Patents by Inventor William T. Donlin

William T. Donlin 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: 5779910
    Abstract: Mineral slurries such as coal refuse are flocculated to separate solids therefrom by adding a blend of high and low molecular weight cationic flocculants followed by a high molecular weight anionic flocculant.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: July 14, 1998
    Assignee: Cytec Technology Corp.
    Inventor: William T. Donlin