| Patent Number |
Title Of Patent |
Date Issued |
| T998014 |
Thiazolyl couplers, coupler compositions and photographic elements suited to forming integral so |
September 2, 1980 |
| Ballasted 1-hydroxy-2-naphthamide couplers which are N-substituted with a thiazolyl group that is in turn substituted with a phenyl group are disclosed as well as compositions and photographic elements containing these couplers in coupler solvents. Preferred couplers are those of the |
| RE30211 |
Photographic elements containing color-forming couplers having an inhibiting effect upon the rea |
February 12, 1980 |
| Color photographic elements containing silver halide and incorporated color-forming materials are described. These elements contain at least two differentially light-sensitive emulsion layers, the overlying layer being sensitive to the relatively shorter wavelengths and containing at lea |
| 6162598 |
Silver halide photographic element containing improved yellow dye-forming coupler |
December 19, 2000 |
| A color photographic element includes a support, a silver halide emulsion layer, and associated therewith a yellow dye-forming coupler having the formula ##STR1## wherein R.sup.1 represents a tertiary alkyl group containing 4 to about 20 carbon atoms; R.sup.2 represents an alkyl, |
| 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 |
| 4233389 |
Fluorinated 1-hydroxy-2-naphthamide coupler compositions and photographic elements suited to for |
November 11, 1980 |
| Fluorinated 1-hydroxy-2-naphthamide couplers which are N-substituted with a lower alkylphenoxybutyl ballasting group are disclosed as well as compositions and photographic elements containing these couplers in coupler solvent particles. The coupler solvent particles are comprised of |
| 4178183 |
Thiazolyl coupler compositions and photographic elements suited to forming integral sound tracks |
December 11, 1979 |
| Ballasted 1-hydroxy-2-naphthamide couplers which are N-substituted with a thiazolyl group that is in turn substituted with a phenyl group are disclosed as well as compositions and photographic elements containing these couplers in coupler solvents. The coupler solvent particles are c |
