Patent Number: 6,309,813

Title: Reduced fog in photographic coatings containing a monosubstituted quinone

Abstract: Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer containing an azopyrazolone masking coupler and a monosubstituted quinone of formula I: ##STR1## wherein R is selected from the group consisting of alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, sulfinyl, sulfonyl,sulfamoyl, halogen, cyano, thiol, hydroxy, nitro, acyloxy, sulfonyloxy, heterocyclic, carboxylic acid, carboxylate, carbamoyl, amino, carbonamido and sulfonamido groups.

Inventors: Younathan; Janet N. (Fairport, NY), Kapp; Daniel L. (Rochester, NY), Singer; Stephen P. (Spencerport, NY), Foster; David R. (Rochester, NY)

Assignee: Eastman Kodak Company

International Classification: G03C 7/392 (20060101); G03C 7/333 (20060101); G03C 001/08 (); G03C 007/26 (); G03C 007/32 ()

Expiration Date: 10/30/2018