Patents by Inventor Abrham Alberto GUTIÉRREZ HERNÁNDEZ

Abrham Alberto GUTIÉRREZ HERNÁNDEZ 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).

  • PYRIMETHAMINE CRYSTAL FORM
    Publication number: 20240101520
    Abstract: A method for obtaining a new pyrimethamine polymorph, wherein an intermediate a-{4-chlorophenyl)-2-ethyl-1,3-dioxalon-2-acetonitronyl is obtained by means of a reaction with ethylene glycol, and recrystallization is carried out in the presence of dioxane.
    Type: Application
    Filed: August 6, 2020
    Publication date: March 28, 2024
    Inventors: Abrham Alberto GUTIÉRREZ HERNÁNDEZ, Aarón RODRÍGUEZ WELTON