Patents by Inventor Jack J. Holt

Jack J. Holt 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).

  • Antistatic layers for photographic elements and coating compositions for preparing the same
    Patent number: 5366544
    Abstract: A coating composition for applying a vanadium pentoxide antistatic layer on a photographic element comprising from about 0.02 to about 0.08 percent by weight of vanadium pentoxide, from about 0.04 to about 1.6 percent by weight of a cellulose acetate binder polymer, said binder polymer having an acetyl content of from about 15 percent to about 35 percent by weight and the balance a solvent mixture of from 7.5 to 70 percent by weight of a C.sub.1 -C.sub.2 dialkyl ketone, from 10 to 60 percent by weight of a C.sub.1 -C.sub.4 alkanol and from 3 to 50 percent of water based on the weight of the solvent mixture.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: November 22, 1994
    Assignee: Eastman Kodak Company
    Inventors: Raymond T. Jones, Jack J. Holt
  • Antistat coating compositions and antistat layers formed therefrom
    Patent number: 5356468
    Abstract: Coating composition, antistat layer and photographic element having a V.sub.2 O.sub.5 antistat layer, the layer containing an amount of cellulose nitrate to prevent precipitation of the V.sub.2 O.sub.5 in the presence of film base.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: October 18, 1994
    Assignee: Eastman Kodak Company
    Inventors: Charles T. Havens, Raymond T. Jones, John M. Fukushima, Jack J. Holt
  • Coating compositions for antistatic layers for photographic elements
    Patent number: 5326688
    Abstract: A solvent mixture of 8 to 30 weight percent of n-propyl acetate 1-methoxy-2-propanol or cyclohexane, 50 to 55 weight percent of acetone and the balance methanol is employed in a coating composition for applying a polymeric antistatic layer.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: July 5, 1994
    Assignee: Eastman Kodak Company
    Inventors: Ronald M. Stimson, James Skoronski, Thomas M. Smith, Jack J. Holt