Inventor
RENNER GUNTER
4 patents
Patents
4 patentsUS4138557AFeb 6, 1979
2-Equivalent yellow couplers
AGFA GEVAERT AG2 citations60
US4138263AFeb 6, 1979
Photographic silver halide material with 2-equivalent, N-heterocyclic yellow couplers
AGFA GEVAERT AG3 citations60
US4031130AJun 21, 1977
Aliphatic β-keto esters
AGFA GEVAERT AG2 citations57
US4133955AJan 9, 1979
Process for the production of 2-equivalent yellow couplers
AGFA GEVAERT AG2 citations56