Patents by Inventor Elizabeth L. Kelly

Elizabeth L. Kelly 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).

  • Chromogenic black-and-white motion picture film
    Patent number: 5536629
    Abstract: The invention relates to a photographic element comprising a Formula I class yellow coupler comprising ##STR1## wherein R.sub.1 represents a substituent;X is hydrogen or a coupling-off group;Y represents an aryl group or a heterocyclic group;a Formula II class cyan coupler comprising ##STR2## wherein R.sub.2 represents a substituent;R.sub.3 represents a substituent;X represents a hydrogen or a coupling-off group;m is from 1-3; anda Formula III class magenta coupler comprising ##STR3## wherein R.sub.4 is a substituent;R.sub.5 is a substituent;X is hydrogen or a coupling-off group;and which provides a relative fixed upper scale contrast between 1.1 and 1.8.An alternative form of the invention relates to a photographic element comprising a Formula I class yellow coupler comprising ##STR4## wherein R.sub.1 represents a substituent;X is hydrogen or a coupling-off group;Y represents an aryl group or a heterocyclic group;a Formula IV class cyan coupler comprising ##STR5## wherein R.sub.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: July 16, 1996
    Assignee: Eastman Kodak Company
    Inventors: Gary N. Barber, Patricia R. Greco, Mitchell J. Bogdanowicz, Elizabeth L. Kelly
  • Chromogenic black-and-white motion picture film
    Patent number: 5491053
    Abstract: The invention relates to a photographic element comprising a Formula I class yellow coupler comprising ##STR1## wherein R.sub.1 represents a substituent;X is hydrogen or a coupling-off group;Y represents an aryl group or a heterocyclic group;a Formula II class cyan coupler comprising ##STR2## wherein R.sub.2 represents a substituent;R.sub.3 represents a substituent;X represents a hydrogen or a coupling-off group;m is from 1-3; anda Formula III class magenta coupler comprising ##STR3## wherein R.sub.4 is a substituent;R.sub.5 is a substituent;X is hydrogen or a coupling-off group;and which provides a relative fixed upper scale contrast between 1.1 and 1.8.An alternative form of the invention relates to a photographic element comprising a Formula I class yellow coupler comprising ##STR4## wherein R.sub.1 represents a substituent;X is hydrogen or a coupling-off group;Y represents an aryl group or a heterocyclic group;a Formula IV class cyan coupler comprising ##STR5## wherein R.sub.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: February 13, 1996
    Assignee: Eastman Kodak Company
    Inventors: Gary N. Barber, Patricia R. Greco, Mitchell J. Bogdanowicz, Elizabeth L. Kelly