Patents by Inventor David Kirk Rodham

David Kirk Rodham 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).

  • Formulation
    Publication number: 20020025986
    Abstract: A water-in-oil-in-water multiple emulsion comprises a continuous aqueous phase having dispersed therein oil phase droplets wherein each oil phase droplet contains an inner dispersion of aqueous phase droplets, a water-soluble or water-dispersible active material being dissolved or dispersed in the inner dispersion of aqueous phase droplets and at least one of (a) the inner dispersion of aqueous phase droplets and (b) the oil phase droplets being encapsulated within a polymer wall material.
    Type: Application
    Filed: April 18, 2001
    Publication date: February 28, 2002
    Inventors: David Kirk Rodham, Guy Ramsay, David Joseph Brown, Tharwat Fouad Tadros