Patents by Inventor Graham A. Sorrie

Graham A. Sorrie 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).

  • Detergent compositions
    Patent number: 5516449
    Abstract: Detergent compositions containing amide substituted peroxyacid bleaching compounds are provided in which at least 60% of the originally added peronacid bleach remains after 28 days storage at 32.degree. C. and 80.degree. RH. The compositions contain at least one multi-ingredient component and have a density in excess of 650 g/liter, a total Iron, Manganese and Copper content of less than 40 ppm, an Equilibrium Relative Humidity at 32.degree. C. of less than 30% and preferably a sodium sulphate content of less than 2.5 % by weight.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: May 14, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Joseph T. H. Agar, Richard T. Hartshorn, Graham A. Sorrie