Patents by Inventor David L. Trimm

David L. Trimm 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).

  • Catalyst for steam reforming of hydrocarbons
    Patent number: 5599517
    Abstract: A process for the production of hydrogen and/or carbon monoxide rich gases by steam reforming of a hydrocarbon feedstock, the process comprising the step of contacting the hydrocarbon feedstock and steam with a catalyst comprising nickel as a main catalytic component, a refractory carrier material for the nickel, and at least one catalytic element for the steam reforming of the hydrocarbon feedstock, the element being selected from the group consisting of germanium, tin, lead, arsenic, antimony and bismuth.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: February 4, 1997
    Assignee: Haldor Tops.o slashed.e A/S
    Inventors: Israr Ul-Haque, David L. Trimm
  • Process for steam reforming of hydrocarbons
    Patent number: 5595719
    Abstract: A process for the production of hydrogen and/or carbon monoxide rich gases by steam reforming of a hydrocarbon feedstock, the process comprising the step of contacting the hydrocarbon feedstock and steam with a catalyst comprising nickel as a main catalytic component, a refractory carrier material for the nickel, and at least one catalytic element for the steam reforming of the hydrocarbon feedstock, the element being selected from the group consisting of germanium, tin, lead, arsenic, antimony and bismuth.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: January 21, 1997
    Assignee: Haldor Topsoe A/S
    Inventors: Israr Ul-Haque, David L. Trimm