Patents Assigned to Siga Technologies, Inc.
  • Polymorphic forms of ST-246 and methods of preparation
    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
  • ST-246 (tecovirimat monohydrate) suspension formulations
    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
  • ST-246 (tecovirimat monohydrate) SUSPENSION FORMULATIONS
    Publication number: 20230016581
    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: Application
    Filed: July 14, 2022
    Publication date: January 19, 2023
    Applicant: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. TYAVANAGIMATT, Kris HOLT, Ying TAN, Melialani A.C.L.S. ANDERSON, Dennis E. HRUBY
  • ST-246 (tecovirimat monohydrate) suspension formulations
    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
  • ST-246 (tecovirimat monohydrate) SUSPENSION FORMULATIONS
    Publication number: 20210212987
    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: Application
    Filed: February 15, 2017
    Publication date: July 15, 2021
    Applicant: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. TYAVANAGIMATT, Kris HOLT, Ying TAN, Melialani A.C.L.S. ANDERSON, Dennis E. HRUBY
  • POLYMORPHIC FORMS OF ST-246 AND METHODS OF PREPARATION
    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
  • Polymorphic forms of ST-246 and methods of preparation
    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
  • ST-246 liquid formulations and methods
    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
  • Rehydration of micronized tecovirimat monohydrate
    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
  • Methods of preparing tecovirimat
    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
  • ST-246 LIQUID FORMULATIONS AND METHODS
    Publication number: 20200138974
    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: Application
    Filed: January 2, 2020
    Publication date: May 7, 2020
    Applicant: 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
  • ST-246 liquid formulations and methods
    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
  • REHYDRATION OF MICRONIZED TECOVIRMIMAT MONOHYDRATE
    Publication number: 20190380966
    Abstract: Disclosed are methods for hydration of ST-246 particles comprising exposing said particles to moisture by conveying volumes of air containing moisture.
    Type: Application
    Filed: July 23, 2019
    Publication date: December 19, 2019
    Applicant: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. TYAVANAGIMATT, Matthew Reeves, N K Peter SAMUEL, Steven PRIEBE, Ying TAN, Dennis E. HRUBY
  • POLYMORPHIC FORMS OF ST-246 AND METHODS OF PREPARATION
    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
  • Polymorphic forms of ST-246 and methods of preparation
    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
  • Rehydration of micronized tecovirmimat monohydrate
    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
  • METHODS OF PREPARING TECOVIRIMAT
    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
  • ST-246 LIQUID FORMULATIONS AND METHODS
    Publication number: 20190038767
    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: Application
    Filed: October 11, 2018
    Publication date: February 7, 2019
    Applicant: 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
  • Methods of preparing tecovirimat
    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
  • ST-246 liquid formulations and methods
    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