High refractive index thermoplastic polyphosphonates

Publication Date
2001-09-11Filing Date
1999-11-12Inventor
McGrath, James E.
Bhatnagar, Atul
Shobha, Hosadurga K.
Sekharipuram, Venkat
Metadata
Show full item recordAbstract
High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These polymers are particularly useful for optical and ophthalmic parts, such as lenses. A method of preparing optical and ophthalmic lenses by injection molding the polymers of the present invention into the form of the optical or ophthalmic lenses is also provided.
Assignee
Johnson & Johnson Vision Care, Inc.
Virginia Tech Intellectual Properties, Inc.
Patent Number
6288210
Application Number
9439825
Primary/U.S. Class
264/1.32
Other/U.S. Class
351/159.1
525/97
525/210
525/212
525/538
528/398
528/167
528/176
CPC Class
C08G79/04
Patent Type
utility
Collections
- Virginia Tech Patents [687]