Patents by Inventor James P. Johnston

James P. Johnston 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).

  • Peroxyacid bleach compositions having increased solubility
    Patent number: 4126573
    Abstract: Improved peroxyacid bleaching particles comprising an inner core of a solid peroxyacid compound and as a coating a surfactant compound. Methods of making and using such particles and compositions containing such particles are also described.
    Type: Grant
    Filed: August 27, 1976
    Date of Patent: November 21, 1978
    Assignee: The Procter & Gamble Company
    Inventor: James P. Johnston