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    High refractive index thermoplastic polyphosphonates

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    6288210.pdf (372.5Kb)
    Downloads: 52
    Publication Date
    2001-09-11
    Filing Date
    1999-11-12
    Inventor
    McGrath, James E.
    Bhatnagar, Atul
    Shobha, Hosadurga K.
    Sekharipuram, Venkat
    Metadata
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    Abstract
    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
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/10/882/062/0.pdf
    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
    URI
    http://hdl.handle.net/10919/72435
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    • Virginia Tech Patents [687]

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