Patents by Inventor Jeff Spedding

Jeff Spedding 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).

  • Sulphur-free lignin and derivatives thereof for reducing the formation of slime and deposits in industrial plants
    Publication number: 20030156970
    Abstract: The invention concerns a method for the reducing the formation of slime and deposits in industrial plants, in which water or aqueous process liquids are circulated, sulphur-free lignin or a derivative thereof being added to the system in a quantity proportional to the quantity of the slime and deposit-causing substances present in the water.
    Type: Application
    Filed: December 10, 2002
    Publication date: August 21, 2003
    Inventors: Jorg Oberkofler, Jeff Spedding