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    Novel phosphorus containing epoxy networks 

    McGrath, James E.; Gungor, Attila (United States Patent and Trademark Office, 1990-11-27)
    Epoxy resins can be cured or crosslinked with triphenyl phosphine oxide compounds having epoxy-reactive (active hydrogen) substituents either alone or in combination with amine-terminated polyarylene ethers (e.g., ...
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    Sulfonated polymer composition for forming fuel cell electrodes 

    McGrath, James E.; Hickner, Michael A. (United States Patent and Trademark Office, 2009-06-09)
    A membrane electrode assembly for a fuel cell is described. The materials for the membrane electrode assembly are formed from sulfonated polymers. A polymer dispersion ink containing the sulfonated polymer and a mixture ...
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    Method for making polyimide 

    McGrath, James E.; Mecham, Sue J. (United States Patent and Trademark Office, 2003-05-27)
    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 ...
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    High refractive index thermoplastic polyphosphonates 

    McGrath, James E.; Bhatnagar, Atul; Shobha, Hosadurga K.; Sekharipuram, Venkat (United States Patent and Trademark Office, 2003-11-25)
    High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These polymers are particularly useful for optical and ophthalmic parts, such as lenses. A method of preparing optical ...
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    Ion-conducting sulfonated polymeric materials 

    McGrath, James E.; Wang, Feng; Kim, Yu-Seung; Hickner, Michael A. (United States Patent and Trademark Office, 2008-04-22)
    Sulfonated polymers are made by the direct polymerization of a sulfonated monomer to form the sulfonated polymers. The types of sulfonated polymers may include polysulfones or polyimides. The sulfonated polymers can be ...
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    Novel phosphorus containing epoxy networks based on trihydrocarbyl phosphine oxides having active substituents 

    McGrath, James E.; Gungor, Attila (United States Patent and Trademark Office, 1992-02-04)
    Epoxy resins can be cured or crosslinked with trihydrocarbyl phosphine oxide compounds having epoxy-reactive (active hydrogen) substituents either alone or in combination with amine-terminated polyarylene ethers (e.g., ...
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    Chlorine resistant desalination membranes based on directly sulfonated poly(arylene ether sulfone) copolymers 

    McGrath, James E.; Freeman, Benny D.; Park, Ho Bum (United States Patent and Trademark Office, 2011-10-04)
    The present invention provides a membrane, kit, and method of making a hydrophilic-hydrophobic random copolymer membrane. The hydrophilic-hydrophobic random copolymer membrane includes a hydrophilic-hydrophobic random ...
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    High refractive index thermoplastic polyphosphonates 

    McGrath, James E.; Bhatnagar, Atul; Shobha, Hosadurga K.; Sekharipuram, Venkat (United States Patent and Trademark Office, 2006-06-27)
    High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These polymers are particularly useful for optical and ophthalmic parts, such as lenses. A method of preparing optical ...
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    Sulfonated polymer composition for forming fuel cell electrodes 

    McGrath, James E.; Hickner, Michael A. (United States Patent and Trademark Office, 2010-09-07)
    A membrane electrode assembly for a fuel cell is described. The materials for the membrane electrode assembly are formed from sulfonated polymers. A polymer dispersion ink containing the sulfonated polymer and a mixture ...
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    Poly(amide-acid) compositions derived from tetracarboxylic acid dianhyrides capable of solution imidization 

    McGrath, James E.; Gungor, Attila (United States Patent and Trademark Office, 1993-03-16)
    The imidization temperature of poly(amide-acid) compositions derived from tetracarboxylic acid dianhydrides can be lowered by use of a bis(aminophenoxyphenyl) phosphine oxide in the diamine component which is reacted with ...
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    Patent Typeutility (27)Inventor
    McGrath, James E. (27)
    Hickner, Michael A. (5)Bhatnagar, Atul (4)Gungor, Attila (4)Kim, Yu-Seung (3)... View MoreAssigneeVirginia Tech Intellectual Properties, Inc. (25)Virginia Polytechnic Institute and State University (4)Johnson & Johnson Vision Care, Inc. (3)Center for Innovative Technology (2)Board of Regents, The University of Texas System (1)... View MorePublication Date2010 - 2019 (5)2000 - 2009 (10)1990 - 1999 (12)Has File(s)Yes (27)

    If you believe that any material in VTechWorks should be removed, please see our policy and procedure for Requesting that Material be Amended or Removed. All takedown requests will be promptly acknowledged and investigated.

    Virginia Tech | University Libraries | Contact Us