Inventor
GRAHAM PATRICIA A
US10 patents
⚠️ This page may combine multiple inventors who share the name “GRAHAM PATRICIA A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
7 patentsUS4123274AOct 31, 1978
Heat developable imaging materials and process
EASTMAN KODAK CO63 citations94
US4499304AFeb 12, 1985
Color-forming sulfonamidodiphenylamines and corresponding sulfonimide dyes
EASTMAN KODAK CO30 citations90
US4128557ADec 5, 1978
Silver salts of 1,2,4-mercaptotriazole derivatives
EASTMAN KODAK CO13 citations71
US4507479AMar 26, 1985
Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye
EASTMAN KODAK CO5 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