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:
Mar. 06, 2007
Filed:
Aug. 24, 2001
Applicants:
Sylvette Maisonnier, Moisselles, FR;
Pascale Tardieu, Paris, FR;
Jean-paul Cano, Chennevieres sur marne, FR;
Georges Wajs, Ivry sur Seine, FR;
Jean-pierre Vairon, Bourg la Reine, FR;
Bernadette Charleux, Vincennes, FR;
Inventors:
Sylvette Maisonnier, Moisselles, FR;
Pascale Tardieu, Paris, FR;
Jean-Paul Cano, Chennevieres sur marne, FR;
Georges Wajs, Ivry sur Seine, FR;
Jean-Pierre Vairon, Bourg la Reine, FR;
Bernadette Charleux, Vincennes, FR;
Assignee:
Essilor International Compagnie Generale d'Optique, Charenton Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/23 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a method for preparing a photochromic latex, photochromic thin films obtained therefrom, and articles coated with such thin films, in particular photochromic ophthalmic lenses.