Patents by Inventor Eugenio Zendejas-Martinez

Eugenio Zendejas-Martinez 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).

  • Patent number: 4608240
    Abstract: A method for the desulfurization of sour natural gas containing sulfur contaminants wherein the natural gas is first heated to a temperature in the range of 250.degree. C. to 450.degree. C. and then contacted with a bed of sponge iron to remove at least a portion of the sulfur contaminants to form a sweet natural gas.
    Type: Grant
    Filed: November 4, 1983
    Date of Patent: August 26, 1986
    Assignee: Hylsa, S.A.
    Inventors: Juan A. Villarreal-Trevino, Eugenio Zendejas-Martinez, Hector Lopez-Ramos