Inventor · disambiguated record
Stanley W. Cowan
Also filed as: COWAN STANLEY W · COWAN STANLEY WRAY
53 granted patents·242 citations·filing 1976–1999
98Inventor score
Files withEASTMAN KODAK CO53
Top patents by PatentIndex Score
53 records- 0196US5962198APhotographic elements containing cyan dye-forming coupler having a particular formulaEASTMAN KODAK CO·Filed 1997·Granted Oct 5, 1999·31 cites·24 claims
- 0296US5686235APhotographic elements containing cyan dye-forming coupler having a sulfone ballast groupEASTMAN KODAK CO·Filed 1996·Granted Nov 11, 1997·31 cites·17 claims
- 0390US5888716APhotographic element containing improved coupler setEASTMAN KODAK CO·Filed 1996·Granted Mar 30, 1999·18 cites·24 claims
- 0489US5677118APhotographic element containing a recrystallizable 5-pyrazolone photographic couplerEASTMAN KODAK CO·Filed 1996·Granted Oct 14, 1997·19 cites·10 claims
- 0585US5674666APhotographic elements containing new cyan dye-forming coupler providing improved color reproductionEASTMAN KODAK CO·Filed 1996·Granted Oct 7, 1997·12 cites·17 claims
- 0679US6048680APhotographic element containing pyrazoloazole coupler and a specific anti-fading combinationEASTMAN KODAK CO·Filed 1998·Granted Apr 11, 2000·9 cites·18 claims
- 0776US6197071B1Formulations for dyeing keratin fibers comprising a pyrazolotriazole coupler and oxidation baseEASTMAN KODAK CO·Filed 1999·Granted Mar 6, 2001·13 cites·14 claims
- 0876US5698386APhotographic dye-forming coupler, emulsion layer, element, and processEASTMAN KODAK CO·Filed 1996·Granted Dec 16, 1997·8 cites·18 claims
- 0975US6071686APhotographic element containing pyrazoloazole coupler and a specific anti-fading combinationEASTMAN KODAK CO·Filed 1998·Granted Jun 6, 2000·7 cites·15 claims
- 1075US5667952APhotographic material and process comprising a bicyclic pyrazolo couplerEASTMAN KODAK CO·Filed 1994·Granted Sep 16, 1997·9 cites·7 claims
- 1174US6143485APyrazolotriazle dye-forming photographic couplerEASTMAN KODAK CO·Filed 1998·Granted Nov 7, 2000·7 cites·10 claims
- 1274US5576150APhotographic dye-forming coupler, emulsion layer, element, and processEASTMAN KODAK CO·Filed 1996·Granted Nov 19, 1996·8 cites·19 claims
- 1369US5609996APhotographic emulsion layer containing pyrazoloazole coupler exhibiting improved dye light fadeEASTMAN KODAK CO·Filed 1996·Granted Mar 11, 1997·6 cites·22 claims
- 1462US5670302APhotographic elements containing new magenta dye-forming couplersEASTMAN KODAK CO·Filed 1996·Granted Sep 23, 1997·4 cites·18 claims
- 1561US6004738APhotographic elements containing cyan dye-forming coupler, coupler solvent and bisphenol derivativeEASTMAN KODAK CO·Filed 1997·Granted Dec 21, 1999·4 cites·22 claims
- 1661US5358829APhotographic material and process comprising a bicyclic pyrazolo couplerEASTMAN KODAK CO·Filed 1992·Granted Oct 25, 1994·5 cites·7 claims
- 1760US4804620APhotographic material containing a novel polymeric dye-forming couplerEASTMAN KODAK CO·Filed 1987·Granted Feb 14, 1989·7 cites·8 claims
- 1857US5726002APhotographic element containing a particular cyan coupler dispersed in a phenolic solventEASTMAN KODAK CO·Filed 1996·Granted Mar 10, 1998·3 cites·13 claims
- 1956US5234805APhotographic material and process comprising a pyrazolotriazole couplerEASTMAN KODAK CO·Filed 1992·Granted Aug 10, 1993·4 cites·12 claims
- 2056US4914005APhotographic element containing a cyan dye forming couplerEASTMAN KODAK CO·Filed 1989·Granted Apr 3, 1990·6 cites·8 claims
- 2152US6136522APhotographic element containing pyrazoloazole coupler and a specific anti-fading combinationEASTMAN KODAK CO·Filed 1998·Granted Oct 24, 2000·2 cites·18 claims
- 2252US5399467APhotographic couplers having a ballast containing a sulfone or sulfoxide groupEASTMAN KODAK CO·Filed 1993·Granted Mar 21, 1995·3 cites·10 claims
- 2351US5834166APhotographic element containing a particular cyan dye-forming couplerEASTMAN KODAK CO·Filed 1996·Granted Nov 10, 1998·2 cites·21 claims
- 2450US5382502AHydroxyquinoline cyan couplers and their process of productionEASTMAN KODAK CO·Filed 1993·Granted Jan 17, 1995·3 cites·12 claims
