Inventor
ROSENHAHN LOTHAR
DE17 patents
⚠️ This page may combine multiple inventors who share the name “ROSENHAHN LOTHAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGFA GEVAERT AG
11 patentsUS4603102AJul 29, 1986
Photographic silver halide recording material with cellulose dicarboxylic acid semiester particles in outer layer
AGFA GEVAERT AG50 citations92
US4414309ANov 8, 1983
Photographic recording material containing an aldehyde remover
AGFA GEVAERT AG9 citations73
US4067741AJan 10, 1978
Hardening photographic layers containing silver halide with a 1-sulphonyl-4-amino-pyridinium salt
AGFA GEVAERT AG8 citations73
US4055427AOct 25, 1977
Process of hardening a silver halide photographic material with a 1-carbamoyloxypyridinium salt
AGFA GEVAERT AG5 citations62
US6017689AJan 25, 2000
Color photographic silver halide material
AGFA GEVAERT AG2 citations61
US5306605AApr 26, 1994
Photographic recording material
AGFA GEVAERT AG5 citations61
US4559296ADec 17, 1985
Photographic recording material containing new azo dyes
AGFA GEVAERT AG3 citations61
US4210714AJul 1, 1980
Photographic material with improved properties
AGFA GEVAERT AG2 citations58
US4358531ANov 9, 1982
Photographic material, process for the production thereof and process for the production of photographic images
AGFA GEVAERT AG0 citations51
US4276373AJun 30, 1981
Photosensitive photographic material containing a light-absorbing dye
AGFA GEVAERT AG1 citations51
US4052215AOct 4, 1977
Color photographic multilayered material with improved color density
AGFA GEVAERT AG1 citations51