Patents by Inventor Ronald L. Verhow

Ronald L. Verhow 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).

  • Temporary barrier layer for photographic element
    Patent number: 4865946
    Abstract: A polymer composition of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, G, J, L, x, y, and z are as defined herein is useful as a temporary barrier between reactants in photographic materials. The barrier is particularly useful as a process timing layer in color image transfer film units.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: September 12, 1989
    Assignee: Eastman Kodak Company
    Inventors: Wayne A. Bowman, Ronald L. Verhow