Patents by Inventor Hugo Herrera

Hugo Herrera 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).

  • Solid state forms of selexipag
    Patent number: 10188648
    Abstract: The present disclosure relates to solid state forms of Selexipag, in particular selexipag forms IV and V, and processes for preparation thereof, pharmaceutical compositions thereof, and methods of use thereof.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: January 29, 2019
    Assignee: TEVA PHARMACEUTICALS INTERNATIONAL GMBH
    Inventors: Nidia Villalva, Ivon Cante, Martin Aybar, Angel Rodriguez, Alejandro Guillen Torres, Hana Kantor, Ales Gavenda, Hugo Herrera, Alexander Jegorov, Nydia Lopez
  • SOLID STATE FORMS OF SELEXIPAG
    Publication number: 20180214446
    Abstract: The present disclosure relates to solid state forms of Selexipag, in particular selexipag forms IV and V, and processes for preparation thereof, pharmaceutical compositions thereof, and methods of use thereof.
    Type: Application
    Filed: September 2, 2016
    Publication date: August 2, 2018
    Inventors: Nidia VILLALVA, Ivon CANTE, Martin AYBAR, Angel RODRIGUEZ, Alejandro Guillen TORRES, Hana KANTOR, Ales GAVENDA, Hugo HERRERA, Alexander JEGOROV, Nydia LOPEZ
  • Pure rocuronium bromide
    Patent number: 7642246
    Abstract: Disclosed herein is rocuronium bromide having a potentiometrical assay of from 99% to 101% in acetic acid and perchloric acid, having less than about 0.2% area by HPLC of 2?-(4-morpholinyl)-16?-(1-pyrrolidinyl)-5?-androstan-3?-ol-17?-acetate, and having at least one of the solvents ethyl ether and dichioromethane in an amount equal to or less than about 850 ppm, and 600 ppm, respectively.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: January 5, 2010
    Assignee: Sicor Inc.
    Inventors: Juana Araceli Mendez, Marco A. De La Mora, Alejandro Guillen, Hugo Herrera
  • Processes for the synthesis of rocuronium bromide
    Patent number: 7569687
    Abstract: The invention encompasses processes for synthesizing 1-[17?-acetyloxy-3?-hydroxy-2?-(4-morpholinyl)-5?-androstan-16?-yl]-1-(2-propenyl)pyrrolidinium bromide (rocuronium bromide) and intermediates thereof.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: August 4, 2009
    Assignee: Sicor, Inc.
    Inventors: Juana Araceli Mendez, Marco A. De La Mora, Angel A. Rodriguez, Efrain Barragán, Hugo Herrera, Alejandro Guillen
  • Processes for the synthesis of rocuronium bromide
    Publication number: 20090137794
    Abstract: The invention encompasses processes for synthesizing 1-[17?-acetyloxy-3?-hydroxy-2?-(4-morpholinyl)-5?-androstan-16?-yl]-1-(2-propenyl)pyrrolidinium bromide (rocuronium bromide) and intermediates thereof.
    Type: Application
    Filed: October 16, 2008
    Publication date: May 28, 2009
    Inventors: Juana Araceli Mendez, Marco A. De La Mora, Angel A. Rodriguez, Efrain Barragan, Hugo Herrera, Alejandro Guillen
  • Processes for the synthesis of rocuronium bromide
    Publication number: 20090093632
    Abstract: The invention encompasses processes for synthesizing 1-[17?-acetyloxy-3?-hydroxy-2?-(4-morpholinyl)-5?-androstan-16?-yl]-1-(2-propenyl)pyrrolidinium bromide (rocuronium bromide) and intermediates thereof.
    Type: Application
    Filed: October 16, 2008
    Publication date: April 9, 2009
    Inventors: Juana Araceli Mendez, Marco A. De La Mora, Angel A. Rodriguez, Efrain Barragan, Hugo Herrera, Alejandro Guillen
  • Pure rocuronium bromide
    Publication number: 20070265237
    Abstract: The invention encompasses substantially pure rocuronium bromide.
    Type: Application
    Filed: September 13, 2006
    Publication date: November 15, 2007
    Inventors: Juana Mendez, Marco De La Mora, Alejandro Guillen, Hugo Herrera
  • Processes for the synthesis of rocuronium bromide
    Publication number: 20070117975
    Abstract: The invention encompasses processes for synthesizing 1-[17?-acetyloxy-3?-hydroxy-2?-(4-morpholinyl)-5?-androstan-16?-yl]-1-(2-propenyl)pyrrolidinium bromide (rocuronium bromide) and intermediates thereof.
    Type: Application
    Filed: September 13, 2006
    Publication date: May 24, 2007
    Inventors: Juana Mendez, Marco De La Mora, Angel Rodriguez, Efrain Barragan, Hugo Herrera, Alejandro Guillen