Patents by Inventor George A. Laufer

George A. Laufer 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).

  • Dehydrogenation catalyst and process for its preparation
    Patent number: 5023225
    Abstract: Improved iron oxide catalysts for the dehydrogenation of ethylbenzene to styrene are made by forming a blend of chromium oxide and yellow iron hydrate and heating the blend to convert the yellow iron hydrate to red iron oxide prior to forming the catalyst.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: June 11, 1991
    Assignee: United Catalysts Inc.
    Inventors: David L. Williams, Karl J. Russ, Edward K. Dienes, George A. Laufer