Inventor · disambiguated record
Derek D. Chapman
Also filed as: CHAPMAN DEREK · CHAPMAN DEREK D · CHAPMAN DEREK DAVID
106 granted patents·3 pending applications·1,593 citations·filing 1974–2021
99Inventor score
Top patents by PatentIndex Score
109 records- 0197US4952552AInfrared absorbing quinoid dyes for dye-donor element used in laser-induced thermal dye transferEASTMAN KODAK CO·Filed 1990·Granted Aug 28, 1990·109 cites·18 claims
- 0297US4757046AMerocyanine dye-donor element used in thermal dye transferEASTMAN KODAK CO·Filed 1987·Granted Jul 12, 1988·77 cites·20 claims
- 0396US5036040AInfrared absorbing nickel-dithiolene dye complexes for dye-donor element used in laser-induced thermal dye transferEASTMAN KODAK CO·Filed 1990·Granted Jul 30, 1991·104 cites·15 claims
- 0496US4912083AInfrared absorbing ferrous complexes for dye-donor element used in laser-induced thermal dye transferEASTMAN KODAK CO·Filed 1989·Granted Mar 27, 1990·89 cites·18 claims
- 0594US4204870APhotographic products and processes employing novel nondiffusible heterocyclyazonaphthol dye-releasing compoundsEASTMAN KODAK CO·Filed 1979·Granted May 27, 1980·36 cites·4 claims
- 0693US5023229AMixture of dyes for magenta dye donor for thermal color proofingEASTMAN KODAK CO·Filed 1990·Granted Jun 11, 1991·72 cites·12 claims
- 0793US4734349AToners and yellow dye compounds used thereinEASTMAN KODAK CO·Filed 1986·Granted Mar 29, 1988·40 cites·10 claims
- 0893US4207104APhotographic products and processes employing novel nondiffusible heterocyclylazonaphthol dye-releasing compoundsEASTMAN KODAK CO·Filed 1979·Granted Jun 10, 1980·29 cites·36 claims
- 0989US5144015ASynthesis of pyrazole dyesEASTMAN KODAK CO·Filed 1991·Granted Sep 1, 1992·31 cites·6 claims
- 1087US5053381ADual laminate process for thermal color proofingEASTMAN KODAK CO·Filed 1990·Granted Oct 1, 1991·41 cites·17 claims
- 1187US5024990AMixture of dyes for cyan dye donor for thermal color proofingEASTMAN KODAK CO·Filed 1990·Granted Jun 18, 1991·75 cites·20 claims
- 1287US4273706ANondiffusible heterocyclylazonaphthol dye-releasing compoundsEASTMAN KODAK CO·Filed 1979·Granted Jun 16, 1981·21 cites·15 claims
- 1387US4148642APhotographic products and processes employing nondiffusible 1-arylazo-4-isoquinolinol dye-releasing compoundsEASTMAN KODAK CO·Filed 1978·Granted Apr 10, 1979·14 cites·35 claims
- 1484US4753922ANeutral-black dye-donor element for thermal dye transferEASTMAN KODAK CO·Filed 1987·Granted Jun 28, 1988·48 cites·20 claims
- 1581US5401618AInfrared-absorbing cyanine dyes for laser ablative imagingEASTMAN KODAK CO·Filed 1994·Granted Mar 28, 1995·50 cites·10 claims
- 1681US4892584AWater soluble infrared absorbing dyes and ink-jet inks containing themEASTMAN KODAK CO·Filed 1988·Granted Jan 9, 1990·31 cites·10 claims
- 1781US4287292APhotographic products and processes employing novel nondiffusible 6-arylazo-3-pyridinol magenta dye-releasing compounds and precursors thereofEASTMAN KODAK CO·Filed 1980·Granted Sep 1, 1981·18 cites·31 claims
- 1878US5011816AReceiver for thermally-transferable fluorescent europium complexesEASTMAN KODAK CO·Filed 1990·Granted Apr 30, 1991·22 cites·12 claims
- 1978US4195994APhotographic products and processes employing nondiffusible 6-arylazo-2-amino-3-pyridinol dye-releasing compounds and precursors thereofEASTMAN KODAK CO·Filed 1979·Granted Apr 1, 1980·12 cites·34 claims
- 2077US5081101AYellow dye mixture for thermal color proofingEASTMAN KODAK CO·Filed 1991·Granted Jan 14, 1992·23 cites·20 claims
- 2176US5426015AMetallized azo dianion with two cationic dye counter ions for optical information recording mediumEASTMAN KODAK CO·Filed 1993·Granted Jun 20, 1995·25 cites·7 claims
- 2276US4148643APhotographic products and processes employing nondiffusible azo dye-releasing compoundsEASTMAN KODAK CO·Filed 1978·Granted Apr 10, 1979·12 cites·35 claims
- 2374US5773193AOptical recording layers containing no k metallized formazan dyes mixed with symmetrical and unsymmetrical cyanine dyesEASTMAN KODAK CO·Filed 1996·Granted Jun 30, 1998·14 cites·14 claims
