Patents by Inventor Thomas E. Rehm

Thomas E. Rehm 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).

  • Patent number: 5177277
    Abstract: A process for the preparation of hydrogenated deodorized polybutene polymers, wherein the polybutene polymer is hydrogenated, distilled to substantially remove low boiling odorous compounds, and treated with silica gel to substantially remove the remaining odorous compounds thereby providing an improved hydrogenated, distilled, silica gel-treated polybutene polymer substantially free of odorous compounds.
    Type: Grant
    Filed: December 4, 1991
    Date of Patent: January 5, 1993
    Assignee: Amoco Corporation
    Inventors: William S. Eryman, James B. Lents, Yin-Chou Lin, Thomas E. Rehm, Egils Vitands