| Patent Number |
Title Of Patent |
Date Issued |
| T998007 |
Phenylsulfamoyl couplers |
September 2, 1980 |
| Ballasted primary and secondary 3'-sulfamoyl-1-hydroxy-2-naphthanilide couplers are disclosed as well as compositions and photographic elements containing these couplers in coupler solvent particles. The coupler solvent particles are comprised of a combination of a coupler solvent and |
| T980004 |
Phenolic dye-forming couplers |
March 6, 1979 |
| 2,5-Dicarbonylaminophenols containing a p-alkylsulfonylaminophenoxy terminal moiety or a p-alkylaminosulfonylphenoxy terminal moiety in the five-position substituent of the molecule are color-forming couplers useful in photographic silver halide emulsions and elements. |
| 4250251 |
Phenylsulfamoyl couplers, coupler compositions and photographic elements suited to forming integ |
February 10, 1981 |
| Ballasted primary and secondary 3'-sulfamoyl-1-hydroxy-2-naphthanilide couplers are disclosed as well as compositions and photographic elements containing these couplers in coupler solvent particles. The coupler solvent particles are comprised of a combination of a coupler solvent and |
| 4124396 |
2,5-Dicarbonylaminophenol dye-forming couplers |
November 7, 1978 |
| 2,5-Dicarbonylaminophenols containing a p-alkyl-sulfonylaminophenoxy terminal moiety or a p-alkylamino-sulfonylphenoxy terminal moiety in the five-position substituent of the molecule are color-forming couplers useful in photographic silver halide emulsions and elements. |
