Patents by Inventor James Bernard Sieja

James Bernard Sieja 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 reproducing a mixture containing cyclododecanone and cyclododecanol
    Patent number: 5892123
    Abstract: A method is disclosed for catalytically decomposing cyclododecyl hydroperoxide into cyclododecanone and cyclododecanol using a chromium catalyst.
    Type: Grant
    Filed: February 3, 1998
    Date of Patent: April 6, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Howard Wayne Anderson, James Bernard Sieja