Optic devices formed from melt processable thermoplastic materia

Details Optic devices formed from melt processable thermoplastic materia Optic devices formed from melt processable thermoplastic materia

1997-08-15

1999-12-28

Truong, Duc

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525191, 525196, 525200, 525212, 351177, C08F27500, G02C 702

Patent

active

060082992

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.

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