Patents by Inventor Donald Edward Lindblad

Donald Edward Lindblad 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).

  • Suspension system using fumed silica
    Patent number: 6315975
    Abstract: Fumed silica is used to suspend iron sulfates in concentrated sulfuric acid. The suspension system substantially reduces iron sulfate deposits in steel containment vessels.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: November 13, 2001
    Assignee: Rhodia Inc.
    Inventor: Donald Edward Lindblad