Patents Represented by Attorney Palaiyur S. Ralyanaraman

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  • High extinction polarizer films comprising liquid crystal polymeric moieties
    Patent number: 5667719
    Abstract: This invention provides all organic high extinction polarizers based on blends of novel liquid crystalline polymers and suitable dichroic dyes. The invention further provides a process to prepare such polarizer films.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 16, 1997
    Assignee: Hoechst Celanese Corp.
    Inventors: Mohammad Mortazavi, Hyun Nam Yoon, Chia-Chi Teng