Patents by Inventor Raymond Francis Phillips

Raymond Francis Phillips 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).

  • Aqueous polymeric dispersions made thixotropic by certain ammonium or potassium zirconium carbonates
    Patent number: 4097430
    Abstract: Aqueous solutions of R zirconium carbonate in which R is selected from ammonium and potassium have a carbonate: zirconia molar ratio not greater than about 2 are used to impart thixotropic properties to aqueous dispersions of polymers and copolymers containing a water-soluble organic colloid containing a hydroxy group, such as emulsion paint. The solutions may be prepared by reacting zirconium basic carbonate with ammonium or potassium carbonate solution and have a good storage stability, especially at high concentrations.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: June 27, 1978
    Assignee: Magnesium Elektron Ltd.
    Inventor: Raymond Francis Phillips
  • Preparation of ammonium and potassium zirconium carbonates
    Patent number: 4061720
    Abstract: Aqueous solutions of R zirconium carbonate in which R is selected from ammonium and potassium have a carbonate: zirconium molar ratio not greater than 2.05 and can impart thixotropic properties to aqueous dispersions of polymers and copolymers, such as emulsion paint. The solutions may be prepared by reacting zirconium basic carbonate with ammonium or potassium carbonate solution and have a good storage stability, especially at high concentrations. They may be stabilized further by the addition of an acid selected from tartaric and gluconic acid.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: December 6, 1977
    Assignee: Magnesium Elektron Limited
    Inventor: Raymond Francis Phillips