Patents Assigned to Siga Technologies, Inc.
  • Patent number: 8518960
    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: Grant
    Filed: May 23, 2008
    Date of Patent: August 27, 2013
    Assignee: Siga Technologies, Inc.
    Inventors: Chelsea M. Byrd, Robert Jordan, Dongcheng Dai, Tove Bolken, Dennis E. Hruby
  • Patent number: 8518951
    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: December 28, 2011
    Date of Patent: August 27, 2013
    Assignee: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Dongcheng Dai
  • Publication number: 20130195796
    Abstract: Compounds, pharmaceutical compositions and methods for treating viral and bacterial infections, by administering certain thiourea compounds, specifically acylthiourea, carboximidoylthiourea and S-alkyl isothiourea derivatives and analogs, in therapeutically effective amounts are disclosed.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 1, 2013
    Applicant: Siga Technologies Inc.
    Inventors: Robert D. Allen, Sean M. Amberg, Dongcheng Dai, Dennis E. Hruby
  • Patent number: 8492434
    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: February 22, 2012
    Date of Patent: July 23, 2013
    Assignee: Siga Technologies Inc.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Sean Amberg, Dongcheng Dai
  • Publication number: 20130165493
    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: February 22, 2012
    Publication date: June 27, 2013
    Applicant: Siga Technologies, Inc,
    Inventors: Dennis E. Hruby, Tove C. Bolken, Sean M. Amberg, Dongcheng Dai
  • Patent number: 8461177
    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: Grant
    Filed: August 26, 2008
    Date of Patent: June 11, 2013
    Assignee: Siga Technologies, Inc.
    Inventors: Dongcheng Dai, Dennis E. Hruby, Tove C. Bolken, Sean M. Amberg, Ryan A. Larson
  • Publication number: 20130129677
    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 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: December 7, 2012
    Publication date: May 23, 2013
    Applicant: Siga Technologies, Inc.
    Inventor: Siga Technologies, Inc.
  • Patent number: 8410149
    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: Grant
    Filed: October 28, 2010
    Date of Patent: April 2, 2013
    Assignee: Siga Technologies Inc.
    Inventors: Dongcheng Dai, Tove Bolken, Sean M. Amberg, Dennis E. Hruby, Thomas R. Bailey
  • Publication number: 20120308519
    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 29, 2011
    Publication date: December 6, 2012
    Applicant: Siga Technologies, Inc.
    Inventors: Sean M. Amberg, Dongcheng Dai, Tove C. Bolken, Dennis E. Hruby
  • Publication number: 20120149751
    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: February 22, 2012
    Publication date: June 14, 2012
    Applicant: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tove C. Bolken, Sean Amberg, Dongcheng Dai
  • 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: 8124643
    Abstract: Methods of using di, tri, and tetracyclic acylhydrazide derivatives and analogs, as well as pharmaceutical 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 the orthopoxvirus.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: February 28, 2012
    Assignee: Siga Technologies, Inc.
    Inventors: Robert Jordan, Thomas R. Bailey, Susan R. Rippin
  • 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: 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: 20120020922
    Abstract: Methods of using di, tri, and tetracyclic acylhydrazide derivatives and analogs, as well as pharmaceutical 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 the orthopoxvirus.
    Type: Application
    Filed: July 29, 2011
    Publication date: January 26, 2012
    Applicant: Siga Technologies Inc.
    Inventors: Robert Jordan, Thomas R. Bailey, Susan R. Rippin, Dongcheng Dai
  • Patent number: 8039504
    Abstract: Methods of using di, tri, and tetracyclic acylhydrazide derivatives and analogs, as well as pharmaceutical compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases cased by the orthopoxvirus.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: October 18, 2011
    Assignee: Siga Technologies, Inc.
    Inventors: Robert F. Jordan, Thomas R. Bailey, Susan R. Rippin, Dongcheng Dai
  • 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