Patents by Inventor Efrain Barragan

Efrain Barragan 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).

  • 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
  • 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