Inventor
MERKEL PAUL B
US75 patents
Patents
50 patentsUS4524122AJun 18, 1985
Substituted 4-nitrophenylazo-1-naphthol cyan dyes having improved light stability
EASTMAN KODAK CO57 citations93
US5298368AMar 29, 1994
Photographic coupler compositions and methods for reducing continued coupling
EASTMAN KODAK CO21 citations92
US5047350ASep 10, 1991
Material and method for oxygen sensing
EASTMAN KODAK CO44 citations92
US4923788AMay 8, 1990
Filter dyes for photographic elements
EASTMAN KODAK CO30 citations92
US4797357AJan 10, 1989
Light-stable reducible compounds and analytical compositions, elements and methods utilizing same
EASTMAN KODAK CO47 citations92
US7459263B2Dec 2, 2008
Optical recording media with triplet-sensitized isomerization
EASTMAN KODAK CO26 citations90
US7695783B2Apr 13, 2010
Image-recording element with fluorosurfactant and colloidal particles
EASTMAN KODAK CO19 citations83
US5958662ASep 28, 1999
Photographic element containing a DIR coupler
EASTMAN KODAK CO9 citations74
US5942381AAug 24, 1999
Photographic element and process employing active, stable benzotriazole-releasing DIR couplers
EASTMAN KODAK CO8 citations74
US5821043AOct 13, 1998
1,2,4-triazole-releasing pyrazolone DIR couplers
EASTMAN KODAK CO8 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
US5192646AMar 9, 1993
Photographic elements having sulfoxide coupler solvents and addenda to reduce sensitizing dye stain
EASTMAN KODAK CO7 citations74
US5188926AFeb 23, 1993
Photographic elements having carbonamide coupler solvents and addenda to reduce sensitizing dye stain
EASTMAN KODAK CO11 citations74
US5008180AApr 16, 1991
Photographic recording material containing a cyan dye-forming coupler
EASTMAN KODAK CO19 citations74
US4935321AJun 19, 1990
Photographic recording material comprising a dye image-forming compound
EASTMAN KODAK CO9 citations74
US4923791AMay 8, 1990
Photographic recording material containing a cyan dye-forming coupler
EASTMAN KODAK CO10 citations74
US4861700AAug 29, 1989
Photographic element containing yellow filter dyes having tricyanovinyl groups
EASTMAN KODAK CO15 citations74
US5451496ASep 19, 1995
Color photographic materials and methods containing DIR or DIAR couplers and phenolic coupler solvents
EASTMAN KODAK CO7 citations73
US5447830ASep 5, 1995
3-anilino pyrazolone magenta couplers and process
EASTMAN KODAK CO10 citations73
US4973535ANov 27, 1990
Photographic recording material comprising a dye image-forming coupler compound
EASTMAN KODAK CO7 citations73
US5256528AOct 26, 1993
Magenta image-dye couplers of improved hue
EASTMAN KODAK CO9 citations71
US5350667ASep 27, 1994
Photographic elements containing magenta couplers and process for using same
EASTMAN KODAK CO16 citations69
US4012260AMar 15, 1977
Activator-stabilizers in heat developable photographic materials and processes
EASTMAN KODAK CO9 citations66
US6815019B2Nov 9, 2004
Ink jet recording element
EASTMAN KODAK CO2 citations63
US6790569B2Sep 14, 2004
Color photothermographic elements comprising phenolic thermal solvents
EASTMAN KODAK CO6 citations63
US6779885B2Aug 24, 2004
Ink jet printing method
EASTMAN KODAK CO2 citations63
US6699538B2Mar 2, 2004
Ink jet recording element
EASTMAN KODAK CO2 citations63
US6677004B2Jan 13, 2004
Ink jet recording element
EASTMAN KODAK CO2 citations63
US6612692B2Sep 2, 2003
Ink jet printing method
EASTMAN KODAK CO6 citations63
US6605325B2Aug 12, 2003
Ink jet recording element
EASTMAN KODAK CO2 citations63
US6174662B1Jan 16, 2001
Combinations of purine-releasing pyrazolone DIR couplers and pyrazolone of pyrazolotriazole imaging couplers
EASTMAN KODAK CO2 citations63
US6107017AAug 22, 2000
Photographic elements containing high-boiling diester solvents
EASTMAN KODAK CO4 citations63
US6087082AJul 11, 2000
Photographic element containing an acylacetanilide DIR coupler
EASTMAN KODAK CO2 citations63
US5998106ADec 7, 1999
Photographic element containing cylacetamido yellow dye-forming couplers
EASTMAN KODAK CO2 citations63
US5994038ANov 30, 1999
Photographic element containing acetamido DIR coupler
EASTMAN KODAK CO3 citations63
US5989798ANov 23, 1999
Combinations of purine-releasing pyrazolone DIR couplers and pyrazolone or pyrazolotriazole imaging couplers
EASTMAN KODAK CO2 citations63
US5965341AOct 12, 1999
Photographic element containing particular coupler combination
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
US5460930AOct 24, 1995
Photographic elements containing indoaniline dummy dyes
EASTMAN KODAK CO2 citations63
US5455150AOct 3, 1995
Color photographic negative elements with enhanced printer compatibility
EASTMAN KODAK CO6 citations63
US5441856AAug 15, 1995
Photographic elements containing indoaniline dummy dyes
EASTMAN KODAK CO3 citations63
US5441851AAug 15, 1995
Use of heterocyclic nitrogen addenda to reduce continued coupling of magenta dye-forming couplers
EASTMAN KODAK CO3 citations63
US5232821AAug 3, 1993
Photographic coupler compositions containing ballasted sulfoxides and sulfones and methods
EASTMAN KODAK CO3 citations63
US6171771B1Jan 9, 2001
Photographic element containing a DIR coupler
EASTMAN KODAK CO3 citations62
US5605787AFeb 25, 1997
3-anilino pyrazolone magenta couplers and process
EASTMAN KODAK CO4 citations62
US5451492ASep 19, 1995
Photographic elements containing certain acylacetanilide couplers in combination with development inhibitor releasing couplers
EASTMAN KODAK CO6 citations62
US6680165B1Jan 20, 2004
Cyan coupler dispersion with increased activity
EASTMAN KODAK CO3 citations61
US5532117AJul 2, 1996
Photographic element containing certain azoaniline dyes
EASTMAN KODAK CO2 citations61
Showing the top 50 of 75 patents by PatentIndex Score.