Inventor
SCHLEIGH WILLIAM R
US8 patents
Patents
8 patentsUS5561037AOct 1, 1996
Photographic elements containing magenta dye forming couplers and fade reducing compounds
EASTMAN KODAK CO21 citations92
US5484696AJan 16, 1996
Photographic elements containing 2-equivalent pyrazolone magenta dye forming couplers and fade reducing compounds
EASTMAN KODAK CO7 citations73
US5447830ASep 5, 1995
3-anilino pyrazolone magenta couplers and process
EASTMAN KODAK CO10 citations73
US5605787AFeb 25, 1997
3-anilino pyrazolone magenta couplers and process
EASTMAN KODAK CO4 citations62
US5491054AFeb 13, 1996
Photographic elements containing 2-equivalent pyrazolone magenta dye forming couplers and stabilizing compounds
EASTMAN KODAK CO5 citations62
US5972574AOct 26, 1999
Photographic element containing magenta coupler having improved manufacturability and dye light stability
EASTMAN KODAK CO6 citations61
US5183894AFeb 2, 1993
2-substituted-1-hydroxyindoles
EASTMAN KODAK CO3 citations61
US5118695AJun 2, 1992
1-hydroxyindole fungicides
EASTMAN KODAK CO5 citations61