Patents by Inventor Philippe Gagnaire

Philippe Gagnaire 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).

  • Sodium metasilicate particulates and detergent compositions comprised thereof
    Patent number: 4518516
    Abstract: Novel granular particulates of sodium metasilicate, well adapted for improved detergency applications, are comprised of a central core of essentially anhydrous sodium metasilicate and a core-enveloping sheath of sodium metasilicate pentahydrate therefor, the amount of water which comprises said sodium metasilicate pentahydrate comprising at least 10% by weight, and advantageously from 10 to 20 or 25% by weight, of the total weight of said particulates.
    Type: Grant
    Filed: July 11, 1983
    Date of Patent: May 21, 1985
    Assignee: Rhone-Poulenc Chimie De Base
    Inventors: Gerard Godard, Daniel Joubert, Philippe Gagnaire