Patents Assigned to SIGNA S.A. DE C.V.
  • Processes for the preparation of axitinib
    Patent number: 9580406
    Abstract: Processes for the preparation of Axitinib in good yield (generally greater than 80%) are provided that avoid the use of a palladium-catalyzed coupling reaction.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: February 28, 2017
    Assignee: Signa S.A. de C.V.
    Inventors: Evin Hazael Granados-Covarrubias, José Miguel Lazcano-Seres, Roberto Carlos Melgar-Fernández, Armando Zambrano-Huerta, Martín Raúl Montiel-Pérez, Israel Flores-García
  • Processes for the preparation of ()-2-acetamido--benzyl-3-methoxypropionamide and intermediates thereof
    Patent number: 9133101
    Abstract: This invention relates to processes for the preparation of (R)-2-acetamido-N-benzyl-3-methoxypropionamide (I) and intermediates thereof. Formula (I).
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: September 15, 2015
    Assignee: Signa S.A. de C.V.
    Inventors: Pablo Miguel Bernal-Vazquez, José Miguel Lazcano-Seres, Yaneth Mariá-Antonieta Contreras-Martinez, Jorge Alberto Juárez-Lagunas, Donato Sánchez-Mereles, Juan Rolando Vázquez-Miranda, Armando Zambrano-Huerta
  • Processes for the preparation of sodium 5,14-dihydrotetraazapentacene polysulfonate, and intermediates thereof
    Patent number: 9120803
    Abstract: This invention relates to processes for the preparation of sodium 5,14-dihydrotetraazapentacene polysulfonate (1), and intermediates thereof.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: September 1, 2015
    Assignee: Signa S.A. de C.V.
    Inventors: José Miguel Lazcano-Seres, Cuauhtémoc Carrasco-Pacheco, Evin Hazael Granados-Covarrubias, Maria De la Luz Reyes-Reyes, Alberto Martinez-Díaz, Roberto Carlos Melgar-Fernández, Armando Zambrano-Huerta, Maria Viviana Cordero-Pensado, Edson Olimpo Sanchéz-López, Omar Gutiérrez-Cajero
  • PROCESSES FOR THE PREPARATION OF (R)-2-ACETAMIDO-N-BENZYL-3-METHOXYPROPIONAMIDE AND INTERMEDIATES THEREOF
    Publication number: 20150025274
    Abstract: This invention relates to processes for the preparation of (R)-2-acetamido-N-benzyl-3-methoxypropionamide (I) and intermediates thereof. Formula (I).
    Type: Application
    Filed: August 29, 2012
    Publication date: January 22, 2015
    Applicant: SIGNA S.A. DE C.V.
    Inventors: Pablo Miguel Bernal-Vazquez, José Miguel Lazcano-Seres, Yaneth Mariá-Antonieta Contreras-Martinez, Jorge Alberto Juárez-Lagunas, Donato Sánchez-Mereles, Juan Rolando Vázquez-Miranda, Armando Zambrano-Huerta