Patents by Inventor Faraj Abu-Hasanayn

Faraj Abu-Hasanayn 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).

  • Patent number: 6221573
    Abstract: The specification discloses a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a dye-forming coupler having Formula F-1: wherein: (1) W1 is a heteroatom or heterogroup; (2) X is hydrogen or a coupling-off group other than halogen, and Y and Z are independently selected from hydrogen or a substituent; (3) W4 and W5 are, independently, either hydrogen or a substituent; (4) R1 is hydrogen or a substituent group, other than unsubstituted phenyl, and is attached through the oxygen atom to a position meta or para to the carbon link to the heterocycle containing W1; and (5) each R2 is an independently selected substituent, and n is 0 to 4; provided that any substituents may join to form a ring.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: April 24, 2001
    Assignee: Eastman Kodak Company
    Inventors: Faraj Abu-Hasanayn, Beata Owczarczyk, Thomas R. Welter