Patents by Inventor Randall T. De Pue

Randall T. De Pue 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 the purification of alpha olefins
    Patent number: 5057644
    Abstract: This invention relates to a process for the purification of an alpha olefinic feedstock contaminated with internal olefins which process comprises contacting said alpha olefinic feedstock with ethylene in the presence of a catalyst comprising an organoborane promoted alkali metal doped molybdenum and/or rhenium oxide supported on an inorganic oxide support.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: October 15, 1991
    Assignee: Shell Oil Company
    Inventors: Jiang-Jen Lin, Randall T. De Pue, Keith M. Kreitman