Virginia Tech
    • Log in
    Search 
    •   VTechWorks Home
    • Virginia Tech Patents
    • Search
    •   VTechWorks Home
    • Virginia Tech Patents
    • Search
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Search

    Show Advanced FiltersHide Advanced Filters

    Filters

    Use filters to refine the search results.

    Now showing items 1-10 of 21

    • Sort Options:
    • Relevance
    • Title Asc
    • Title Desc
    • Issue Date Asc
    • Issue Date Desc
    • Results Per Page:
    • 5
    • 10
    • 20
    • 40
    • 60
    • 80
    • 100
    Thumbnail

    Formation of poly(benzimidazole) 

    Gibson, Harry W.; Jois, Yajnanarayana H. (United States Patent and Trademark Office, 1991-11-19)
    A poly Ressert can be formed by first reacting benzimidazole with an aliphatic diacid chloride to form bisbenzimidazole and then reacting the bisbenzimidazole with an aliphatic diacid chloride and cyanide to form the poly ...
    Thumbnail

    Mono- and di(functionally-substituted phenylene) semi-rigid crowns and precursors thereof 

    Gibson, Harry W.; Delaviz, Yadollah (United States Patent and Trademark Office, 1994-07-19)
    Bis(carboalkoxy-substituted m-phenylene)-32-crown-10 compounds, useful as polymerizable monomers, can be formed in one step by reacting a functionalized dihydroxy aromatic compound with a dihalopolyether. In the same ...
    Thumbnail

    Reversible, mechanically interlocked polymeric networks which self-assemble 

    Gibson, Harry W.; Gong, Caiguo (United States Patent and Trademark Office, 2000-08-08)
    Polymeric structure involving a first polymer having a linear segment and a second polymer having a macrocyle which is threaded onto said linear segment to form a rotaxane complex. The rotaxane complex is capable of ...
    Thumbnail

    Formation of reissert compound of benzoyl benzimidazole 

    Gibson, Harry W.; Jois, Yajnanarayana H. (United States Patent and Trademark Office, 1991-03-19)
    The Reissert compound of 1-benzoylbenzimidazole can be formed by reaction of an acid chloride (e.g., benzoyl chloride) and cyanide (e.g., trimethylsilyl cyanide) with benzoyl benzimidazole. It has the formula: ##STR1## and ...
    Thumbnail

    Bis(functionally-substituted phenylene) semi-rigid crowns and process for making 

    Gibson, Harry W.; Delaviz, Yadollah (United States Patent and Trademark Office, 1991-07-02)
    Bis(carboalkoxy-substituted phenylene)-32-crown-10 compounds, useful as polymerizable monomers, can be formed by first reacting a functionalized dihydroxy aromatic compound with a hydroxy protecting group-substituted ...
    Thumbnail

    Formation of acyclic bis (reissert compounds) 

    Gibson, Harry W.; Jois, Yajnanarayana H. (United States Patent and Trademark Office, 1991-02-26)
    Bis Reissert compounds can be formed by reaction of a cyanohydrin, formed by reaction of an aldehyde and a diamine, with benzoyl chloride in the presence of an amine acid acceptor.
    Thumbnail

    Polyamide containing reissert unit(s) 

    Gibson, Harry W.; Jois, Yajnanarayana H. (United States Patent and Trademark Office, 1993-03-16)
    Polyamide compositions containing Reissert units can be formed by the reaction of an open chain bis Reissert compound or a mono Reissert compound with a diamine and a diacid chloride.
    Thumbnail

    Isoquinoline-containing poly(Reissert compounds) 

    Gibson, Harry W.; Jois, Yajnanarayana H. (United States Patent and Trademark Office, 1993-03-02)
    Poly (Reissert compounds) can be formed by reaction of a coupled bis(isoquinoline), e.g., a 4,4' -coupled bis(isoquinoline), a diacid chloride, e.g. adipoyl chloride, and a source of cyanide, e.g., trimethylsilyl cyanide.
    Thumbnail

    Formation of Reissert compound of bisbenzimidazole 

    Gibson, Harry W.; Jois, Yajnanarayana H. (United States Patent and Trademark Office, 1991-06-04)
    A Reissert compound of bisbenzimidazole can be formed by first reacting benzimidazole with an aliphatic diacid chloride to form bisbenzimidazole and then reacting the bisbenzimidazole with an aliphatic acid chloride and ...
    Thumbnail

    Dibenzo crown monomers and polymers formed therefrom 

    Gibson, Harry W.; Delaviz, Yadollah (United States Patent and Trademark Office, 1994-04-12)
    Novel bis(extraannular functionally-substituted phenylene) crown compounds, useful as chelating agents or in the synthesis of condensation polymers containing large semi-rigid macrocycles in the polymer backbone, are ...
    • 1
    • 2
    • 3

    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
     

     

    Browse

    All of VTechWorksCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CommunityBy Issue DateAuthorsTitlesSubjects

    My Account

    Log inRegister

    Discover

    Patent Typeutility (21)Inventor
    Gibson, Harry W. (21)
    Jois, Yajnanarayana H. (10)Delaviz, Yadollah (5)Cott, Kevin Van (2)Davis, Richey M. (2)... View MoreAssigneeVirginia Tech Intellectual Properties, Inc. (20)Virginia Polytechnic Institute and State University (2)Center for Innovative Technology (1)Publication Date2000 - 2007 (3)1990 - 1999 (18)Has File(s)Yes (21)

    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