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. 23, 2004
Filed:
Oct. 29, 2001
Essilor International Compagnie Generale d'Optique, Charenton cedex, FR;
Abstract
The composite ophthalmic lens ( ) comprises a first layer ( ), at least 200 micrometers thick, forming a front part of said lens, of a first polymeric material of refractive index higher than or equal to 1.60 and having a front face ( ) constituting a front optical surface S1, and a second layer ( ), at least 200 micrometers thick, of a second polymeric material forming a rear part of said lens and having a rear face ( ) constituting a rear optical surface S2, the interface ( ) between these two layers constituting an optical surface S3 parallel to the rear optical surface S2.
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