Inventor · disambiguated record
Paul B. Merkel
Also filed as: MERKEL PAUL B · MERKEL PAUL BARRETT
85 granted patents·3 pending applications·616 citations·filing 1975–2004
99Inventor score
Files withEASTMAN KODAK CO88
Top patents by PatentIndex Score
88 records- 0195US4524122ASubstituted 4-nitrophenylazo-1-naphthol cyan dyes having improved light stabilityEASTMAN KODAK CO·Filed 1984·Granted Jun 18, 1985·57 cites·23 claims
- 0295US4060420ASulfonylacetate activator-stabilizer precursorEASTMAN KODAK CO·Filed 1976·Granted Nov 29, 1977·36 cites·28 claims
- 0394US4923788AFilter dyes for photographic elementsEASTMAN KODAK CO·Filed 1989·Granted May 8, 1990·30 cites·18 claims
- 0490US5298368APhotographic coupler compositions and methods for reducing continued couplingEASTMAN KODAK CO·Filed 1991·Granted Mar 29, 1994·21 cites·16 claims
- 0589US5250405AColor photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methodsEASTMAN KODAK CO·Filed 1991·Granted Oct 5, 1993·15 cites·18 claims
- 0687US7459263B2Optical recording media with triplet-sensitized isomerizationEASTMAN KODAK CO·Filed 2004·Granted Dec 2, 2008·26 cites·61 claims
- 0787US5376519APhotographic material containing a coupler composition comprising magenta coupler, phenolic solvent, and at least one aniline or amineEASTMAN KODAK CO·Filed 1992·Granted Dec 27, 1994·15 cites·39 claims
- 0887US5350667APhotographic elements containing magenta couplers and process for using sameEASTMAN KODAK CO·Filed 1993·Granted Sep 27, 1994·16 cites·14 claims
- 0986US7695783B2Image-recording element with fluorosurfactant and colloidal particlesEASTMAN KODAK CO·Filed 2003·Granted Apr 13, 2010·19 cites·14 claims
- 1083US5200309AColor photographic materials including magenta coupler, carbonamide compound and aniline or amine compound, and methodsEASTMAN KODAK CO·Filed 1991·Granted Apr 6, 1993·12 cites·29 claims
- 1183US4861700APhotographic element containing yellow filter dyes having tricyanovinyl groupsEASTMAN KODAK CO·Filed 1987·Granted Aug 29, 1989·15 cites·7 claims
- 1282US4797357ALight-stable reducible compounds and analytical compositions, elements and methods utilizing sameEASTMAN KODAK CO·Filed 1986·Granted Jan 10, 1989·47 cites·18 claims
- 1381US6790569B2Color photothermographic elements comprising phenolic thermal solventsEASTMAN KODAK CO·Filed 2001·Granted Sep 14, 2004·6 cites·31 claims
- 1480US5447830A3-anilino pyrazolone magenta couplers and processEASTMAN KODAK CO·Filed 1993·Granted Sep 5, 1995·10 cites·14 claims
- 1580US5047350AMaterial and method for oxygen sensingEASTMAN KODAK CO·Filed 1989·Granted Sep 10, 1991·44 cites·11 claims
- 1680US5008180APhotographic recording material containing a cyan dye-forming couplerEASTMAN KODAK CO·Filed 1990·Granted Apr 16, 1991·19 cites·9 claims
- 1779US5958662APhotographic element containing a DIR couplerEASTMAN KODAK CO·Filed 1997·Granted Sep 28, 1999·9 cites·18 claims
- 1879US5188926APhotographic elements having carbonamide coupler solvents and addenda to reduce sensitizing dye stainEASTMAN KODAK CO·Filed 1991·Granted Feb 23, 1993·11 cites·25 claims
- 1977US5821043A1,2,4-triazole-releasing pyrazolone DIR couplersEASTMAN KODAK CO·Filed 1996·Granted Oct 13, 1998·8 cites·19 claims
- 2077US4088496AHeat developable photographic materials and processEASTMAN KODAK CO·Filed 1976·Granted May 9, 1978·27 cites·28 claims
- 2176US5942381APhotographic element and process employing active, stable benzotriazole-releasing DIR couplersEASTMAN KODAK CO·Filed 1997·Granted Aug 24, 1999·8 cites·16 claims
- 2275US5256528AMagenta image-dye couplers of improved hueEASTMAN KODAK CO·Filed 1992·Granted Oct 26, 1993·9 cites·17 claims
- 2370US6680165B1Cyan coupler dispersion with increased activityEASTMAN KODAK CO·Filed 2002·Granted Jan 20, 2004·3 cites·30 claims
