Patents by Inventor Marilyn Crenshaw

Marilyn Crenshaw 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).

  • Cathode electrocatalyst
    Patent number: 4131519
    Abstract: Disclosed is a method of electolyzing aqueous solutions of alkali metal chlorides, such as sodium chloride brine, where an electrical current is passed from an anode to the cathode, evolving chlorine at the anode and hydrogen at the cathode. According to the disclosed method the cathode has a ferrous substrate with an electroplated coating thereon containing a transition metal. Also disclosed is a method of electroplating the transition metal onto the ferrous cathode substrate from an electroless plating solution.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: December 26, 1978
    Assignee: PPG Industries, Inc.
    Inventors: Aleksandrs Martinsons, Marilyn Crenshaw
  • Cathode electrocatalyst
    Patent number: 4086149
    Abstract: Disclosed is a method of electrolyzing aqueous solutions of alkali metal chlorides, such as sodium chloride brine, where an electrical current is passed from an anode to the cathode, evolving chlorine at the anode and hydrogen at the cathode. According to the disclosed method the cathode has a ferrous substrate with an electroplated coating thereon containing a transition metal. Also disclosed is a method of electroplating the transition metal onto the ferrous cathode substrate from an electroless plating solution.
    Type: Grant
    Filed: August 4, 1976
    Date of Patent: April 25, 1978
    Assignee: PPG Industries, Inc.
    Inventors: Aleksandrs Martinsons, Marilyn Crenshaw