Patents by Inventor Keith Robert Cockett

Keith Robert Cockett 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).

  • Effluent treatment with hydrotalcite
    Patent number: 5846430
    Abstract: Effluents containing residual dyes are contacted with an effective amount of hydrotalcite-like material together with an effective amount of a magnesium salt or a mixture of magnesium salts, the weight ratio (on dry basis) of hydrotalcite-like material to magnesium salt being in the range of 20:1 to 1:20. Residual dyes are removed from effluents.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: December 8, 1998
    Assignee: Crosfield Limited
    Inventors: Keith Robert Cockett, Maurice Webb, Roderick Terence Whalley