Hoechst Celanese Corporation

Ching F Shu

Karsten Blatter

Ronald N DeMartino

Harris A Goldberg

Anthony J East

Michael J Sansone

Thomas M Leslie

James L McGinnis

Frank Battito

This invention provides novel polymers which contain discrete photoconductive and electrooptic moieties. The moieties may exist as part of the main chain of the polymer or as pendant side chains. The polymers have utility as transparent photorefractive media in photorefractive devices. An invention polymer where both the photoconductive and electrooptic moieties exist as pendant side chains is illustrated by the copolymer of the following structure: ##STR1##

Photorefractive polymers containing discrete photoconductive and

This invention provides novel vinyl polymers with pendant side chains which exhibit nonlinear optical response. The polymers have utility as a transparent optical media in optical devices. An invention vinyl polymer is illustrated by the acrylate copolymer of the following structure: ##STR1##

Vinyl polymers exhibiting nonlinear optical response

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New Providence, NJ, United States of America

Ching F Shu