Patents by Inventor Katherine H. Stahlbush, legal representative

Katherine H. Stahlbush, legal representative 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).

  • Method for stabilizing a cation exchange resin prior to use as an acid catalyst and use of said stabilized cation exchange resin in a chemical process
    Patent number: 7923586
    Abstract: A method for preventing the degradation of a catalyst during storage of the catalyst and prior to using the catalyst in a chemical process comprising treating the catalyst with an antioxidant and storing the treated catalyst until further use. The stabilized treated catalyst may be used in a process for producing organic chemicals such as in a process for producing bisphenol A.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: April 12, 2011
    Inventors: James Richard Stahlbush, Katherine H. Stahlbush, legal representative, Harlan Robert Goltz, Thomas Caldwell Young, Edward Alan Fraini