Patents by Inventor James E. Matush

James E. Matush 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).

  • Catalyst recovery and dialkyl ester synthesis
    Patent number: 5420336
    Abstract: Copper and vanadium catalyst components are recovered and dialkyl esters of dicarboxylic acids are synthesized by precipitating the catalyst metals with an alcohol selected from the group consisting of methanol, ethanol, and isopropanol removal of the precipitate, and then heating the mixture.
    Type: Grant
    Filed: November 2, 1994
    Date of Patent: May 30, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Howard W. Anderson, James E. Matush, Brent G. Sparks, Eugene D. Wilhoit