Patents by Inventor François Rossignol

François Rossignol 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: 11850237
    Abstract: This invention is directed to methods for treating and preventing influenza infection by inhibiting influenza virus HA maturation processes employing compounds of formula I. It is also directed to combinations for treating and preventing influenza infection comprising compounds of formula I and other agents.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: December 26, 2023
    Assignee: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Publication number: 20230330069
    Abstract: Disclosed is use of thiazolides, such as nitazoxanide and/or tizoxanide, against viruses belonging to the Coronaviridae family, such as viruses belonging to the Orthocoronavirinae subfamily.
    Type: Application
    Filed: August 23, 2021
    Publication date: October 19, 2023
    Applicant: Romark Laboratories, L.C.
    Inventor: Jean-Francois Rossignol
  • Publication number: 20230303504
    Abstract: The present invention refers to: crystalline tizoxanide amine salts, such as e.g. the ethanolamine salt, the morpholine salt, the propanolamine salt, the piperazine salt and the N-methylpiperazine salt, crystalline amine salts of 2-hydroxy-N-(5-halo-1,3-thiazol-2-yl) benzamide derivatives, such as e.g. the 2-hydroxy-N-(5-chloro-1,3-thiazol-2-yl)benzamide (RM-4848), a method for preparing a tizoxanide amine salt from its prodrug nitazoxanide (NTZ), pharmaceutical compositions comprising tizoxanide amine salts, tizoxanide amine salts for use as an antiviral or antiparasitic agent.
    Type: Application
    Filed: July 19, 2021
    Publication date: September 28, 2023
    Applicant: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, Andrew V. Stachulski
  • Patent number: 11426388
    Abstract: Solid dosage formulations of nitazoxanide or a nitazoxanide analogue are provided that comprise a controlled release portion and an immediate release portion. The pharmaceutical composition is typically in the form of a bilayer solid oral dosage form comprising (a) a first layer comprising a first quantity of nitazoxanide or analogue thereof in a controlled release formulation; and (b) a second layer comprising a second quantity of nitazoxanide or analogue thereof in an immediate release formulation. Method of using the formulations in the treatment of hepatitis C are also provided.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 30, 2022
    Assignee: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, Marc Ayers
  • Publication number: 20220125767
    Abstract: Thiazolide compounds, such as nitazoxanide and/or tizoxanide, may be used against viruses belonging to the Picornaviridae family or the Paramyxoviridae family.
    Type: Application
    Filed: October 1, 2021
    Publication date: April 28, 2022
    Applicant: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, Maria Gabriella Santoro
  • Patent number: 11173149
    Abstract: Provided are methods of treating a disease or condition associated with an increased level of expression of a protein disulfide-isomerase A3 (PDIA3) by administering to a subject with an increased level of expression of PDIA3 a PDIA3-inhibiting effective amount of a thiazolide compound, such as nitazoxanide or tizoxanide. Also provided are methods of screening for therapeutic agents based on PDIA3 inhibition.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: November 16, 2021
    Assignee: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, Maria Gabriella Santoro
  • Patent number: 11135202
    Abstract: Thiazolide compounds, such as nitazoxanide and/or tizoxanide, may be used against viruses belonging to the Picornaviridae family or the Paramyxoviridae family.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: October 5, 2021
    Assignee: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, Maria Gabriella Santoro
  • Publication number: 20210177809
    Abstract: This invention is directed to methods for treating and preventing influenza infection by inhibiting influenza virus HA maturation processes employing compounds of formula I. It is also directed to combinations for treating and preventing influenza infection comprising compounds of formula I and other agents.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 17, 2021
    Applicant: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Patent number: 10912768
    Abstract: This invention is directed to methods for treating and preventing influenza infection by inhibiting influenza virus HA maturation processes employing compounds of formula I. It is also directed to combinations for treating and preventing influenza infection comprising compounds of formula I and other agents.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: February 9, 2021
    Assignee: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Patent number: 10814612
    Abstract: The invention provides for the use of pharmaceutical compositions comprising a thiazolide in the stimulation of the immune system in a subject in need thereof, thereby preventing and/or treating viral diseases, cancer and diseases caused by intracellular protozoan infections.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: October 27, 2020
    Assignee: Romark Laboratories L.C.
