Polyamic acid and polyimide from fluorinated reactant [Expired]

Marie Angelopolous (Inventor), Jeffrey D Gelorme (Inventor), Jeffrey W Labadie (Inventor), David A Lewis (Inventor), Sally A Swanson (Inventor), Nancy C 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 date10/05/93
    Filing date10/05/93
    Publication statusPublished - 1995

    Bibliographical note

    Status: Expired - Fee Related


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