Inventor
LING HANS G
US16 patents
Patents
16 patentsUS5151343ASep 29, 1992
Photographic material and process comprising wash-out naphtholic coupler
EASTMAN KODAK CO23 citations92
US5411839AMay 2, 1995
Image formation in color reversal materials using strong inhibitors
EASTMAN KODAK CO24 citations91
US4256881AMar 17, 1981
Blocked benzotriazole compounds as development restrainer precursors
EASTMAN KODAK CO18 citations82
US4255510AMar 10, 1981
Development restrainer precursors for photographic elements
EASTMAN KODAK CO22 citations82
US5387500AFeb 7, 1995
Color photographic elements containing a combination of pyrazoloazole couplers
EASTMAN KODAK CO7 citations73
US5283340AFeb 1, 1994
Photographic material and process comprising wash-out naphtholic coupler
EASTMAN KODAK CO6 citations73
US5234800AAug 10, 1993
Photographic material and process comprising wash-out naphtholic coupler
EASTMAN KODAK CO8 citations73
US5389504AFeb 14, 1995
Color photographic elements containing a combination of pyrazolone and pyrazoloazole couplers
EASTMAN KODAK CO13 citations71
US4128538ADec 5, 1978
Crosslinking polymeric dye mordant composition reaction product of bisalkane or bisarene sulfonate and vinyl polymer
EASTMAN KODAK CO9 citations63
US5763145AJun 9, 1998
Photographic element containing a reductone and, in the most blue light sensitive layer, a fine grain emulsion
EASTMAN KODAK CO4 citations62
US5272043ADec 21, 1993
Photographic material and process comprising DIR coupler
EASTMAN KODAK CO4 citations62
US5256529AOct 26, 1993
Silver halide photographic materials containing sulfonamido-solubilized pyrazolotriazole couplers
EASTMAN KODAK CO3 citations62
US5853968ADec 29, 1998
Multilayer color photographic element
EASTMAN KODAK CO2 citations61
US5288593AFeb 22, 1994
Photographic material and process comprising a coupler capable of forming a wash-out dye (Q/Q)
EASTMAN KODAK CO3 citations60
US5279929AJan 18, 1994
Photographic material and process comprising a coupler capable of forming a wash-out dye (C/C)
EASTMAN KODAK CO2 citations60
US5286613AFeb 15, 1994
Photographic material comprising a combination of couplers forming washout and non-washout dyes
EASTMAN KODAK CO1 citations52