Patents by Inventor Christopher G. Pike

Christopher G. Pike 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).

  • Rinsing compositions
    Patent number: 5545352
    Abstract: There is provided a rinse aid composition containing a chelant component selected from ethylenediamine disuccinic acid ethylenediamine diglutaric acid (EDDG), 2 hydroxypropylenediamine-disuccinic acid (HPDDS) or any of the salts or complexes of said chelant components. The pH of said composition as a 1% solution in distilled water at 20.degree. C. is preferably less than 7.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: August 13, 1996
    Assignee: The Procter & Gamble Company
    Inventor: Christopher G. Pike