Patents by Inventor Raymond Neville Silvester

Raymond Neville Silvester 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: 6150318
    Abstract: A cleaning composition being an oil-in-water emulsion in aerosol form characterized in that sufficient of the propellant is retained in the emulsion on discharge to a surface such that the retained propellant boils to create a sustained bubbling action in the absence of foaming on the surface. The cleaning composition comprises an oil-in-water emulsion containing (a) 2 to 60% w/w in total amount of one or more hydrocarbon propellants such that the propellants substantially form a part of the oil phase when the composition is formulated; (b) 2 to 50% w/w in total amount of one or more surfactants; (c) 0.1 to 30% w/w in total amount of one or more water-immiscible organic compounds; (d) 0.5 to 40% w/w in total amount of one or more water-miscible organic coupling agents; and (e) 10 to 70% w/w of water.
    Type: Grant
    Filed: June 24, 1996
    Date of Patent: November 21, 2000
    Assignee: Reckitt Benckiser Australia Limited
    Inventors: Raymond Neville Silvester, Boris Frank Cvetko
  • Patent number: 5695677
    Abstract: An aerosol ironing aid composition in the form of a stable emulsion including (a) 0.1 to 2.5% w/w of a non-polysaccharide, a non-cellulosic stiffening agent; (b) 0.4 to 3.0% w/w of an emulsified gliding agent; (c) 5 to 25% w/w of dimethylether as propellant; and (d) the balance being water.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: December 9, 1997
    Assignee: R & C Products Pty Limited
    Inventors: Raymond Neville Silvester, Frank Galluzzo