Inventor
RENNER GUENTER
DE23 patents
⚠️ This page may combine multiple inventors who share the name “RENNER GUENTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGFA GEVAERT AG
22 patentsUS4388403AJun 14, 1983
Process for the preparation of dispersions of hydrophobic substances in water
AGFA GEVAERT AG25 citations82
US4745052AMay 17, 1988
Color photographic recording material containing 2-equivalent magenta couplers
AGFA GEVAERT AG7 citations73
US4581324AApr 8, 1986
Color photographic recording material for the production of color images viewed by reflected light
AGFA GEVAERT AG12 citations73
US5075207ADec 24, 1991
Color photographic recording material containing new colored cyan couplers
AGFA GEVAERT AG8 citations68
US4529691AJul 16, 1985
Color photographic recording material containing color couplers
AGFA GEVAERT AG13 citations68
US4230851AOct 28, 1980
Process for the production of 2-equivalent yellow couplers
AGFA GEVAERT AG9 citations68
US5241058AAug 31, 1993
Azo dye salts useful as masking couplers and preparation thereof
AGFA GEVAERT AG2 citations62
US4977072ADec 11, 1990
Color photographic recording material containing color couplers
AGFA GEVAERT AG6 citations62
US4942116AJul 17, 1990
Color photographic recording material containing 2-equivalent magenta couplers
AGFA GEVAERT AG6 citations62
US4868099ASep 19, 1989
Color photographic recording material with thiosulphonic acid ester
AGFA GEVAERT AG6 citations62
US4840880AJun 20, 1989
Color photographic recording material containing a yellow DIR coupler
AGFA GEVAERT AG6 citations62
US4381339AApr 26, 1983
Photographic recording material and non-diffusing compounds to be used in the material which contains a photographically active group which can be split off
AGFA GEVAERT AG3 citations62
US4952487AAug 28, 1990
Color photographic recording material
AGFA GEVAERT AG6 citations61
US4656125AApr 7, 1987
Photographic recording material
AGFA GEVAERT AG6 citations61
US4427763AJan 24, 1984
Photographic recording material with a precursor compound for a yellow mask
AGFA GEVAERT AG4 citations61
US4855216AAug 8, 1989
No-rinse photographic processing method and the stabilizing bath used for this method
AGFA GEVAERT AG3 citations60
US4738919AApr 19, 1988
Photosensitive photographic silver halide recording material
AGFA GEVAERT AG4 citations59
US4788133ANov 29, 1988
Color photographic recording material
AGFA GEVAERT AG3 citations57
US5330886AJul 19, 1994
Color photographic recording material
AGFA GEVAERT AG0 citations52
US4855222AAug 8, 1989
Color photographic recording material
AGFA GEVAERT AG0 citations51
US4855441AAug 8, 1989
Process for the preparation of thioether compounds
AGFA GEVAERT AG1 citations42
US5002864AMar 26, 1991
Color photographic recording material containing 2-equivalent magenta couplers
AGFA GEVAERT AG0 citations40