Title: High refractive index thermoplastic polyphosphonates
Application Number: 00814091 Application Date: 2000.11.10
Publication Number: 1387545 Publication Date: 2002.12.25
Approval Pub. Date: 2005.10.26 Granted Pub. Date: 2005.10.26
International Classifi-cation: C08G79/02;C08G63/00;C08C19/14;C08F8/22
Applicant(s) Name: Johnson Address:
Inventor(s) Name: H. Shobha;J.E. Mcgrath;V. Sekharipuram
Attorney & Agent: ren zonghua
Abstract:
    High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These poylmers 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.
Time: 5