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:
Feb. 20, 2007
Filed:
Feb. 10, 2005
Applicant:
Gilles Baillet, Paris, FR;
Inventor:
Gilles Baillet, Paris, FR;
Assignee:
Essilor International Compagnie Generale d'Optique, Charenton, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/20 (2006.01); B32B 27/16 (2006.01); C08J 7/18 (2006.01); C08F 2/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method which consists in irradiating at least one face of the article with UV radiation, causing the article to be photodegraded over a thickness of at least 1 μm, and in contacting the irradiated face of the article with a colouring agent so as to diffuse the colouring agent in the entire thickness of the photodegraded surface layer of the article. The invention is useful for optical and ophthalmologic articles.