Optic devices formed from melt processable thermoplastic materials having a high refractive index
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TR Number
Date
1999-12-28
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Journal ISSN
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Publisher
United States Patent and Trademark Office
Abstract
This invention relates generally to optic devices such as ophthalmic lenses, lens blanks, and lens preforms, made from a thermoplastic material of a specific formula and a process for forming the same.