Inventor
RANZ ERWIN
28 patents
Patents
28 patentsUS4770980ASep 13, 1988
Multilayer color photographic recording material wherein a red secondary sensitivity is produced in the blue and green layers
AGFA GEVAERT AG9 citations73
US4365012ADec 21, 1982
Light sensitive recording material
AGFA GEVAERT AG18 citations73
US4171223AOct 16, 1979
Light-sensitive color photographic material
AGFA GEVAERT AG9 citations73
US4088491AMay 9, 1978
Light sensitive photographic material
AGFA GEVAERT AG8 citations73
US4046574ASep 6, 1977
Color photographic material with homophthalimide thioether development inhibitor
AGFA GEVAERT AG7 citations73
US4003748AJan 18, 1977
Incorporation process
AGFA GEVAERT AG8 citations73
US4348474ASep 7, 1982
Light sensitive photographic recording material and the use thereof for the production of photographic images
AGFA GEVAERT AG13 citations72
US4267264AMay 12, 1981
Color photographic recording material
AGFA GEVAERT AG14 citations72
US4119464AOct 10, 1978
Process for hardening photographic layers containing gelatine
AGFA GEVAERT AG16 citations72
US4052213AOct 4, 1977
Light-sensitive photographic material
AGFA GEVAERT AG17 citations72
US4369248AJan 18, 1983
Photographic recording material and its use for the production of images
AGFA GEVAERT AG7 citations71
US4186011AJan 29, 1980
Color photographic recording material
AGFA GEVAERT AG14 citations71
US4036646AJul 19, 1977
Color correction of unwanted side densities in light-sensitive color photographic elements
AGFA GEVAERT AG8 citations70
US4043818AAug 23, 1977
Process for hardening photographic layers with carbodiimide compounds containing sulphobetaine groups
AGFA GEVAERT AG7 citations68
US4418142ANov 29, 1983
Light-sensitive photographic silver halide recording material
AGFA GEVAERT AG5 citations63
US4368259AJan 11, 1983
Color photographic recording material containing an emulsified, hydrophilic color-forming compound
AGFA GEVAERT AG4 citations62
US4250252AFeb 10, 1981
Light-sensitive color photographic material
AGFA GEVAERT AG5 citations62
US4186012AJan 29, 1980
Light sensitive color photographic material containing development inhibitor releasing coupler
AGFA GEVAERT AG3 citations62
US4183752AJan 15, 1980
Light-sensitive photographic material
AGFA GEVAERT AG6 citations61
US3941595AMar 2, 1976
Photographic material containing fogged, direct positive silver halide emulsion and negative silver halide emulsion for the production of equidensities
AGFA GEVAERT AG5 citations61
US4571378AFeb 18, 1986
Color photographic recording material and development process
AGFA GEVAERT AG4 citations60
US4315070AFeb 9, 1982
Color-photographic recording material containing a highly reactive dir-coupler
AGFA GEVAERT AG6 citations60
US4023970AMay 17, 1977
Light-sensitive color photographic material with masking layer comprising spontaneously silver halide
AGFA GEVAERT AG4 citations59
US4106940AAug 15, 1978
Light-sensitive material containing emulsified substances
AGFA GEVAERT AG2 citations57
US4173479ANov 6, 1979
Color photographic recording material
AGFA GEVAERT AG4 citations56
US4576907AMar 18, 1986
Color-photographic recording material
AGFA GEVAERT AG1 citations52
US4301243ANov 17, 1981
Photographic recording material
AGFA GEVAERT AG1 citations51
US4174969ANov 20, 1979
Light sensitive photographic material
AGFA GEVAERT AG0 citations41