P

Inventor

SINGER STEPHEN P

US78 patents

Patents

50 patents
US5563026AOct 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.