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Inventor: Hubsch; Thomas
Address: Leverkusen, DE
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5731133 |
Process for the production of a chromogenically developed color photographic image using a compo |
March 24, 1998 |
| The storage stability of photographic color images obtained by chromogenic development may be improved by compounds of the formula I, which are capable of reacting with primary amines, in particular color developer compounds (reagent for primary amines). The compounds of the formula may |
| 5601968 |
Color photographic silver halide material |
February 11, 1997 |
| A color photographic silver halide material with a support and at least one silver halide emulsion layer applied thereto which contains at least one 2-equivalent pyrazolone magenta coupler of the formula (I) ##STR1## with the substituents having the meanings stated in the specificati |
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