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).

  • Patent number: 11890270
    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: Grant
    Filed: December 29, 2020
    Date of Patent: February 6, 2024
    Assignee: Siga Technologies, Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A. C. L. S. Anderson, William C. Weimers, Dylan Nelson, Tove' C. Bolken, Dennis E. Hruby, Michael H. O'Neill, Gary Sweetapple, Kelley A. McCloughan
  • Patent number: 11779566
    Abstract: The present invention is directed to a dry suspension for reconstitution containing Tecovirimat (ST-246) powder and simethicone. The dry suspension is dispersed in water to provide an aqueous pharmaceutical suspension formulation for oral administration for treating orthopoxvirus infections and/or eczema vaccinatum. The suspension formulation exhibits excellent stability and good dissolution and has an improved taste and texture.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: October 10, 2023
    Assignee: Siga Technologies, Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Kris Holt, Ying Tan, Melialani A. C. L. S. Anderson, Dennis E. Hruby
  • Patent number: 11433051
    Abstract: The present invention is directed to a dry suspension for reconstitution containing Tecovirimat (ST-246) powder and simethicone. The dry suspension is dispersed in water to provide an aqueous pharmaceutical suspension formulation for oral administration for treating orthopoxvirus infections and/or eczema vaccinatum. The suspension formulation exhibits excellent stability and good dissolution and has an improved taste and texture.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: September 6, 2022
    Assignee: Siga Technologies, Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Kris Holt, Ying Tan, Melialani A. C. L. S. Anderson, Dennis E. Hruby
  • Patent number: 10933050
    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: Grant
    Filed: July 24, 2019
    Date of Patent: March 2, 2021
    Assignee: SIGA TECHNOLOGIES INC.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A. C. L. S. Anderson, William C. Weimers, Dylan Nelson, Tove′ C. Bolken, Dennis E. Hruby, Michael H. O'Neill, Gary Sweetapple, Kelley A. McCloughan
  • Patent number: 10864282
    Abstract: The present invention provides for a novel liquid formulation for solubilizing poorly soluble ST-246 in cyclodextrins and a novel process of making the formulation.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: December 15, 2020
    Assignee: Siga Technologies Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A. C. L. S. Anderson, William Weimers, Gopi Krishna Kasi, N K Peter Samuel, Tove C. Bolken, Dennis E. Hruby
  • Patent number: 10716759
    Abstract: Disclosed are methods for hydration of ST-246 particles comprising exposing said particles to moisture by conveying volumes of air containing moisture.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: July 21, 2020
    Assignee: SIGA TECHNOLOGIES INC.
    Inventors: Shanthakumar R. Tyavanagimatt, Matthew Reeves, N K Peter Samuel, Steven Priebe, Ying Tan, Dennis E. Hruby
  • Patent number: 10576165
    Abstract: The present invention provides for a novel liquid formulation for solubilizing poorly soluble ST-246 in cyclodextrins and a novel process of making the formulation.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: March 3, 2020
    Assignee: Siga Technologies Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A. C. L. S. Anderson, William Weimers, Gopi Krishna Kasi, N K Peter Samuel, Tove C. Bolken, Dennis E. Hruby
  • Patent number: 10406103
    Abstract: Disclosed are methods for hydration of ST-246 particles comprising exposing said particles to moisture by conveying volumes of air containing moisture.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: September 10, 2019
    Assignee: Siga Technologies Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Matthew Reeves, N K Peter Samuel, Steven Priebe, Ying Tan, Dennis E. Hruby
  • Patent number: 10406137
    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: Grant
    Filed: July 2, 2018
    Date of Patent: September 10, 2019
    Assignee: Siga Technologies Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A.C.L.S. Anderson, William C. Weimers, Dylan Nelson, Tove′ C. Bolken, Dennis E. Hruby, Michael H. O'Neill, Gary Sweetapple, Kelley A. McCloughan
  • Patent number: 10124071
    Abstract: The present invention provides for a novel liquid formulation for solubilizing poorly soluble ST-246 in cyclodextrins and a novel process of making the formulation.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: November 13, 2018
