Patents Represented by Attorney, Agent or Law Firm Arthur E. Eluegel
  • Patent number: 6348306
    Abstract: Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith (a) a pyrazolotriazole dye-forming coupler; (b) a cyclic aminosulfone first stabilizer; and (c) a sulfonamide compound co-stabilizer free of aromatic substituents and having a melting point of less than 150° C. The image dye formed by the coupler exhibits improved dye light stability.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: February 19, 2002
    Assignee: Eastman Kodak Company
    Inventors: Albert J. Mura, Jr., Shari L. Eiff, Gary M. Russo