Patents by Inventor John Dempster Sornson

John Dempster Sornson 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).

  • Single reactor process for preparing acrylic acid from propylene having improved capacity
    Patent number: 6384274
    Abstract: This invention relates to an improved process for preparing acrylic acid from propylene using a single reactor utilizing an increased amount of propylene reactant thereby providing increased capacity and throughput.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: May 7, 2002
    Assignee: Rohm and Haas Company
    Inventors: James Edward Elder, Charles Michael Lonzetta, Timothy Allen Hale, John Dempster Sornson, Peter David Klugherz, Thomas Albert Kaminski, Donald Alan Ebert