Inventor
GABRIELSEN ROLF S
US11 patents
⚠️ This page may combine multiple inventors who share the name “GABRIELSEN ROLF S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
8 patentsUS4499304AFeb 12, 1985
Color-forming sulfonamidodiphenylamines and corresponding sulfonimide dyes
EASTMAN KODAK CO30 citations90
US3985565AOct 12, 1976
Photothermographic, composition using a phenolic leuco dye as a reducing agent
EASTMAN KODAK CO59 citations90
US4552980ANov 12, 1985
Dye precursors and their use in photographic materials and processes
EASTMAN KODAK CO7 citations72
US4507479AMar 26, 1985
Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye
EASTMAN KODAK CO5 citations61
US4411984AOct 25, 1983
Dye precursors and their use in photographic materials and processes
EASTMAN KODAK CO6 citations61
US4380666AApr 19, 1983
Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye
EASTMAN KODAK CO5 citations61
US4368246AJan 11, 1983
Photographic materials and processes comprising color-forming sulfonamidodiphenylamine dye precursors and corresponding phenazine dyes
EASTMAN KODAK CO6 citations61
US4390606AJun 28, 1983
Color-forming para-sulfonamidodiphenylamine dye precursor and sulfonimide dye in photographic material and process
EASTMAN KODAK CO6 citations60