Patents by Inventor Bradley Heath Cook

Bradley Heath Cook 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).

  • Hydrogenation of single ring aromatic diamines
    Patent number: 6429338
    Abstract: This invention relates to an improved process for the preparation of cyclohexylamines wherein an aromatic amine is contacted with hydrogen in the presence of a hydrogenation catalyst. The improvement resides in utilizing a hydrogenation catalyst comprised of rhodium metal, utilizing a dialkyl ether solvent, and effecting delay addition of the aromatic diamine to the reaction medium.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: August 6, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Juan Jesus Burdeniuc, Gamini Ananda Vedage, Bradley Heath Cook