Patents by Inventor Don Luke

Don Luke 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).

  • Mineral solids separation processes
    Patent number: 6039189
    Abstract: Surface solids formation during sedimentation of a flocculated mineral suspension is minimised by flocculating the suspension with flocculating agent in the presence of surfactant, provided that the flocculating agent and surfactant are not counterionic.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: March 21, 2000
    Assignee: Ciba Specialty Chemicals Water Treatments Limited
    Inventor: Don Luke