Patents by Inventor John M. Andresen

John M. Andresen 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 sequestering carbon dioxide and sulfur dioxide
    Patent number: 7604787
    Abstract: A process for sequestering carbon dioxide, which includes reacting a silicate based material with an acid to form a suspension, and combining the suspension with carbon dioxide to create active carbonation of the silicate-based material, and thereafter producing a metal salt, silica and regenerating the acid in the liquid phase of the suspension.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: October 20, 2009
    Assignee: The Penn State Research Foundation
    Inventors: M. Mercedes Maroto-Valer, Yinzhi Zhang, Matthew E. Kuchta, John M. Andresen, Dan J. Fauth