    Assignee: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A. C. L. S. Anderson, William Weimers, Gopi Krishna Kasi, N K Peter Samuel, Tove C. Bolken, Dennis E. Hruby
  • Patent number: 10045963
    Abstract: Disclosed are methods for the preparation of amorphous N-[(3aR,4R,4aR,5aS,6S,6aS)-3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindol-2(1H)-yl]-4-(trifluoromethyl)-benzamide for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by the orthopoxvirus. Also disclosed are methods for the preparation of amorphous solid dispersion of N-[(3aR,4R,4aR,5aS,6S,6aS)-3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindol-2(1H)-yl]-4-(trifluoromethyl)-benzamide.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: August 14, 2018
    Assignee: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. Tyavanagimatt, N K Peter Samuel, Joseph Paz, Ying Tan, Dennis E. Hruby
  • Patent number: 10045964
    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: Grant
    Filed: July 27, 2017
    Date of Patent: August 14, 2018
    Assignee: Siga Technologies Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A. C. L. S. Anderson, William C. Weimers, Dylan Nelson, Tove' C. Bolken, Dennis E. Hruby, Michael H. O'Neill, Gary Sweetapple, Kelley A. McCloughan
  • Patent number: 10000486
    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: November 16, 2016
    Date of Patent: June 19, 2018
    Assignee: Kineta Viral Hemorrhagic Fever, LLC
    Inventors: Dongcheng Dai, James R. Burgeson, Sean M. Amberg, Dennis E. Hruby
  • Patent number: 9968571
    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: Grant
    Filed: December 22, 2016
    Date of Patent: May 15, 2018
    Assignee: SIGA TECHNOLOGIES, INC.
    Inventors: Robert D. Allen, III, Sean M. Amberg, Dongcheng Dai, James R. Burgeson, Dennis E. Hruby
  • Patent number: 9907859
    Abstract: The present invention provides for a novel liquid formulation for solubilizing poorly soluble ST-246 in cyclodextrins and a novel process of making the formulation.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 6, 2018
    Assignee: Siga Technologies, Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A. C. L. S. Anderson, William Weimers, Gopi Krishna Kasi, N K Peter Samuel, Tove′ C. Bolken, Dennis E. Hruby
  • Patent number: 9889119
    Abstract: Disclosed are methods for the preparation of amorphous N-[(3aR,4R,4aR,5aS,6S,6aS)-3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindo1-2(1H)-yl]-4-(trifluoromethyl)-benzamide for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by the orthopoxvirus. Also disclosed are methods for the preparation of amorphous solid dispersion of N-[(3aR,4R,4aR,5aS,6S,6aS)-3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindo1-2(1H)-yl]-4-(trifluoromethyl)-benzamide.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: February 13, 2018
    Assignee: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. Tyavanagimatt, N K Peter Samuel, Joseph Paz, Ying Tan, Dennis E. Hruby
  • Patent number: 9744154
    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: Grant
    Filed: December 4, 2015
    Date of Patent: August 29, 2017
    Assignee: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A.C.L.S. Anderson, William C. Weimers, Dylan Nelson, Tove′ C. Bolken, Dennis E. Hruby, Michael H. O'Neill, Gary Sweetapple, Kelley A. McCloughan
  • Patent number: 9670158
    Abstract: Disclosed are methods for the preparation of amorphous N-[(3aR,4R,4aR,5aS,6S,6aS)-3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindol-2(1H)-yl]-4-(trifluoromethyl)-benzamide for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by the orthopoxvirus. Also disclosed are methods for the preparation of amorphous solid dispersion of N-[(3aR,4R,4aR,5aS,6S,6aS)-3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindol-2(1H)-yl]-4-(trifluoromethyl)-benzamide.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: June 6, 2017
    Assignee: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. Tyavanagimatt, N K Peter Samuel, Joseph Paz, Ying Tan, Dennis E. Hruby
  • Publication number: 20170137422
    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: November 16, 2016
    Publication date: May 18, 2017
    Applicant: Kineta Four, LLC
    Inventors: Dongcheng Dai, James R. Burgeson, Sean M. Amberg, Dennis E. Hruby
  • Patent number: 9566254
    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: Grant
    Filed: December 1, 2015
    Date of Patent: February 14, 2017
    Assignee: SIGA TECHNOLOGIES, INC.
    Inventors: Robert D. Allen, III, Sean M. Amberg, Dongcheng Dai, James R. Burgeson, Dennis E. Hruby