Patents by Inventor William R. Gately

William R. Gately 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).

  • Constant concentration at the UF membrane wall UF process control and apparatus
    Patent number: 6296770
    Abstract: A method and apparatus for ultrafiltration, washing and concentration of photographic emulsion uses the Blatt Stagnant Film Theory using a gelatin-based mass transfer coefficient of the feed, gelatin concentration of the feed and a setpoint of a constant concentration at the ultrafiltration membrane wall. A useful permeate flow is achieved by varying the pump speed and membrane pressures.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: October 2, 2001
    Assignee: Eastman Kodak Company
    Inventors: Margaret B. Wilcox, William R. Gately, Raymond F. Hall