Patents Assigned to Romark Laboratories, L.C.
  • 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: 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: 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: 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
  • Publication number: 20190040026
    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: October 5, 2018
    Publication date: February 7, 2019
    Applicant: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, Andrew Stachulski
  • Patent number: 10100023
    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: November 11, 2015
    Date of Patent: October 16, 2018
    Assignee: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, Andrew Stachulski
  • Publication number: 20170334868
    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: November 11, 2015
    Publication date: November 23, 2017
    Applicant: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, Andrew Stachulski
  • Patent number: 9126992
    Abstract: A new class of haloalkyl heteroaryl benzamides is described. These compounds show strong activity against hepatitis viruses.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: September 8, 2015
    Assignee: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Patent number: 9107913
    Abstract: The present disclosure relates to methods for treating viral hepatitis, compounds useful in the treatment of viral hepatitis, and pharmaceutical compositions comprising such compounds. In one embodiment, pharmaceutical compositions comprising nitazoxanide, tizoxanide, or derivatives and/or mixtures thereof are provided, as well as methods of treating hepatitis C using such compositions.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: August 18, 2015
    Assignee: ROMARK LABORATORIES, L.C.
    Inventor: Jean-Francois Rossignol
  • Publication number: 20140341850
    Abstract: A new class of haloalkyl heteroaryl benzamides is described. These compounds show strong activity against hepatitis viruses.
    Type: Application
    Filed: August 5, 2014
    Publication date: November 20, 2014
    Applicant: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Patent number: 8846727
    Abstract: A new class of haloalkyl heteroaryl benzamides is described. These compounds show strong activity against hepatitis viruses.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: September 30, 2014
    Assignee: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Patent number: 8772502
    Abstract: A new class of alkylsulfinyl thiazolides is described. These compounds show strong activity against hepatitis viruses.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: July 8, 2014
    Assignee: Romark Laboratories, L.C.
    Inventors: J. Edward Semple, Jean-Francois Rossignol
  • Publication number: 20140112888
    Abstract: The present disclosure relates to methods for treating viral hepatitis, compounds useful in the treatment of viral hepatitis, and pharmaceutical compositions comprising such compounds. In one embodiment, pharmaceutical compositions comprising nitazoxanide, tizoxanide, or derivatives and/or mixtures thereof are provided, as well as methods of treating hepatitis C using such compositions.
    Type: Application
    Filed: December 20, 2013
    Publication date: April 24, 2014
    Applicant: Romark Laboratories, L.C.
    Inventor: Jean-Francois Rossignol
  • Patent number: 8124632
    Abstract: A new class of alkylsulfonyl-substituted thiazolide compounds is described. These compounds show strong activity against hepatitis virus.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: February 28, 2012
    Assignee: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Patent number: 7285567
    Abstract: A halogenated benzamide derivative characterized by greater specificity for viral pathogens and less disruptive to beneficial gut microflora, according to formula (III): in which R1 is a halogen atom, and R2-R6 are independently hydrogen, hydroxyl, C1-C4 alkyl, —C1-C4 alkoxy, acyloxy, nitro, halogen, —C(O)R7 where R7 is —C1-C4 alkyl, or, aromatic including salts and hydrates of these compounds.
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: October 23, 2007
    Assignee: Romark Laboratories, L.C.
    Inventor: Jean Francois Rossignol
  • Patent number: 6117894
    Abstract: The present invention relates to a pharmaceutical composition containing as active agent, solid particles of a compound selected from the group consisting of:compound of formula I: ##STR1## compound of formula II: ##STR2## and mixtures thereof. said particles having a particle size smaller than 200 .mu.m, the mean particle size of the said active solid particles being greater than 10 .mu.m.It also relates to a pharmaceutical composition which contains at least one pharmaceutically acceptable acid.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: September 12, 2000
    Assignee: Romark Laboratories, L.C.
    Inventor: Jean-Fran.cedilla.ois Rossignol
  • Patent number: 6020353
    Abstract: The present invention relates to a pharmaceutical composition containing a compound of formula I ##STR1## with one of the symbols R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 representing OH, whereas the remaining symbols represent H as antiviral agent.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: February 1, 2000
    Assignee: Romark Laboratories, L.C.
    Inventor: Jean-Francois Rossignol
  • Patent number: RE46724
    Abstract: A new class of haloalkyl heteroaryl benzamides is described. These compounds show strong activity against hepatitis viruses.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: February 20, 2018
    Assignee: Romark Laboratories, L.C.
    Inventors: Jean-Francois Rossignol, J. Edward Semple
  • Patent number: RE47404
    Abstract: The present disclosure relates to methods for treating viral hepatitis, compounds useful in the treatment of viral hepatitis, and pharmaceutical compositions comprising such compounds. In one embodiment, pharmaceutical compositions comprising nitazoxanide, tizoxanide, or derivatives and/or mixtures thereof are provided, as well as methods of treating hepatitis C using such compositions.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: May 28, 2019
    Assignee: ROMARK LABORATORIES, L.C.
    Inventor: Jean-Francois Rossignol