Patents by Inventor Niclas Muller

Niclas Muller 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 pig iron desulphurization
    Patent number: 6015448
    Abstract: Disclosed is a process for desulphurization of a pig iron melt for further processing wherein the melt is brought into close contact with a ground solid slag. As desulphurizing agent, the slag accumulating in secondary steelmaking with a basicity of at least 4, an iron content in the range of 4 to 6 wt.-% and a phosphorous content in the range .ltoreq.0.4 wt.-%, is used in ground form or the slag is used together with calcium carbide and magnesium as a solid mixture in ground form.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: January 18, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Heinz-Peter Kaiser, Klaus-Jurgen Richter, Niclas Muller