Inventor
WOLFRUEM GERHARD
DE3 patents
Patents
3 patentsUS4524123AJun 18, 1985
Chelatable 4-thienyl imidazole azo dyes, their use in color photographic recording material
AGFA GEVAERT AG7 citations71
US4579817AApr 1, 1986
Color photographic recording material containing dye-releasers releasing 6-arylazo-2-amino-3-pyridinol dyes which are chelatable with metal ions
AGFA GEVAERT AG3 citations60
US4461827AJul 24, 1984
Color photographic recording material containing a non-diffusible dye releaser from which a complexible azo dye is released during development
AGFA GEVAERT AG5 citations60