Inventor
PUSCHEL WALTER
15 patents
⚠️ This page may combine multiple inventors who share the name “PUSCHEL WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGFA GEVAERT AG
14 patentsUS4171223AOct 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
US4198235AApr 15, 1980
Dye diffusion transfer process employing compounds that release sulfonamide dye providing radicals
AGFA GEVAERT AG9 citations72
US4195992AApr 1, 1980
Photographic dye diffusion transfer process
AGFA GEVAERT AG7 citations72
US4139387AFeb 13, 1979
Process for the production of direct-positive photographic images
AGFA GEVAERT AG11 citations72
US4250252AFeb 10, 1981
Light-sensitive color photographic material
AGFA GEVAERT AG5 citations62
US4242435ADec 30, 1980
Photographic dye diffusion transfer process
AGFA GEVAERT AG4 citations62
US4186012AJan 29, 1980
Light sensitive color photographic material containing development inhibitor releasing coupler
AGFA GEVAERT AG3 citations62
US4171220AOct 16, 1979
Photographic dye diffusion transfer process
AGFA GEVAERT AG4 citations62
US4139383AFeb 13, 1979
Dye diffusion transfer employing pyridine azo dye
AGFA GEVAERT AG6 citations61
US4110113AAug 29, 1978
Sulfonamido dye releaser in photographic dye diffusion transfer
AGFA GEVAERT AG6 citations60
US4156608AMay 29, 1979
Color photographic material with improved color reproduction
AGFA GEVAERT AG6 citations59
US4301243ANov 17, 1981
Photographic recording material
AGFA GEVAERT AG1 citations51