US Patent 7473448 Photoalignment of liquid crystals using poly(vinylstilbazolium) polymers

Patent 7473448 was granted and assigned to Eastman Kodak on January, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Thomas R. Welter0

David M. Teegarden0

Deepak Shukla0

Date of Patent

January 6, 2009

Patent Application Number

11318403

Date Filed

December 23, 2005

Patent Primary Examiner

Patent abstract

The present invention relates to a photoalignable material comprising a photoactive stilbazolium-containing polymer of formula I:

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