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. 03, 2002
Filed:
Jul. 16, 1999
Applicant:
Inventors:
Jean-Pierre Degand, Paris, FR;
Anne Robert, Creteil, FR;
Assignee:
Essilor International Compagnie Generale d'Optique, Charenton Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/516 ; B32B 2/530 ; B32B 2/736 ; B32B 2/740 ; G02C 7/02 ;
U.S. Cl.
CPC ...
B32B 2/516 ; B32B 2/530 ; B32B 2/736 ; B32B 2/740 ; G02C 7/02 ;
Abstract
The ophthalmic lens according to the invention includes a substrate made of organic glass, at least one abrasion-resistant coating and at least one primer layer inserted between the substrate and the abrasion-resistant coating, the impact-resistant primer layer being formed from a latex composition including at least one latex comprising butadiene units.