Polyimides for use as high refractive index, thin film...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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C524S113000, C524S360000

Reexamination Certificate

active

10932792

ABSTRACT:
New compositions for use as high refractive index layers are provided. The compositions comprise a polyimide dispersed or dissolved in a solvent system. The polyimide can be prepared from commercially available dianhydrides and diamines. Preferred polymer include recurring monomers selected from the group consisting ofThe inventive compositions can form strong, thin films and have high refractive indices making them useful in a wide range of optical applications.

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