Patents by Inventor John W. Grenier

John W. Grenier 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).

  • Electroless application of a silver coating to diamond particles
    Patent number: 4403001
    Abstract: Disclosed is an improved method for applying a coating of elemental silver on the exterior surfaces of diamond particles wherein an ammoniacal silver solution is mixed with the reducing solution and the diamond particles contacted with said mixture. The improvement of the present invention comprises agitating the ammoniacal silver solution containing said diamond particles sufficiently to suspend the particles therein and adding the reducing solution to the agitated ammoniacal solution at a metered rate adequate to produce a continuous grainy elemental silver coating on the diamond particles. A typical reducing solution is aqueous invert sugar.
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: September 6, 1983
    Assignee: General Electric Company
    Inventor: John W. Grenier