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    Method for making polyimide

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    6569984.pdf (258.4Kb)
    Downloads: 63
    Publication Date
    2003-05-27
    Filing Date
    2001-04-27
    Inventor
    McGrath, James E.
    Mecham, Sue J.
    Metadata
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    Abstract
    The invention is directed to method for making a polyimide by converting the dianhydride to the ester acid and reacting the ester acid with a diamine. The invention allows for the controlled addition of aliphatic diamines resulting in control of the polyimide properties such as the glass transition temperature, solubility, and melt processability.
    Assignee
    Virginia Tech Intellectual Properties, Inc.
    Patent Number
    6569984
    Application Number
    9843142
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/84/699/065/0.pdf
    Primary/U.S. Class
    528/170
    Other/U.S. Class
    528/125
    528/126
    528/128
    528/172
    528/173
    528/183
    528/188
    528/220
    528/229
    528/272
    528/350
    528/353
    CPC Class
    C08G73/1042
    C08G69/26
    C08G69/28
    C08G73/1007
    H05K1/0346
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72470
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