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:
Dec. 25, 2012
Filed:
Apr. 04, 2008
Applicants:
Frédéric Chaput, Lyons, FR;
Fabien Berit-debat, Charenton le Pont, FR;
Claudine Biver, Charenton le Pont, FR;
Noémie Lesartre, Paris, FR;
Inventors:
Frédéric Chaput, Lyons, FR;
Fabien Berit-Debat, Charenton le Pont, FR;
Claudine Biver, Charenton le Pont, FR;
Noémie Lesartre, Paris, FR;
Assignee:
Essilor International (Compagnie Generale d'Optique), Charenton le Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 25/02 (2006.01); C08K 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for preparing a colloidal solution of non-aggregated zirconia particles, comprising the following steps: