Patents by Inventor Chad F. Stephens

Chad F. Stephens 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).

  • Synthesis and antimicrobial activity of novel dicationic “reversed amidines”
    Patent number: 7745456
    Abstract: The present invention relates to novel 2,5-bis{[alkyl (or aryl) imino] aminophenyl}furans and thiophenes of the general formula in which R1, R2, R3 and R4 are each independently selected from the group consisting of H, alkyl, alkoxy, halide, and alkylhalide groups; R5 is H, alkyl or aryl; R6 is H, alkyl, aryl, or NR7R8, in which R7 and R8 are each independently selected from the group consisting of H, alkyl and aryl; and X is O, S or NR9, in which R9 is H or alkyl, and to the use of such compounds.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: June 29, 2010
    Assignees: The University of North Carolina at Chapel Hill, Duke University, Georgia State University Research Foundation, Inc.
    Inventors: David W. Boykin, Richard R. Tidwell, W. David Wilson, John R. Perfect, Chad F. Stephens
  • Compounds, methods and compositions useful for the treatment of bovine viral diarrhea virus (BVDV) infection and hepatitis C virus (HCV) infection
    Patent number: 7410999
    Abstract: The present invention relates to novel compounds and methods that are useful in treating members of the Flaviviridae family of viruses. Compounds of the present invention will have a structure according to Formulas (I)-(VI) as recited throughout the application.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: August 12, 2008
    Assignees: University of North Carolinia at Chapel Hill, Georgia State University Research Foundation, Inc., Auburn University
    Inventors: Christine C. Dykstra, Maurice Daniel Givens, David A. Stringfellow, Kenny Brock, David Boykin, Arvid Kumar, W. David Wilson, Richard R. Tidwell, Chad F. Stephens
  • Compounds, methods and compositions useful for the treatment of bovine viral diarrhea virus (BVDV) infection and hepatitis C virus (HCV) infection
    Patent number: 7410989
    Abstract: The present invention relates to novel compounds and methods that are useful in treating members of the Flaviviridae family of viruses. Compounds of the present invention will have a structure according to Formulas (I)-(VI) as recited throughout the application.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: August 12, 2008
    Assignees: The University of North Carolina at Chapel Hill, Georgia State University Research Foundation, Inc., Auburn University
    Inventors: Christine C. Dykstra, Maurice Daniel Givens, David A. Stringfellow, Kenny Brock, David Boykin, Arvid Kumar, W. David Wilson, Richard R. Tidwell, Chad F. Stephens
  • Synthesis and antimicrobial activity of novel dicationic “reversed amidines”
    Patent number: 7241795
    Abstract: The present invention relates to novel 2,5-bis{[alkyl (or aryl) imino]aminophenyl}furans and thiophenes of the general formula in which R1, R2, R3 and R4 are each independently selected from the group consisting of H, alkyl, alkoxy, halide, and alkylhalide groups; R5 is H, alkyl or aryl; R6 is H, alkyl, aryl, or NR7R8, in which R7 and R8 are each independently selected from the group consisting of H, alkyl and aryl; and X is O, S or NR9, in which R9 is H or alkyl, and to the use of such compounds.
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: July 10, 2007
    Assignees: The University of North Carolina at Chapel Hill, Georgia State University Research Foundation, Inc., Duke University
    Inventors: David W. Boykin, Richard R. Tidwell, W. David Wilson, John R. Perfect, Chad F. Stephens
  • Compounds, methods and compositions useful for the treatment of bovine viral diarrhea virus (BVDV) infection and hepatitis C virus (HCV) infection
    Patent number: 7183286
    Abstract: The present invention relates to novel compounds and methods that are useful in treating members of the Flaviviridae family of viruses. Compounds of the present invention will have a structure according to Formulas (I)–(VI) as recited throughout the application.
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: February 27, 2007
    Assignees: The University of North Carolina at Chapel Hill, Auburn University, Georgia State University Research Foundation, Inc.
    Inventors: Christine C. Dykstra, Maurice Daniel Givens, David A. Stringfellow, Kenny Brock, David W. Boykin, Arvid Kumar, W. David Wilson, Richard R. Tidwell, Chad F. Stephens
  • Compounds, methods and compositions useful for the treatment of bovine viral diarrhea virus (BVDV) infection and hepatitis C virus (HCV) infection
    Patent number: 7163955
    Abstract: The present invention relates to novel compounds and methods that are useful in treating members of the Flaviviridae family of viruses. Compounds of the present invention will have a structure according to Formulas (I)–(VI) as recited throughout the application.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: January 16, 2007
    Assignees: The University of North Carolina at Chapel Hill, Georgia State University Research Foundation, Inc., Auburn University
    Inventors: Christine C. Dykstra, Maurice Daniel Givens, David A. Stringfellow, Kenny Brock, David Boykin, Arvid Kumar, W. David Wilson, Richard R. Tidwell, Chad F. Stephens
  • Synthesis and antimicrobial activity of novel dicationic "reversed amidines"
    Publication number: 20040235927
    Abstract: The present invention relates to novel 2,5-bis{[alkyl (or aryl) imino]aminophenyl}furans and thiophenes of the general formula 1
    Type: Application
    Filed: March 2, 2004
    Publication date: November 25, 2004
    Inventors: David W. Boykin, Richard R. Tidwell, W. David Wilson, John R. Perfect, Chad F. Stephens
  • Synthesis and antimicrobial activity of novel dicationic “reversed amidines”
    Patent number: 6737440
    Abstract: The present invention relates to novel 2,5-bis {[alkyl(or aryl)imino]aminophenyl}furans and thiophenes of the general formula in which R1, R2, R3 and R4 are each independently selected from the group consisting of H, alkyl, alkoxy, halide, and alkylhalide groups; R5 is H, alkyl or aryl; R6 is H, alkyl, aryl, or NR7R8, in which R7 and R8 are each independently selected from the group consisting of H, alkyl and aryl; and X is O, S or NR9, in which R9 is H or alkyl, and to the use of such compounds.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: May 18, 2004
    Assignees: The University of North Carolina at Chapel Hill, Georgia State University Research Foundation, Inc., Duke University
    Inventors: David W. Boykin, Richard R. Tidwell, W. David Wilson, John R. Perfect, Chad F. Stephens
  • Synthesis and antimicrobial activity of novel dicationic"reversed amidines"
    Publication number: 20030083362
    Abstract: The present invention relates to novel 2,5-bis {[alkyl (or aryl) imino] aminophenyl} furans and thiophenes of the general formula 1
    Type: Application
    Filed: November 6, 2001
    Publication date: May 1, 2003
    Inventors: David W. Boykin, Richard R. Tidwell, W. David Wilson, John R. Perfect, Chad F. Stephens