Patents by Inventor Dennis E. Hruby

Dennis E. Hruby 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: 20120107276
    Abstract: Described herein are 4-methyl-piperazine-1-carbothioic acid amide derivatives and analogs, as well as compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by hemorrhagic fever viruses, such as Arenaviruses.
    Type: Application
    Filed: December 28, 2011
    Publication date: May 3, 2012
    Applicant: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Dongcheng Dai
  • Patent number: 8148428
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, and Pichinde), Filoviridae (Ebola and Marburg viruses), Flaviviridae (yellow fever, Omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: April 3, 2012
    Assignee: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Sean Amberg, Dongcheng Dai
  • Publication number: 20120071447
    Abstract: Methods, compounds, and pharmaceutical compositions for treating an arenavirus infections are disclosed. Methods for preparing the compounds and pharmaceutical compositions are also disclosed. The novel compounds and compositions are used for treatment of an arenavirus infections, which include but are not limited to the following viruses: Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pichinde, and LCMV.
    Type: Application
    Filed: November 10, 2011
    Publication date: March 22, 2012
    Applicant: Siga Technologies Inc.
    Inventors: Dongcheng Dai, Sean M. Amberg, Tove Bolken, Dennis E. Hruby
  • Patent number: 8106058
    Abstract: Described herein are 4-methyl-piperazine-1-carbothioic acid amide derivatives and analogs, as well as compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by hemorrhagic fever viruses, such as Arenaviruses.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: January 31, 2012
    Assignee: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Dongcheng Dai
  • Publication number: 20120022046
    Abstract: Methods and pharmaceutical compositions for treating viral infections, by administering certain thienopyridine derivative compounds in therapeutically effective amounts are disclosed. Methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by flavivirus is disclosed, i.e., including but not limited to, Dengue virus, West Nile virus, yellow fever virus, Japanese encephalitis virus, and tick-borne encephalitis virus.
    Type: Application
    Filed: February 24, 2010
    Publication date: January 26, 2012
    Inventors: Chelsea M. Byrd, Dongcheng Dai, Robert Jordan, Dennis E. Hruby
  • Publication number: 20120022027
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel semicarbazides, sulfonyl carbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to Arenaviridae (Junin, Machupo, Guanavito, Sabia and Lassa), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Application
    Filed: October 28, 2010
    Publication date: January 26, 2012
    Applicant: Siga Technologies Inc.
    Inventors: Dongcheng Dai, Tove Bolken, Sean M. Amberg, Dennis E. Hruby, Thomas R. Bailey, Jack H. Nunberg, Celestine Johnson Thomas
  • Publication number: 20110236434
    Abstract: Polymorph forms of 4-trifluoromethyl-N-(3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindol-2(1H)-yl)-benzamide are disclosed as well as their methods of synthesis and pharmaceutical compositions.
    Type: Application
    Filed: March 23, 2011
    Publication date: September 29, 2011
    Applicant: Siga Technologies, Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A.C.L. Stone, William C. Weimers, Dylan Nelson, Tove' C. Bolken, Dennis E. Hruby, Michael H. O'Neill, Gary Sweetapple, Kelley A. McCloughan
  • Patent number: 7994221
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel sulfonyl semicarbazides, carbonyl semicarbazides, semicarbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pinchinde, and VSV), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: August 9, 2011
    Assignee: Siga Technologies, Inc.
    Inventors: Dongcheng Dai, Tové C. Bolken, Dennis E. Hruby, Thomas R. Bailey
  • Publication number: 20110172281
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pichinde, and LCMV), Filoviridae (Ebola and Marburg viruses), Flaviviridae (yellow fever, Omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Application
    Filed: October 26, 2010
    Publication date: July 14, 2011
    Applicant: Siga Technologies Inc.
    Inventors: Dennis E. Hruby, Tove Bolken, Sean M. Amberg, Dongcheng Dai
  • Patent number: 7977365
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pichinde, and LCMV), Filoviridae (Ebola and Marburg viruses), Flaviviridae (yellow fever, Omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever and Crimean-Congo hemorrhagic fever).
