Patents Assigned to Siga Technologies, Inc.
  • Publication number: 20240156782
    Abstract: Polymorph forms of 4-trifluoromethyl-N-(3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindo1-2(1H)-yl)-benzamide are disclosed as well as their methods of synthesis and pharmaceutical compositions.
    Type: Application
    Filed: December 19, 2023
    Publication date: May 16, 2024
    Applicant: 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: 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
  • Publication number: 20210137885
    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: December 29, 2020
    Publication date: May 13, 2021
    Applicant: 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: 10662155
    Abstract: Disclosed are methods for the preparation of Tecovirimat 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: November 9, 2018
    Date of Patent: May 26, 2020
    Assignee: Siga Technologies Inc.
    Inventor: Dongcheng Dai
  • 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
  • Publication number: 20190343799
    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: July 24, 2019
    Publication date: November 14, 2019
    Applicant: 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: 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
  • Publication number: 20190077753
    Abstract: Disclosed are methods for the preparation of Tecovirimat 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: November 9, 2018
    Publication date: March 14, 2019
    Applicant: Siga Technologies, Inc.
    Inventor: Dongcheng DAI
  • Patent number: 10155723
    Abstract: Disclosed are methods for the preparation of Tecovirimat 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: June 21, 2018
    Date of Patent: December 18, 2018
    Assignee: Siga Technologies, Inc.
    Inventor: Dongcheng Dai
  • Publication number: 20180311213
    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: July 2, 2018
    Publication date: November 1, 2018
    Applicant: Siga Technologies, Inc.
    Inventors: Shanthakumar R. TYAVANAGMATT, 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: 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
  • Publication number: 20180193308
    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: July 27, 2017
    Publication date: July 12, 2018
    Applicant: 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: 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
  • Publication number: 20170121344
    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: January 9, 2017
    Publication date: May 4, 2017
    Applicant: Siga Technologies, Inc.
    Inventors: Dongcheng DAI, James R. BURGESON, Shanthankumar R. TYAVANAGIMATT, Chelsea OLSEN, Dennis E. HRUBY
  • Patent number: 9546137
    Abstract: Disclosed are methods for the preparation of Tecovirimat 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: August 14, 2013
    Date of Patent: January 17, 2017
    Assignee: Siga Technologies Inc.
    Inventor: Dongcheng Dai
  • Publication number: 20160250233
    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 6, 2016
    Publication date: September 1, 2016
    Applicant: Siga Technologies, Inc.
    Inventors: Chelsea OLSEN, Robert JORDAN, Dongcheng DAI, Tove BOLKEN, Dennis E. HRUBY