Patents by Inventor Keith Jeffrey Watson

Keith Jeffrey Watson 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).

  • Nano-scale DMC catalyst particles
    Patent number: 7645717
    Abstract: Nano-scale DMC catalyst complexes are highly active alkylene oxide polymerization catalysts. Thy show a greatly improved ability to catalyze the formation of EO-capping onto secondary hydroxyl-terminated polyethers. The catalysts can be prepared by precipitation in the dispersed adequous phase of a water-in-oil emulsion.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: January 12, 2010
    Assignee: Dow Global Technologies, Inc.
    Inventors: Sandeep S. Dhingra, Karla F. Mabe, Keith Jeffrey Watson