Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
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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McGrath James E.
Sekharipuram Venkateshwaran N.
Innotech, Inc., Johnson & Johnson Vision Care
Truong Duc
Virginia Tech Intellectual Properties Inc.
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