Patents by Inventor Viggo L. Hansen

Viggo L. Hansen 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 preparing aldehyde
    Patent number: 5217936
    Abstract: A monolithic, structured catalyst for the preparation of aldehydes. Alcohol is converted to a corresponding aldehyde by partial oxidation of the alcohol using the catalyst which includes an active catalytic material and a monolithic, inert carrier for the same. The active material includes oxides of molybdenum and oxides of chromium, vanadium, aluminum, iron, tungsten, manganese and mixtures thereof.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: June 8, 1993
    Assignee: Haldor Topsoe A/S
    Inventors: Bent Sarup, Poul E. H. Nielsen, Viggo L. Hansen, Keld Johansen
  • Catalyst for preparing aldehyde
    Patent number: 5118868
    Abstract: A catalyst for the partial oxidation of an alcohol to a corresponding aldehyde. The catalyst includes a monolithic structured inert carrier and an active catalytic mixture of oxides of molybdenum and either chromium, vanadium, aluminum, iron, tungsten, manganese or mixtures thereof in a molar ratio of the molybdenum oxide to the other oxide or oxides of between 1 and 5. The catalyst has a reduced pressure drop compared to a particulate catalyst bed.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: June 2, 1992
    Assignee: Haldor Topsoe A/S
    Inventors: Bent Sarup, Poul E. H. Nielsen, Viggo L. Hansen, Keld Johansen