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: July 12, 2011
    Assignee: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Sean Amberg, Dongcheng Dai, Ryan A. Larson
  • Publication number: 20110118505
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel sulfonyl semicarbazides, carbonyl semicarbazides, semicarbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pinchinde, and VSV), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Application
    Filed: October 26, 2010
    Publication date: May 19, 2011
    Applicant: Siga Technologies Inc.
    Inventors: Dongcheng Dai, Tove Bolken, Dennis E. Hruby, Thomas R. Bailey
  • Publication number: 20110064693
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by the Arenavirus family such as Lassa fever, Argentine hemorrhagic fever, Bolivian hemorrhagic fever, and Venezuelan hemorrhagic fever.
    Type: Application
    Filed: August 26, 2008
    Publication date: March 17, 2011
    Inventors: Dongcheng Dai, Dennis E. Hruby, Tove C. Bolken, Sean M. Amberg, Ryan A. Larson
  • Publication number: 20110027227
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by the Arenavirus family is disclosed.
    Type: Application
    Filed: January 14, 2009
    Publication date: February 3, 2011
    Inventors: Dongcheng Dai, Dennis E. Hruby, Tove C. Bolken, Sean M. Amberg, Travis K. Warren
  • Patent number: 7872037
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pichinde, and LCMV), Filoviridae (Ebola and Marburg viruses), Flaviviridae (yellow fever, Omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: January 18, 2011
    Assignee: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tové C. Bolken, Sean Amberg, Dongcheng Dai
  • Publication number: 20100256096
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel sulfonyl semicarbazides, carbonyl semicarbazides, semicarbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pinchinde, and VSV), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Application
    Filed: January 17, 2007
    Publication date: October 7, 2010
    Inventors: Dongcheng Dai, Tove C. Bolken, Dennis E. Hruby, Thomas R. Bailey
  • Publication number: 20100189685
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by flavivirus is disclosed, i.e., including but not limited to, Dengue virus, West Nile virus, yellow fever virus, Japanese encephalitis virus, and tick-borne encephalitis virus.
    Type: Application
    Filed: May 23, 2008
    Publication date: July 29, 2010
    Inventors: Chelsea M. Byrd, Robert Jordan, Dongcheng Dai, Tove Bolken, Dennis E. Hruby
  • Publication number: 20090180980
    Abstract: Described herein are 4-methyl-piperazine-1-carbothioic acid amide derivatives and analogs, as well as compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by hemorrhagic fever viruses, such as Arenaviruses.
    Type: Application
    Filed: January 31, 2007
    Publication date: July 16, 2009
    Applicant: SIGA TECHNOLOGIES, INC.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Dongcheng Dai
  • Publication number: 20090036513
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, and Pichinde), Filoviridae (Ebola and Marburg viruses), Flaviviridae (yellow fever, Omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Application
    Filed: March 2, 2007
    Publication date: February 5, 2009
    Applicant: SIGA TECHNOLOGIES, INC.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Sean Amberg, Dongcheng Dai
  • Publication number: 20080300265
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pichinde, and LCMV), Filoviridae (Ebola and Marburg viruses), Flaviviridae (yellow fever, Omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever and Crimean-Congo hemorrhagic fever).
    Type: Application
    Filed: April 29, 2008
    Publication date: December 4, 2008
    Applicant: SIGA TECHNOLOGIES INC.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Sean Amberg, Dongcheng Dai, Ryan A. Larson
  • Patent number: 7067248
    Abstract: The focus of the present invention is an effective anti-poxvirus drug for use in treating or preventing human disease caused by pathogenic poxviruses. More particularly, the present invention relates to antiviral drugs that target the poxvirus proteinase responsible for core protein maturation, a step which is absolutely essential for the production and spread of infectious virions.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: June 27, 2006
    Assignee: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Chelsea Byrd