Inventor
MELZER ARNFRIED
4 patents
Patents
4 patentsUS4198235AApr 15, 1980
Dye diffusion transfer process employing compounds that release sulfonamide dye providing radicals
AGFA GEVAERT AG9 citations72
US4110113AAug 29, 1978
Sulfonamido dye releaser in photographic dye diffusion transfer
AGFA GEVAERT AG6 citations60
US4142895AMar 6, 1979
Photographic color developer composition
AGFA GEVAERT AG3 citations59
US4155764AMay 22, 1979
Photographic color developer composition
AGFA GEVAERT AG1 citations40