Patents by Inventor Francisco Javier Sanchez Santiago

Francisco Javier Sanchez Santiago 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).

  • Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
    Patent number: 6765110
    Abstract: This invention relates to a process for the simultaneous coproduction of ethyl acetate and isopropyl acetate. The esterification reaction comprises contacting acetic acid with a mixed alcohol stream of ethanol and isopropanol. Exemplified is a purified, Fischer Tropsch derived mixture of ethanol and isopropanol. The esterification reaction occurs in the presence of an acidic catalyst in a liquid phase reaction system. The resultant crude reaction step product is separated and purified by distillation to produce acetate ester products having greater than 99.5 wt % purity.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: July 20, 2004
    Assignee: Celanese International Corporation
    Inventors: R. Jay Warner, Carl David Murphy, Gustavo Angel Robelo Grajales, Francisco Javier Sanchez Santiago, Fernando Alejo Solorzano, Jose Alfonso Torres
  • Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
    Publication number: 20030166964
    Abstract: This invention relates to a process for the simultaneous coproduction of ethyl acetate and isopropyl acetate. The esterification reaction comprises contacting acetic acid with a mixed alcohol stream of ethanol and isopropanol. Exemplified is a purified, Fischer Tropsch derived mixture of ethanol and isopropanol. The esterification reaction occurs in the presence of an acidic catalyst in a liquid phase reaction system. The resultant crude reaction step product is separated and purified by distillation to produce acetate ester products having greater than 99.5 wt % purity.
    Type: Application
    Filed: December 19, 2000
    Publication date: September 4, 2003
    Inventors: R. Jay Warner, Carl David Murphy, Gustavo Angel Robelo Grajales, Francisco Javier Sanchez Santiago, Fernando Alejo Solorzano, Alfonso Jose Torres