Patents by Inventor William E. Wismann

William E. Wismann 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).

  • Desulfurization process utilizing an oxidizing agent, carbonyl compound, and hydroxide
    Patent number: 5961820
    Abstract: Sulfur-containing carbonaceous materials are desulfurized by reaction with a mixture of an oxidizing agent and a carbonyl compound under alkaline conditions at a temperature ranging from ambient temperature to about 250.degree. F. and a pressure of about 1 atmosphere to 2 atmospheres. The products of the reaction are a desulfurized carbonaceous material in which the sulfur content is less than about 1%, and gaseous sulfur compounds. The carbonyl compound can be recovered and reused.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: October 5, 1999
    Assignee: DS2 Tech, Inc.
    Inventors: James K. Jeanblanc, William E. Wismann