Patents by Inventor M. Syed Rahmathullah

M. Syed Rahmathullah 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).

  • Prodrugs for antimicrobial amidines
    Patent number: 6649652
    Abstract: A methods of treating an infection comprises administering a therapeutically effective amount of a compound described by the Formula (I)
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: November 18, 2003
    Assignees: The University of North Carolina at Chapel Hill, Georgia State University Research Foundation, Inc.
    Inventors: David W. Boykin, M. Syed Rahmathullah, Richard R. Tidwell, James E. Hall
  • Novel prodrugs for antimicrobial amidines
    Publication number: 20030092755
    Abstract: A methods of treating an infection comprises administering a therapeutically effective amount of a compound described by the Formula (I): 1
    Type: Application
    Filed: July 30, 2002
    Publication date: May 15, 2003
    Inventors: David W. Boykin, M. Syed Rahmathullah, RIchard R. Tidwell, James E. Hall
  • Prodrugs for antimicrobial amidines
    Patent number: 6503940
    Abstract: A methods of treating an infection comprises administering a therapeutically effective amount of a compound described by the Formula (I): wherein: X may be O, S, or NR′ wherein R′ is H or loweralkyl, R1 and R2 may be independently selected from the group consisting of H, loweralkyl, oxyalkyl, alkoxyalkyl, cycloalkyl, aryl, hydroxyalkyl, aminoalkyl, and alkylaminoalkyl; R3 and R4 are each independently selected from the group consisting of H, loweralkyl, halogen, oxyalkyl, oxyaryl, and oxyarylalkyl; R5 is represented by a formula selected from the group consisting of: wherein: X1, X2, and X3 are independently selected from O and S; and R6 and R7 are independently selected from the group consisting of loweralkyl, aryl, alkylaryl, oxyaryl, an ester-containing substituent, and oxyalkyl; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: January 7, 2003
    Assignees: The University of North Carolina at Chapel Hill, Georgia State University Research Foundation, Inc.
    Inventors: David W. Boykin, M. Syed Rahmathullah, Richard R. Tidwell, James E. Hall
  • Prodrugs for antimicrobial amidines
    Patent number: 6486200
    Abstract: A methods of treating an infection comprises administering a therapeutically effective amount of a compound described by the Formula (I): wherein: X may be O, S, or NR′ wherein R′ is H or loweralkyl; R1 and R2 may be independently selected from the group consisting of H, loweralkyl, oxyalkyl, alkoxyalkyl, cycloalkyl, aryl, hydroxyalkyl, aminoalkyl, and alkylaminoalkyl; R3 and R4 are each independently selected from the group consisting of H, loweralkyl, halogen, oxyalkyl, oxyaryl, and oxyarylalkyl; R5 is represented by a formula selected from the group consisting of:  wherein: X1, X2, and X3 are independently selected from O and S; and R6 and R7 are independently selected from the group consisting of loweralkyl, aryl, alkylaryl, oxyaryl, an ester-containing substituent, and oxyalkyl; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: November 26, 2002
    Assignees: The University of North Carolina at Chapel Hill, Georgia State University Research Foundation, Inc.
    Inventors: David W. Boykin, M. Syed Rahmathullah, Richard R. Tidwell, James E. Hall
  • Novel prodrugs for antimicrobial amidines
    Publication number: 20020019437
    Abstract: A methods of treating an infection comprises administering a therapeutically effective amount of a compound described by the Formula (I): 1
    Type: Application
    Filed: July 31, 2001
    Publication date: February 14, 2002
    Inventors: David W. Boykin, M. Syed Rahmathullah, Richard R. Tidwell, James E. Hall