Optic devices formed from melt processable thermoplastic materials having a high refractive index
AssigneesInnotech, Inc., Johnson & Johnson Vision Care, Virginia Tech Intellectual Properties, Inc.
InventorsJames E. McGrath, Venkateshwaran N. Sekharipuram
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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.
Claims15
An ophthalmic lens, lens blank, or lens preform comprising a thermoplastic material of the formula:
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A process for forming an ophthalmic lens, lens blank, or lens preform comprising the step of polymerizing a phosphine oxide moiety and a cyclic aryl moiety, a bicyclic aryl moiety, or mixtures thereof said polymer comprising a thermoplastic material.
Dependencies are inferred from the claim text.