandra Jakob, Arles, FR;
Christophe Guiton, Salin de Giraud, FR;
Jean-Luc Rico, Salin de Giraud, FR;
Assignee:
Imerys SA, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C01F 11/18 (2006.01); C09C 1/02 (2006.01); D21H 19/38 (2006.01); D21H 21/52 (2006.01); C09D 5/02 (2006.01); D21H 17/67 (2006.01); B82Y 30/00 (2011.01); C09D 7/42 (2018.01); C09D 7/61 (2018.01); C09D 7/62 (2018.01);
U.S. Cl.
CPC ...
C01F 11/18 (2013.01); B82Y 30/00 (2013.01); C01F 11/183 (2013.01); C09C 1/021 (2013.01); C09D 5/028 (2013.01); C09D 7/42 (2018.01); C09D 7/61 (2018.01); C09D 7/62 (2018.01); D21H 17/675 (2013.01); D21H 19/385 (2013.01); D21H 21/52 (2013.01); C01P 2004/03 (2013.01); C01P 2004/16 (2013.01); C01P 2004/45 (2013.01); C01P 2004/54 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/60 (2013.01); Y10T 428/2982 (2015.01);
Abstract
Use, as an opacifier, of precipitated calcium carbonate particles at least partially in the form of nano fibers or nanochain like agglomerates constituted by at least two interconnected primary particles.