    Inventor: Jean-Francois Rossignol
  • Patent number: 10577337
    Abstract: Prodrugs of tizoxanide, an analogue or salt thereof are disclosed. The prodrugs have an ester moiety comprising an amino acid moiety, and increase the bioavailability of the tizoxanide, an analogue or salt thereof. Compositions and methods of treating an intracellular protozoan infection, a viral infection or a cancer are also disclosed.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: March 3, 2020
    Assignee: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, Andrew Stachulski
  • Publication number: 20200038377
    Abstract: Provided are methods of treating a disease or condition associated with an increased level of expression of a protein disulfide-isomerase A3 (PDIA3) by administering to a subject with an increased level of expression of PDIA3 a PDI A3-inhibiting effective amount of a thiazolide compound, such as nitazoxanide or tizoxanide. Also provided are methods of screening for therapeutic agents based on PDIA3 inhibition.
    Type: Application
    Filed: April 17, 2018
    Publication date: February 6, 2020
    Applicant: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, Maria Gabriella Santoro
  • Publication number: 20190321338
    Abstract: Solid dosage formulations of nitazoxanide or a nitazoxanide analogue are provided that comprise a controlled release portion and an immediate release portion. The pharmaceutical composition is typically in the form of a bilayer solid oral dosage form comprising (a) a first layer comprising a first quantity of nitazoxanide or analogue thereof in a controlled release formulation; and (b) a second layer comprising a second quantity of nitazoxanide or analogue thereof in an immediate release formulation. Method of using the formulations in the treatment of hepatitis C are also provided.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Applicant: Rom ark Laboratories L. C.
    Inventors: Jean-Francois Rossignol, Marc Ayers
  • Publication number: 20190307730
    Abstract: This invention is directed to methods for treating and preventing influenza infection by inhibiting influenza virus HA maturation processes employing compounds of formula I. It is also directed to combinations for treating and preventing influenza infection comprising compounds of formula I and other agents.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 10, 2019
    Applicant: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Publication number: 20190291404
    Abstract: The invention provides for the use of pharmaceutical compositions comprising a thiazolide in the stimulation of the immune system in a subject in need thereof, thereby preventing and/or treating viral diseases, cancer and diseases caused by intracellular protozoan infections
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Applicant: Romark Laboratories L.C.
    Inventor: Jean-Francois Rossignol
  • Publication number: 20190276417
    Abstract: Prodrugs of tizoxanide, an analogue or salt thereof are disclosed. The prodrugs have an ester moiety comprising an amino acid moiety, and increase the bioavailability of the tizoxanide, an analogue or salt thereof. Compositions and methods of treating an intracellular protozoan infection, a viral infection or a cancer are also disclosed.
    Type: Application
    Filed: May 23, 2019
    Publication date: September 12, 2019
    Applicant: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, Andrew Stachulski
  • Patent number: 10383855
    Abstract: Solid dosage formulations of nitazoxanide or a nitazoxanide analog are provided that comprise a controlled release portion and an immediate release portion. The pharmaceutical composition is typically in the form of a bilayer solid oral dosage form comprising (a) a first layer comprising a first quantity of nitazoxanide or analog thereof in a controlled release formulation; and (b) a second layer comprising a second quantity of nitazoxanide or analog thereof in an immediate release formulation. Method of using the formulations in the treatment of hepatitis C are also provided.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: August 20, 2019
    Assignee: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, Marc Ayers
  • Patent number: 10363243
    Abstract: This invention is directed to methods for treating and preventing influenza infection by inhibiting influenza virus HA maturation processes employing compounds of formula I. It is also directed to combinations for treating and preventing influenza infection comprising compounds of formula I and other agents.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 30, 2019
    Assignee: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Patent number: 10358428
    Abstract: Prodrugs of tizoxanide, an analog or salt thereof are disclosed. The prodrugs have an ester moiety comprising an amino acid moiety, and increase the bioavailability of the tizoxanide, an analog or salt thereof. Compositions and methods of treating an intracellular protozoan infection, a viral infection or a cancer are also disclosed.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: July 23, 2019
    Assignee: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, Andrew Stachulski
  • Patent number: RE47786
    Abstract: A new class of haloalkyl heteroaryl benzamides is described. These compounds show strong activity against hepatitis viruses.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: December 31, 2019
    Assignee: Romark Laboratories L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple