Inventor
KUFFNER KARL
DE8 patents
Patents
8 patentsUS4204867AMay 27, 1980
Process for the production of color photographic images using new white coupler substances
AGFA GEVAERT AG7 citations71
US4133958AJan 9, 1979
2-Equivalent yellow couplers
AGFA GEVAERT AG12 citations71
US3945829AMar 23, 1976
Color photographic multilayer material with improved color density
AGFA GEVAERT AG14 citations66
US4183752AJan 15, 1980
Light-sensitive photographic material
AGFA GEVAERT AG6 citations61
US3973979AAug 10, 1976
Color photographic materials containing diffusion fast pyrazolone couplers
AGFA GEVAERT AG5 citations61
US3931221AJan 6, 1976
Process for preparing 3-anilino-pyrazolones-(5)
AGFA GEVAERT AG4 citations61
US3956311AMay 11, 1976
Process for the preparation of 3-anilino-pyrazolones-(5)
AGFA GEVAERT AG5 citations60
US4059447ANov 22, 1977
Photographic material containing oxazolinone-2 couplers
AGFA GEVAERT AG1 citations51