Patents by Inventor Flemming Dannevang

Flemming Dannevang 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).

  • Process for decomposing ammonia in an off-gas
    Patent number: 5587134
    Abstract: In a process for the catalytic low temperature oxidation of ammonia to nitrogen in an ammonia containing off-gas at a temperature of between 200.degree. C. and 500.degree. C. the improvement comprises,sulphating a catalyst comprising on an inert carrier a metal selected from the group of copper, cobalt, iron, chromium, nickel, manganese and mixtures thereof in the form of their oxides and/or sulphates and a further component selected from the group of platinum metals;contacting the ammonia containing atmosphere with the catalyst, andwithdrawing a decomposed gas being rich in nitrogen.
    Type: Grant
    Filed: October 12, 1995
    Date of Patent: December 24, 1996
    Assignee: Haldor Tops.o slashed.e A/S
    Inventor: Flemming Dannevang