High refractive index thermoplastic polyphosphonates

Details High refractive index thermoplastic polyphosphonates High refractive index thermoplastic polyphosphonates

2008-05-20

2008-05-20

Truong, Duc (Department: 1796)

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

Synthetic resins

From phosphorus-containing reactant

C528S176000, C528S167000, C525S532000, C525S097000, C525S210000, C525S212000, C351S159000, C264S001320

Reexamination Certificate

active

11475542

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.

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