Patents by Inventor Shanthakumar R. Tyavanagimatt

Shanthakumar R. Tyavanagimatt 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: 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
  • 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: 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
  • 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
  • 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: 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
  • 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: 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: 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
  • 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
  • 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: 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: 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
  • 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
  • Publication number: 20180185514
    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 16, 2018
    Publication date: July 5, 2018
    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
  • Publication number: 20180125819
    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: Application
    Filed: January 2, 2018
    Publication date: May 10, 2018
    Applicant: SIGA TECHNOLOGIES, INC.
    Inventors: Shanthakumar R. TYAVANAGIMATT, N K Peter SAMUEL, Joseph PAZ, Ying TAN, 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