Inventor
MARTHALER MAX
8 patents
⚠️ This page may combine multiple inventors who share the name “MARTHALER MAX”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY AG
7 patentsUS4254215AMar 3, 1981
Process for the prevention of darkening and the formation of a sediment in photographic developer solutions
CIBA GEIGY AG21 citations79
US4304846ADec 8, 1981
Method for processing silver dye-bleach materials
CIBA GEIGY AG18 citations72
US4014698AMar 29, 1977
Method for processing silver dye bleach materials
CIBA GEIGY AG9 citations72
US3963492AJun 15, 1976
Method for processing silver dye bleach materials
CIBA GEIGY AG9 citations71
US3961957AJun 8, 1976
Dye bleach preparation for the photographic silver dye bleach process
CIBA GEIGY AG9 citations68
US4046566ASep 6, 1977
Process for the production of masked positive color images by the silver dye bleach process using silver complex diffusion
CIBA GEIGY AG6 citations61
US4197123AApr 8, 1980
Process for the production of masked positive color images by the silver dye bleach process
CIBA GEIGY AG6 citations58