Patents by Inventor Norman A. Nielsen

Norman A. Nielsen 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).

  • Electrostatographic recording material
    Patent number: 4944997
    Abstract: A coated paper for use in electrostatogrpahic processes for receiving a toner image formed by a liquid developer comprises a substrate having bound thereto on at least one side generally smooth surface, spherical, bearing spacer particles having a particle size of from about 5 to about 15 micrometers.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: July 31, 1990
    Assignee: Xerox Corporation
    Inventor: Norman A. Nielsen
  • Methanol oxidation/dehydrogenation over silver-gold alloy
    Patent number: 4219509
    Abstract: This invention relates to a process for the catalytic conversion of methanol to formaldehyde by oxidation/dehydrogenation over a silver-gold alloy catalyst.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: August 26, 1980
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Norman A. Nielsen, V. N. Mallikarjuna Rao
  • Methanol oxidation/dehydrogenation over silver-gold alloy
    Patent number: 4167527
    Abstract: This invention relates to a process for the catalytic conversion of methanol to formaldehyde by oxidation/dehydrogenation over a silver-gold alloy catalyst.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: September 11, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Norman A. Nielsen