Inventor
LEONE RONALD E
US22 patents
Patents
22 patentsUS4030925AJun 21, 1977
Photographic compositions and elements including internal latent image silver halide grains and acylhydrazinophenylthiourea nucleating agents therefor
EASTMAN KODAK CO45 citations89
US4276364AJun 30, 1981
Acylhydrazinophenylthiourea nucleating agents and photographic emulsions and elements containing such agents
EASTMAN KODAK CO20 citations81
US4031127AJun 21, 1977
Acyl hydrazino thiourea derivatives as photographic nucleating agents
EASTMAN KODAK CO24 citations79
US5942381AAug 24, 1999
Photographic element and process employing active, stable benzotriazole-releasing DIR couplers
EASTMAN KODAK CO8 citations74
US5856072AJan 5, 1999
Photographic element containing 5-carbamoyl resorcinol interlayer scavenger
EASTMAN KODAK CO15 citations74
US5104769AApr 14, 1992
High contrast photographic element and emulsion and process for their use
EASTMAN KODAK CO14 citations72
US4080207AMar 21, 1978
Radiation-sensitive compositions and photographic elements containing N-(acylhydrazinophenyl) thioamide nucleating agents
EASTMAN KODAK CO18 citations72
US4576905AMar 18, 1986
Photographically useful chalcogenazoles, chalcogenazolines, and chalcogenazolinium and chalcogenazolium salts
EASTMAN KODAK CO14 citations71
US6255045B1Jul 3, 2001
Color photographic element containing improved polymeric disulfonamidophenol for scavenging oxidized developer
EASTMAN KODAK CO3 citations63
US6107017AAug 22, 2000
Photographic elements containing high-boiling diester solvents
EASTMAN KODAK CO4 citations63
US5965341AOct 12, 1999
Photographic element containing particular coupler combination
EASTMAN KODAK CO3 citations63
US5821039AOct 13, 1998
Photographic element containing neutral dye-forming resorcinol coupler
EASTMAN KODAK CO2 citations63
US5561036AOct 1, 1996
Photographic elements containing scavengers for oxidized developing agent
EASTMAN KODAK CO3 citations63
US5250399AOct 5, 1993
Photographic material and process comprising a universal coupler
EASTMAN KODAK CO3 citations62
US4874866AOct 17, 1989
Photographically useful chalcogenazoles, chalcogenazolines, and chalcogenazolinium and chalcogenazolium salts
EASTMAN KODAK CO5 citations60
US4831136AMay 16, 1989
Oxatellurazolium and oxatellurazinium compounds
EASTMAN KODAK CO3 citations60
US6054258AApr 25, 2000
Photographic elements containing high-boiling esters
EASTMAN KODAK CO1 citations52
US5561035AOct 1, 1996
Photographic elements containing scavengers for oxidized developing agent
EASTMAN KODAK CO1 citations52
US5521057AMay 28, 1996
Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yeilding dyes resistant to crystallization and reduction
EASTMAN KODAK CO0 citations52
US5514530AMay 7, 1996
Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yielding dyes resistant to crystallization and reduction
EASTMAN KODAK CO1 citations52
US5506094AApr 9, 1996
Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yielding dyes resistant to crystallization and reduction
EASTMAN KODAK CO1 citations52
US4948721AAug 14, 1990
Photographic recording materials with enhanced latent image stability
EASTMAN KODAK CO1 citations52