Patents by Inventor Ronald H. Meen

Ronald H. Meen 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).

  • Electrolytic hydroquinone process
    Patent number: 4061548
    Abstract: The process of electrochemically oxidizing phenol to hydroquinone is improved by the inclusion of chromium ion in the aqueous reaction medium.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: December 6, 1977
    Assignee: Eastman Kodak Company
    Inventors: Glenn C. Jones, Ronald H. Meen
  • Electrolytic oxidation of phenol at lead-thallium anodes
    Patent number: 4035253
    Abstract: The process of electrochemically oxidizing phenol to hydroquinone is improved by employing a corrosion resistant lead-thallium alloy anode while maintaining the concentration of p-benzoquinone in the aqueous reaction medium at a low level.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: July 12, 1977
    Assignee: Eastman Kodak Company
    Inventors: Glenn C. Jones, Ronald H. Meen