- 2472US5500325ADye mixtures for optical recording layersEASTMAN KODAK CO·Filed 1995·Granted Mar 19, 1996·23 cites·9 claims
- 2572US4876237AThermally-transferable fluorescent 7-aminocoumarinsEASTMAN KODAK CO·Filed 1988·Granted Oct 24, 1989·24 cites·15 claims
- 2671US5219823AStabilizers for cyanine IR dyes in donor element for laser-induced thermal dye transferEASTMAN KODAK CO·Filed 1992·Granted Jun 15, 1993·15 cites·18 claims
- 2769US5041411AYellow dye mixture for thermal color proofingEASTMAN KODAK CO·Filed 1990·Granted Aug 20, 1991·15 cites·20 claims
- 2869US5006503AThermally-transferable fluorescent europium complexesEASTMAN KODAK CO·Filed 1990·Granted Apr 9, 1991·29 cites·17 claims
- 2968US4877724AMethod and composition for hardening gelatinEASTMAN KODAK CO·Filed 1988·Granted Oct 31, 1989·10 cites·29 claims
- 3068US4204993ANondiffusible 6-arylazo-2-amino-3-pyridinol dye-releasing compoundsEASTMAN KODAK CO·Filed 1979·Granted May 27, 1980·6 cites·14 claims
- 3167US6013430AThermal recording elementEASTMAN KODAK CO·Filed 1998·Granted Jan 11, 2000·5 cites·8 claims
- 3267US5972838AInfrared-absorbing cyanine colorants for laser-colorant transferEASTMAN KODAK CO·Filed 1998·Granted Oct 26, 1999·33 cites·20 claims
- 3367US5866509AMagenta dye mixture for thermal color proofingEASTMAN KODAK CO·Filed 1997·Granted Feb 2, 1999·19 cites·20 claims
- 3467US4885272AThiadiazolyl-azo-pyrazole yellow dye-donor element for thermal dye transferEASTMAN KODAK CO·Filed 1989·Granted Dec 5, 1989·25 cites·18 claims
- 3567US4871714AThermally-transferable fluorescent diphenyl ethylenesEASTMAN KODAK CO·Filed 1988·Granted Oct 3, 1989·21 cites·16 claims
- 3667US4183755APhotographic products and processes employing metal complexable nondiffusible azo dye-releasing compoundsEASTMAN KODAK CO·Filed 1978·Granted Jan 15, 1980·8 cites·2 claims
- 3766US6043193AThermal recording elementEASTMAN KODAK CO·Filed 1998·Granted Mar 28, 2000·23 cites·14 claims
- 3866US5177052AMixture of dyes for cyan dye donor for thermal color proofingEASTMAN KODAK CO·Filed 1991·Granted Jan 5, 1993·14 cites·20 claims
- 3965US5079213AMagenta pyrazolylazoaniline dye-donor element for thermal dye transferEASTMAN KODAK CO·Filed 1991·Granted Jan 7, 1992·12 cites·20 claims
- 4062US6124239AOrange dye mixture for thermal color proofingEASTMAN KODAK CO·Filed 1999·Granted Sep 26, 2000·15 cites·18 claims
- 4162US4030932ASilver halide sensitized with dyes containing an isoindole nucleusEASTMAN KODAK CO·Filed 1975·Granted Jun 21, 1977·5 cites·14 claims
- 4261US4753923AThermally-transferred near-infrared absorbing dyesEASTMAN KODAK CO·Filed 1987·Granted Jun 28, 1988·20 cites·13 claims
- 4359US5786123AOptical recording elements comprising a polymeric dyeEASTMAN KODAK CO·Filed 1996·Granted Jul 28, 1998·12 cites·36 claims
- 4459US5236822AMethod and composition for hardening gelatinEASTMAN KODAK CO·Filed 1991·Granted Aug 17, 1993·5 cites·4 claims
- 4558US5043317AYellow dye mixture for thermal color proofingEASTMAN KODAK CO·Filed 1990·Granted Aug 27, 1991·9 cites·20 claims
- 4657US6187502B1Stabilizer for infrared-absorbing cyanine colorant for laser-colorant transferEASTMAN KODAK CO·Filed 2000·Granted Feb 13, 2001·14 cites·20 claims
- 4757US5272047AOptical information recording medium using azo dyesEASTMAN KODAK CO·Filed 1992·Granted Dec 21, 1993·17 cites·21 claims
- 4855US6869909B2Yellow images with improved light stability and yellow dyes useful thereinEASTMAN KODAK CO·Filed 2002·Granted Mar 22, 2005·2 cites·27 claims
- 4955US5126311AMixture of dyes for black dye donor for thermal color proofingEASTMAN KODAK CO·Filed 1991·Granted Jun 30, 1992·8 cites·17 claims
- 5054US5041412AYellow dye mixture for thermal color proofingEASTMAN KODAK CO·Filed 1990·Granted Aug 20, 1991·7 cites·20 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
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