Inventor
SINGER STEPHEN P
US78 patents
Patents
50 patentsUS5563026AOct 8, 1996
Color negative element having improved green record printer compatibility
EASTMAN KODAK CO28 citations93
US6350564B1Feb 26, 2002
Color photographic element containing speed improving compound in combination with reflecting material
EASTMAN KODAK CO21 citations92
US6319660B1Nov 20, 2001
Color photographic element containing speed improving compound
EASTMAN KODAK CO36 citations92
US5298368AMar 29, 1994
Photographic coupler compositions and methods for reducing continued coupling
EASTMAN KODAK CO21 citations92
US4840884AJun 20, 1989
Photographic element and process comprising a dye releasing group
EASTMAN KODAK CO42 citations92
US5019492AMay 28, 1991
Photographic element and process comprising a blocked photographically useful compound
EASTMAN KODAK CO51 citations91
US6426180B1Jul 30, 2002
Color photographic element containing speed improving compound in combination with electron transfer agent releasing compound
EASTMAN KODAK CO18 citations84
US4923784AMay 8, 1990
Photographic elements containing a bleach accelerator precursor
EASTMAN KODAK CO19 citations82
US4619884AOct 28, 1986
Photographic products employing nondiffusible N',N'-diaromatic carbocyclic--or diaromatic heterocyclic--sulfonohydrazide compounds capable of releasing photographically useful groups
EASTMAN KODAK CO20 citations82
US5856072AJan 5, 1999
Photographic element containing 5-carbamoyl resorcinol interlayer scavenger
EASTMAN KODAK CO15 citations74
US5447831ASep 5, 1995
Photographic element employing hue correction couplers
EASTMAN KODAK CO10 citations74
US5376519ADec 27, 1994
Photographic material containing a coupler composition comprising magenta coupler, phenolic solvent, and at least one aniline or amine
EASTMAN KODAK CO15 citations74
US5250405AOct 5, 1993
Color photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methods
EASTMAN KODAK CO15 citations74
US5200309AApr 6, 1993
Color photographic materials including magenta coupler, carbonamide compound and aniline or amine compound, and methods
EASTMAN KODAK CO12 citations74
US4912024AMar 27, 1990
Photographic material having releasable compound
EASTMAN KODAK CO11 citations74
US4865956ASep 12, 1989
Photographic elements containing a bleach accelerator precursor
EASTMAN KODAK CO16 citations74
US6893809B2May 17, 2005
Silver halide photographic element containing fogged emulsions for accelerated development
EASTMAN KODAK CO7 citations73
US6455242B1Sep 24, 2002
Color photographic element containing speed improving compound
EASTMAN KODAK CO13 citations73
US6197488B1Mar 6, 2001
Color photographic element containing a coupler releasing derivative with at least three heteroatoms with specific hydrophobicity
EASTMAN KODAK CO8 citations73
US5681691AOct 28, 1997
Photographic element containing an improved pyrazolotriazole coupler
EASTMAN KODAK CO7 citations73
US5629140AMay 13, 1997
Photographic elements containing scavengers for oxidized developing agent
EASTMAN KODAK CO9 citations73
US5262284ANov 16, 1993
Arylidene pyrazolone coupler
EASTMAN KODAK CO9 citations73
US6190848B1Feb 20, 2001
Color photographic element containing ballasted triazole derivative and inhibitor releasing coupler
EASTMAN KODAK CO13 citations72
US6054257AApr 25, 2000
Photographic element containing particular coupler and inhibitor releasing coupler
EASTMAN KODAK CO8 citations72
US5262292ANov 16, 1993
Photographic elements containing pyrazolone couplers and process
EASTMAN KODAK CO12 citations72
US5256528AOct 26, 1993
Magenta image-dye couplers of improved hue
EASTMAN KODAK CO9 citations71
US6010837AJan 4, 2000
Silver halide photographic element comprising image dye-forming couplers
EASTMAN KODAK CO8 citations70
US5350667ASep 27, 1994
Photographic elements containing magenta couplers and process for using same
EASTMAN KODAK CO16 citations69
US6316177B1Nov 13, 2001
Color photographic element containing speed-improving polymers
EASTMAN KODAK CO5 citations63
US6255045B1Jul 3, 2001
Color photographic element containing improved polymeric disulfonamidophenol for scavenging oxidized developer
EASTMAN KODAK CO3 citations63
US5932407AAug 3, 1999
Color photographic element containing oxidized developer-scavenging naphtholic coupler forming wash-out dye
EASTMAN KODAK CO4 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
US5462848AOct 31, 1995
Color photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methods
EASTMAN KODAK CO4 citations63
US5455150AOct 3, 1995
Color photographic negative elements with enhanced printer compatibility
EASTMAN KODAK CO6 citations63
US5441851AAug 15, 1995
Use of heterocyclic nitrogen addenda to reduce continued coupling of magenta dye-forming couplers
EASTMAN KODAK CO3 citations63
US4634654AJan 6, 1987
Photographic products employing nondiffusible 4-arylazo-1-hydroxy-2-carboxy ester substituted naphthoic image dye-providing compounds
EASTMAN KODAK CO2 citations63
US6794121B2Sep 21, 2004
Method of making a silver halide photographic material having enhanced light absorption and low fog and containing a scavenger for oxidized developer
EASTMAN KODAK CO2 citations62
US6756188B2Jun 29, 2004
Photographic recording material for accelerated development
EASTMAN KODAK CO5 citations62
US6589724B1Jul 8, 2003
Color photographic element containing speed-improving benzotriazole polymer
EASTMAN KODAK CO2 citations62
US6309811B2Oct 30, 2001
Color photographic element containing nitrogen heterocycle derivative and inhibitor releasing coupler
EASTMAN KODAK CO3 citations62
US6190849B1Feb 20, 2001
Photographic element containing ballasted tetrazole derivative and inhibitor releasing coupler
EASTMAN KODAK CO5 citations62
US5985532ANov 16, 1999
Photographic element containing an improved pyrozolotriazole coupler
EASTMAN KODAK CO4 citations62
US5492799AFeb 20, 1996
Azopyrazolone masking couplers
EASTMAN KODAK CO5 citations62
US5466568ANov 14, 1995
Photographic element containing an azopyrazolone masking coupler exhibiting reduced fog
EASTMAN KODAK CO3 citations62
US5364745ANov 15, 1994
Azoaniline masking couplers for photographic materials
EASTMAN KODAK CO3 citations62
US5358828AOct 25, 1994
Photographic element and process comprising a bleach accelerator releasing compound
EASTMAN KODAK CO5 citations62
US6811963B2Nov 2, 2004
Color photographic material with improved sensitivity
EASTMAN KODAK CO3 citations61
US6472133B1Oct 29, 2002
Silver halide element with improved high temperature storage
EASTMAN KODAK CO2 citations61
US6140029AOct 31, 2000
Color photographic element containing elemental silver and nitrogen heterocycle in a non-light sensitive layer
EASTMAN KODAK CO5 citations61
Showing the top 50 of 78 patents by PatentIndex Score.