Patents by Inventor Steven C. Gebhard

Steven C. Gebhard 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).

  • Low temperature sulphur dioxide oxidation catalyst for sulfuric acid manufacture
    Patent number: 8758718
    Abstract: Improved catalysts for oxidation of sulfur dioxide which are alkali metal-promoted vanadium catalysts which are further promoted by gold. Improved methods employing such catalyst for oxidation of sulfur dioxide and for manufacture of sulfuric acid. Improved methods for multiple step oxidation of sulfur dioxide in which the last oxidation step is carried out employing improved catalysts of this invention at temperatures lower than 400° C.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: June 24, 2014
    Assignee: TDA Research, Inc.
    Inventors: Girish Srinivas, Steven C. Gebhard
  • Low Temperature Sulphur Dioxide Oxidation Catalyst for Sulfuric Acid Manufacture
    Publication number: 20130336876
    Abstract: Improved catalysts for oxidation of sulfur dioxide which are alkali metal-promoted vanadium catalysts which are further promoted by gold. Improved methods employing such catalyst for oxidation of sulfur dioxide and for manufacture of sulfuric acid. Improved methods for multiple step oxidation of sulfur dioxide in which the last oxidation step is carried out employing improved catalysts of this invention at temperatures lower than 400° C.
    Type: Application
    Filed: October 29, 2010
    Publication date: December 19, 2013
    Inventors: Girish Srinivas, Steven C. Gebhard