- 2469US5192646APhotographic elements having sulfoxide coupler solvents and addenda to reduce sensitizing dye stainEASTMAN KODAK CO·Filed 1991·Granted Mar 9, 1993·7 cites·31 claims
- 2569US4923791APhotographic recording material containing a cyan dye-forming couplerEASTMAN KODAK CO·Filed 1989·Granted May 8, 1990·10 cites·11 claims
- 2668US4935321APhotographic recording material comprising a dye image-forming compoundEASTMAN KODAK CO·Filed 1989·Granted Jun 19, 1990·9 cites·14 claims
- 2766US5455150AColor photographic negative elements with enhanced printer compatibilityEASTMAN KODAK CO·Filed 1993·Granted Oct 3, 1995·6 cites·25 claims
- 2864US5723263AColor negative element having improved blue record printer compatibilityEASTMAN KODAK CO·Filed 1996·Granted Mar 3, 1998·5 cites·8 claims
- 2964US4012260AActivator-stabilizers in heat developable photographic materials and processesEASTMAN KODAK CO·Filed 1975·Granted Mar 15, 1977·9 cites·14 claims
- 3063US6107017APhotographic elements containing high-boiling diester solventsEASTMAN KODAK CO·Filed 1998·Granted Aug 22, 2000·4 cites·23 claims
- 3163US5605787A3-anilino pyrazolone magenta couplers and processEASTMAN KODAK CO·Filed 1995·Granted Feb 25, 1997·4 cites·24 claims
- 3259US6779885B2Ink jet printing methodEASTMAN KODAK CO·Filed 2001·Granted Aug 24, 2004·2 cites·20 claims
- 3359US6699538B2Ink jet recording elementEASTMAN KODAK CO·Filed 2001·Granted Mar 2, 2004·2 cites·17 claims
- 3459US6677004B2Ink jet recording elementEASTMAN KODAK CO·Filed 2001·Granted Jan 13, 2004·2 cites·20 claims
- 3559US6605325B2Ink jet recording elementEASTMAN KODAK CO·Filed 2001·Granted Aug 12, 2003·2 cites·18 claims
- 3659US4973535APhotographic recording material comprising a dye image-forming coupler compoundEASTMAN KODAK CO·Filed 1988·Granted Nov 27, 1990·7 cites·19 claims
- 3757US6612692B2Ink jet printing methodEASTMAN KODAK CO·Filed 2001·Granted Sep 2, 2003·6 cites·20 claims
- 3857US5789146ABlends of couplers with homologous ballastsEASTMAN KODAK CO·Filed 1996·Granted Aug 4, 1998·3 cites·23 claims
- 3956US6629759B2Ink jet printing methodEASTMAN KODAK CO·Filed 2001·Granted Oct 7, 2003·1 cites·19 claims
- 4056US6578960B1Ink jet printing methodEASTMAN KODAK CO·Filed 2001·Granted Jun 17, 2003·1 cites·20 claims
- 4156US5994038APhotographic element containing acetamido DIR couplerEASTMAN KODAK CO·Filed 1998·Granted Nov 30, 1999·3 cites·17 claims
- 4255US5965341APhotographic element containing particular coupler combinationEASTMAN KODAK CO·Filed 1997·Granted Oct 12, 1999·3 cites·20 claims
- 4352US6087082APhotographic element containing an acylacetanilide DIR couplerEASTMAN KODAK CO·Filed 1998·Granted Jul 11, 2000·2 cites·14 claims
- 4452US5989798ACombinations of purine-releasing pyrazolone DIR couplers and pyrazolone or pyrazolotriazole imaging couplersEASTMAN KODAK CO·Filed 1997·Granted Nov 23, 1999·2 cites·34 claims
- 4551US5441856APhotographic elements containing indoaniline dummy dyesEASTMAN KODAK CO·Filed 1993·Granted Aug 15, 1995·3 cites·20 claims
- 4650US5998106APhotographic element containing cylacetamido yellow dye-forming couplersEASTMAN KODAK CO·Filed 1998·Granted Dec 7, 1999·2 cites·15 claims
- 4750US4082555APhotothermographic materials and processEASTMAN KODAK CO·Filed 1976·Granted Apr 4, 1978·4 cites·24 claims
- 4849US5719014AColor negative films containing yellow methine dyes for filtration and density correctionEASTMAN KODAK CO·Filed 1996·Granted Feb 17, 1998·2 cites·22 claims
- 4949US5441851AUse of heterocyclic nitrogen addenda to reduce continued coupling of magenta dye-forming couplersEASTMAN KODAK CO·Filed 1991·Granted Aug 15, 1995·3 cites·26 claims
- 5048US6815019B2Ink jet recording elementEASTMAN KODAK CO·Filed 2001·Granted Nov 9, 2004·2 cites·13 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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