Patents by Inventor Keith R. Cockett

Keith R. 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).

  • Patent number: 5998360
    Abstract: Soluble alkali metal silicates combined with antiredeposition agents can actually have a beneficial effect on bleach stabilisation if said antiredeposition agents are intimately mixed with an alkali metal silicate solution, the resulting product being then dried (spray drying, turbo drying, etc . . . ) into granules.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: December 7, 1999
    Assignee: Crosfield Limited
    Inventors: Keith R Cockett, Theo J Osinga
  • Patent number: 5360547
    Abstract: A method of treating a liquid medium to remove from it matter present therein comprises adding to the liquid medium at least one of an at least partially undried sorbing agent (a), a freshly prepared sorbing agent (b) and an in-situ sorbing agent (c). Sorbing agent (a) comprises a hydrotalcite-like material resulting from the preparation thereof in a liquid reaction medium, which preparation allows retention, in the hydrotalcite-like material, of at least 10% of free liquid, based on the weight of the hydrotalcite-like material, including the free liquid, and (a).sub.1 which sorbing agent is present in an amount, on a dry weight basis, of the sorbing agent, by volume of the liquid medium to be treated, of .ltoreq.0.035% w/v, or (a).sub.2 the preparation of the hydrotalcite-like material is such as to provide a grain size of the hydrotalcite-like material of .ltoreq.130 .ANG., as measured in the <001> direction by x-ray diffraction on a subsequently dried material.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: November 1, 1994
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Keith R. Cockett, Martin Concannon, Robert M. Hunter, Anthony L. Lovell, Anthony Nock, Maurice Webb, Roderick T. Whalley