Patents by Inventor Ib Alstrup

Ib Alstrup 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).

  • Corrosion resistance of high temperature alloys
    Patent number: 6602355
    Abstract: A method for enhancing the protection of high temperature alloys containing iron, nickel and chromium against high temperature corrosion by carburization or metal dusting is achieved by depositing a thin layer of a metal selected from one or more of the noble metals, precious metals, metals from groups IVA, IVB, and group VA, VB of the Periodic Table and mixtures thereof with a thickness in the range of from 0.01 to 10 &mgr;m on the surface to be protected, and annealing the treated surface in an inert atmosphere at a predetermined temperature for a sufficient time to render the treated surface resistant to carburization or metal dusting.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: August 5, 2003
    Assignee: Haldor Topsoe A/S
    Inventors: Ib Alstrup, Ib Chorkendorff
  • Corrosion resistance of high temperature alloys
    Publication number: 20020079023
    Abstract: A method for enhancing the protection of high temperature alloys containing iron, nickel and chromium against high temperature corrosion by carburization or metal dusting is achieved by depositing a thin layer of a metal selected from one or more of the noble metals, precious metals, metals from groups IVA, IVB, and group VA, VB of the Periodic Table and mixtures thereof with a thickness in the range of from 0.01 to 10 &mgr;m on the surface to be protected, and annealing the treated surface in an inert atmosphere at a predetermined temperature for a sufficient time to render the treated surface resistant to carburization or metal dusting.
    Type: Application
    Filed: October 22, 2001
    Publication date: June 27, 2002
    Applicant: Haldor Topsoe A/S
    Inventors: Ib Alstrup, Ib Chorkendorff