Patents by Inventor Elaina Lashae Williams

Elaina Lashae Williams 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: 6639106
    Abstract: This invention relates to an improved process for preparing acrylic acid from propylene using a tandem reactor and utilizing an increased amount of propylene reactant, thereby providing increased capacity and throughput. An improved process for purifying acrylic acid is also disclosed.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: October 28, 2003
    Assignee: Rohm and Haas Company
    Inventors: James Edward Elder, Charles Michael Lonzetta, Peter David Klugherz, Donald Alan Ebert, Elaina Lashae Williams