Patents by Inventor Sigrid Eri

Sigrid Eri 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: 4880763
    Abstract: A catalyst for converting synthesis gas composed of hydrogen and carbon monoxide to hydrocarbons. The catalyst includes cobalt in catalytically active amounts up to about 60 wt % of the catalyst, rhenium in amounts of about 0.5 to 50 wt % of the cobalt content of the catalyst and an alkali in amounts ranging from about 0.5 to 5 atom percent of the cobalt content of the catalyst, supported on alumina. A metal oxide promoter may be added.
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: November 14, 1989
    Assignee: Den norske stats olijeselskap a.s.
    Inventors: Sigrid Eri, James G. Goodwin, Jr., George Marcelin, Trygve Riis
  • Patent number: 4857559
    Abstract: A process for converting synthesis gas composed of hydrogen and carbon monoxide to hydrocarbons. The process includes the step of contacting at reaction conditions a synthesis gas feed to a catalyst which includes cobalt in catalytically active amounts up to about 60 wt % of the catalyst and rhenium in catalytically active amounts of about 0.5 to 50 wt % of the cobalt content of the catalyst supported on alumina. A metal oxide promoter may be added.
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: August 15, 1989
    Assignee: Gas-To-Oil, Inc.
    Inventors: Sigrid Eri, James G. Goodwin, Jr.
  • Patent number: 4801573
    Abstract: A catalyst for converting synthesis gas composed of hydrogen and carbon monoxide to hydrocarbons. The catalyst includes cobalt in catalytically active amounts up to about 60 wt % of the catalyst and rhenium in catalytically active amounts of about 0.5 to 50 wt % of the cobalt content of the catalyst supported on alumina. A metal oxide promoter may be added.
    Type: Grant
    Filed: October 23, 1987
    Date of Patent: January 31, 1989
    Assignee: 501 Den Norske Stats Oljeslenskap A.S.
    Inventors: Sigrid Eri, James G. Goodwin, Jr., George Marcelin, Trygve Riis