Polyamic acid and polyimide from fluorinated reactant [Expired]

M Angelopolous (Inventor), J Gelorme (Inventor), J Labadie (Inventor), David Lewis (Inventor), S. Swanson (Inventor), N LaBianca (Inventor)

    Research output: Patent


    Copolyamic acid is obtained from tetracarboxylic acid dianhydride, diamine and a fluorinated diamine and/or fluorinated tetracarboxylic acid dianhydride; and optionally ester or amine salt derivative thereof to obtain radiation sensitive polymer; and low optical high thermally stable polyimide from curing the above polyamic acid and/or derivative thereof.
    Original languageEnglish
    Patent numberUS5464927A
    Priority date10/05/92
    Publication statusPublished - 1995


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