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US Patent 7820085 Methods relating to molding optical lenses

Patent 7820085 was granted and assigned to Essilor on October, 2010 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
1

Patent attributes

Current Assignee
Essilor
Essilor
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
78200851
Patent Inventor Names
Gabriel Keita1
Joseph Boryslawski1
Date of Patent
October 26, 2010
1
Patent Application Number
106965031
Date Filed
October 29, 2003
1
Patent Primary Examiner
‌
Mathieu D. Vargot
1
Patent abstract

A method that includes providing a cavity defined by at least a portion of a mold and a closure member attached to the portion of the mold, the portion of the mold being oriented vertically and having a top and a bottom, and a sealing material being positioned near the bottom and attached to the closure member; puncturing the sealing material and the closure member with an instrument near the bottom, the puncturing creating an opening in the sealing material; and introducing a polymerizable composition into the cavity through the instrument. A method useful in testing sealing materials. Other methods are also disclosed.

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