Patents by Inventor Tharwat Fouad Tadros

Tharwat Fouad Tadros 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).

  • Gel formulation
    Patent number: 6649190
    Abstract: A water dispersible gel comprising: (a) an effective amount of an ionic, water soluble agrochemical; (b) an effective amount of a cross-linked polyacrylic acid; (c) water; and, (d) an amount of a base sufficient to cause a mixture of (a), (b) and (c) to gel.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: November 18, 2003
    Assignee: Syngenta Limited
    Inventors: Tharwat Fouad Tadros, Philip Taylor
  • 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
  • Herbicidal compositions having improved stability
    Patent number: 4075002
    Abstract: Herbicidal compositions are provided which contain a solid herbicide dispersed in an aqueous solution of a herbicidal bipyridylium salt along with a cationic dispersing agent for added stability of the formulation.
    Type: Grant
    Filed: January 15, 1973
    Date of Patent: February 21, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: Nigel Wyndham Drewe, Roger John Parker, Tharwat Fouad Tadros