Patents by Inventor C. E. Galarraga

C. E. Galarraga 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: 4832829
    Abstract: An improved catalyst for use in the hydrodemetallization and hydroconversion of heavy hydrocarbon feedstocks and method of making same and, more particularly, an improved catalyst having two distinct phases supported on a refractory support wherein the first phase effectively stores metals removed from the feedstock and the second phase exhibits superior catalytic acitivity for hydrogenation when processing heavy hydrocarbon feedstocks.
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: May 23, 1989
    Assignee: Intevep S.A.
    Inventors: M. M. Ramirez de Agudelo, C. E. Galarraga
  • Patent number: 4729980
    Abstract: An improved catalyst for use in the hydrodemetallization and hydroconversion of heavy hydrocarbon feedstocks and method of making same and, more particularly, an improved catalyst having two distinct phases supported on a refractory support wherein the first phase effectively stores metals removed from the feestock and the second phase exhibits superior catalytic activity for hydrogenation when processing heavy hydrocarbon feedstocks.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: March 8, 1988
    Assignee: Intevep, S.A.
    Inventors: M. M. Ramirez de Agudelo, C. E. Galarraga