Patents by Inventor Maurice D. Coutts

Maurice D. Coutts 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).

  • Method for making deaggregated phosphors
    Patent number: 4724161
    Abstract: Phosphors are coated and deaggregated by treatment with ultrasonic energy during the coating step. The phosphor aqueous dispersion is continuously passed through an ultrasonic chamber at a rate of flow so as to prevent aggregated phosphor particles from settling out and avoiding deaggregation.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: February 9, 1988
    Assignee: RCA Corporation
    Inventors: Maurice D. Coutts, Stephen S. Trond
  • Video disc processing
    Patent number: 4405541
    Abstract: High density information discs, such as video discs, which have been treated with an ammonium salt become resistant to and stable under conditions of high relative humidity, even after repeated exposure to such conditions for extended periods of time. The treatment with the ammonium salt is accomplished by use of a bath of an aqueous solution of the ammonium salt, with the preferred ammonium salt being ammonium chloride.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: September 20, 1983
    Assignee: RCA Corporation
    Inventors: Maurice D. Coutts, Dennis L. Matthies