Inventor
HOKE DAVID
US23 patents
Patents
23 patentsUS5457004AOct 10, 1995
Photographic element containing a high dye-yield coupler with methine dye chromophore
EASTMAN KODAK CO25 citations92
US5447819ASep 5, 1995
Photographic element containing high dye-yield couplers having improved reactivity
EASTMAN KODAK CO26 citations92
US4775616AOct 4, 1988
Cyan dye-forming couplers and photographic materials containing same
EASTMAN KODAK CO38 citations92
US5457210AOct 10, 1995
Intermediates for the preparation of pyrazoloazole photographic couplers, processes of making and using them
EASTMAN KODAK CO30 citations91
US4849328AJul 18, 1989
Cyan dye-forming couplers and photographic materials containing same
EASTMAN KODAK CO22 citations81
US5008180AApr 16, 1991
Photographic recording material containing a cyan dye-forming coupler
EASTMAN KODAK CO19 citations74
US4923791AMay 8, 1990
Photographic recording material containing a cyan dye-forming coupler
EASTMAN KODAK CO10 citations74
US5681691AOct 28, 1997
Photographic element containing an improved pyrazolotriazole coupler
EASTMAN KODAK CO7 citations73
US5045442ASep 3, 1991
Photographic materials with novel cyan dye forming couplers
EASTMAN KODAK CO16 citations73
US5834166ANov 10, 1998
Photographic element containing a particular cyan dye-forming coupler
EASTMAN KODAK CO2 citations63
US5441856AAug 15, 1995
Photographic elements containing indoaniline dummy dyes
EASTMAN KODAK CO3 citations63
US6132944AOct 17, 2000
Photographic element containing high dye-yield couplers
EASTMAN KODAK CO5 citations62
US6124503ASep 26, 2000
Processes for making and using alkylaminoarylcarbonyl compounds
EASTMAN KODAK CO3 citations62
US5985532ANov 16, 1999
Photographic element containing an improved pyrozolotriazole coupler
EASTMAN KODAK CO4 citations62
US5565572AOct 15, 1996
Intermediates for the preparation of pyrazoloazole photographic couplers, processes of making and using them
EASTMAN KODAK CO3 citations62
US5256529AOct 26, 1993
Silver halide photographic materials containing sulfonamido-solubilized pyrazolotriazole couplers
EASTMAN KODAK CO3 citations62
US4753871AJun 28, 1988
Cyan dye-forming couplers and photographic materials containing same
EASTMAN KODAK CO6 citations62
US5830632ANov 3, 1998
Photographic element containing dispersions of high dye-yield couplers having improved photographic activity
EASTMAN KODAK CO3 citations59
US5725999AMar 10, 1998
Methine yellow density correction dyes for color negative films with magnetic recording layers
EASTMAN KODAK CO2 citations59
US5981760ANov 9, 1999
Intermediates for the preparation of pyrazoloazole photographic couplers, processes of making and adjusting them
EASTMAN KODAK CO1 citations57
US6172260B1Jan 9, 2001
Preparation of high dye-yield couplers and intermediates useful therein
EASTMAN KODAK CO0 citations52
US5811228ASep 22, 1998
Density correction dyes for color negative films with magnetic recording layers
EASTMAN KODAK CO1 citations50
US6120981ASep 19, 2000
Photographic element containing sulfon amido compounds that boost dye formation from photographic couplers
EASTMAN KODAK CO1 citations48