Patents by Inventor David End

David End has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20080103150
    Abstract: a prodrug, N-oxide, addition salt, quaternary amine or stereochemically isomeric form thereof, wherein L1 and L2 are R1—Y— wherein each (R1—Y)— substituent is defined independently of the other; Y is C1-4alkanediyl, C2-4alkenediyl, C2-4alkynediyl, C(?O), or a direct bond; R1 is hydrogen, cyano, aryl or a substituted or unsubstituted C1-14heterocycle; =Z1-Z2=Z3- represents a radical of formula ?N—N?CH— (a-1), ?N—CH?N— (a-2), ?CH—N?N— (a-3); X is SO2, (CH2), wherein n is 1 to 4, C(?O), C(?S), or a direct bond; R2 is aryl, C3-7cycloalkyl, C3-7cycloalkyl substituted with one or more substituents independently selected from hydroxy, aryl, aryloxy, a substituted or unsubstituted C1-14heterocycle, C3-7cycloalkyl, hydroxycarbonyl, C1-6alkyloxycarbonyl, hydroxyC1-6alkyl, hydroxyC1-6alkyloxy, hydroxyC1-6alkylthio and arylC1-6alkylthio, C1-12alkyl or C1-12alkyl substituted with one or more substituents independently selected from hydroxy, aryl, aryloxy, a substituted or unsubstituted C1-14heterocycle, C3-7cycloalky
    Type: Application
    Filed: October 29, 2007
    Publication date: May 1, 2008
    Inventors: Ashis Saha, David End, Bart De Corte, Henry Breslin, Li Liu
  • Publication number: 20070259902
    Abstract: (?)-5 -(3-Chlorophenyl)-?-(4-chlorophenyl)-?-(1-methyl-1H-imidazol-5 -yl)tetrazolo-[1,5-a]quinazoline-7-methanamine and its pharmaceutically acceptable acid addition salts, and the use of such compounds in medicine especially for the treatment of cancer
    Type: Application
    Filed: January 31, 2007
    Publication date: November 8, 2007
    Inventors: Marc Venel, Patrick Angibaud, David End
  • Publication number: 20050234117
    Abstract: a prodrug, N-oxide, addition salt, quaternary amine or stereochemically isomeric form thereof, wherein L1 and L2 are R1—Y— wherein each (R1—Y)— substituent is defined independently of the other; Y is C1-4alkanediyl, C2-4alkenediyl, C2-4alkynediyl, C(?O), or a direct bond; R1 is hydrogen, cyano, aryl or a substituted or unsubstituted C1-14heterocycle; =Z1-Z2=Z3- represents a radical of formula ?N—N?CH— (a-1), ?N—CH?N— (a-2), ?CH—N?N— (a-3); X is SO2, (CH2)n wherein n is 1 to 4, C(?O), C(?S), or a direct bond; R2 is aryl, C3-7cycloalkyl, C3-7cycloalkyl substituted with one or more substituents independently selected from hydroxy, aryl, aryloxy, a substituted or unsubstituted C1-14heterocycle, C3-7cycloalkyl, hydroxycarbonyl, C1-6alkyloxycarbonyl, hydroxyC1-6alkyl, hydroxyC1-6alkyloxy, hydroxyC1-6alkylthio and arylC1-6alkylthio, C1-12alkyl or C1-12alkyl substituted with one or more substituents independently selected from hydroxy, aryl, aryloxy, a substituted or unsubstituted C1-14heterocycle, C3-7cycloalky
    Type: Application
    Filed: June 2, 2005
    Publication date: October 20, 2005
    Inventors: Ashis Saha, David End, Bart De Corte, Henry Breslin, Li Liu