- 2549US5100772AMagenta dye forming coupler for photographic materialEASTMAN KODAK CO·Filed 1990·Granted Mar 31, 1992·3 cites·7 claims
- 2646US5360710AColor photographic materials containing polymeric couplersEASTMAN KODAK CO·Filed 1992·Granted Nov 1, 1994·2 cites·13 claims
- 2745US5427898AYellow couplers having an arloxy coupling-off group which contains an ortho polarizable functional groupEASTMAN KODAK CO·Filed 1994·Granted Jun 27, 1995·2 cites·18 claims
- 2843US6030760APhotographic element containing specific magenta coupler and anti-fading agentEASTMAN KODAK CO·Filed 1998·Granted Feb 29, 2000·1 cites·19 claims
- 2943US5654132APhotographic materials and process comprising ureido naphtholic cyan couplersEASTMAN KODAK CO·Filed 1996·Granted Aug 5, 1997·1 cites·11 claims
- 3043US5360713AYellow dye-forming couplers and color photographic elements containing these couplersEASTMAN KODAK CO·Filed 1992·Granted Nov 1, 1994·2 cites·15 claims
- 3142US6140031APhotographic element containing a cyclic azole coupler and an anti-fading agent containing a combination of functionalitiesEASTMAN KODAK CO·Filed 1998·Granted Oct 31, 2000·1 cites·20 claims
- 3242US5998122APhotographic element containing pyrazoloazole magenta coupler and a specific anti-fading agentEASTMAN KODAK CO·Filed 1998·Granted Dec 7, 1999·1 cites·17 claims
- 3342US5378587APhotographic material and process comprising a bicyclic pyrazolo couplerEASTMAN KODAK CO·Filed 1992·Granted Jan 3, 1995·2 cites·8 claims
- 3441US5851748APhotographic materials and process comprising a particular acylacetanilide yellow dye-forming couplerEASTMAN KODAK CO·Filed 1996·Granted Dec 22, 1998·1 cites·18 claims
- 3540US5976777APhotographic element containing magenta coupler with particular substituentEASTMAN KODAK CO·Filed 1998·Granted Nov 2, 1999·1 cites·16 claims
- 3638US6040126APhotographic yellow dye-forming couplersEASTMAN KODAK CO·Filed 1998·Granted Mar 21, 2000·1 cites·11 claims
- 3738US5614357APhotographic element containing a particular cyan coupler bearing a sulfonyl containing ballastEASTMAN KODAK CO·Filed 1996·Granted Mar 25, 1997·1 cites·15 claims
- 3838US5250400APhotographic material and process comprising a pyrazolotriazole couplerEASTMAN KODAK CO·Filed 1992·Granted Oct 5, 1993·1 cites·14 claims
- 3936US6071684APhotographic element containing specific magenta couplerEASTMAN KODAK CO·Filed 1998·Granted Jun 6, 2000·0 cites·15 claims
- 4034US5965342APhotographic elements containing specified cyan dye-forming couplers for improved heat and light stabilityEASTMAN KODAK CO·Filed 1997·Granted Oct 12, 1999·0 cites·9 claims
- 4133US6140033APhotographic elementEASTMAN KODAK CO·Filed 1998·Granted Oct 31, 2000·0 cites·9 claims
- 4233US5457020APhotographic material and process comprising a bicyclic pyrazolo couplerEASTMAN KODAK CO·Filed 1992·Granted Oct 10, 1995·0 cites·10 claims
- 4333US5455147AMethods of forming polymeric couplersEASTMAN KODAK CO·Filed 1994·Granted Oct 3, 1995·1 cites·14 claims
- 4433US5340708APhotographic elements containing new dye-forming tris couplersEASTMAN KODAK CO·Filed 1993·Granted Aug 23, 1994·0 cites·7 claims
- 4532US5681689APhotographic material containing acrylate or acrylamide based yellow dye-forming couplersEASTMAN KODAK CO·Filed 1996·Granted Oct 28, 1997·0 cites·21 claims
- 4632US5358838APhotographic elements containing new yellow-dye-forming tris couplersEASTMAN KODAK CO·Filed 1993·Granted Oct 25, 1994·0 cites·6 claims
- 4732US5358835APhotographic elements containing new yellow-dye-forming tris couplersEASTMAN KODAK CO·Filed 1993·Granted Oct 25, 1994·0 cites·6 claims
- 4832US5237030APolymeric couplers prepared in the presence of a coupler solventEASTMAN KODAK CO·Filed 1990·Granted Aug 17, 1993·0 cites·1 claims
- 4931US5358836APhotographic elements containing new magenta-dye-forming tris couplersEASTMAN KODAK CO·Filed 1993·Granted Oct 25, 1994·0 cites·8 claims
- 5031US4992359APolymeric couplersEASTMAN KODAK CO·Filed 1990·Granted Feb 12, 1991·0 cites·6 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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