Patents by Inventor Laura K. Walhof

Laura K. Walhof 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).

  • Synthesizing carbon from sludge
    Patent number: 6030922
    Abstract: The synthesis of carbon, particularly in an activated form, from sludge materials such as composed of biosolids and the like is described wherein the treated material is subjected to processing including chemical activation, light and humidity treatment, pyrolysis and physical activation to result in an activated carbon of high surface area and microporosity.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: February 29, 2000
    Assignee: Illinois Institute of Technology
    Inventors: Nasrin R. Khalili, Hamid Arastoopour, Laura K. Walhof