Inventor · disambiguated record
Stephen A. Madison
Also filed as: MADISON STEPHEN · MADISON STEPHEN A · MADISON STEPHEN ALAN
51 granted patents·10 pending applications·2,054 citations·filing 1986–2023
99Inventor score
Files withLEVER BROTHERS CO28LEVER BROTHERS LTD7CONOPCO INC6CONOPCO INC DBA UNILEVER6UNILEVER HOME & PERSONAL CARE5
Top patents by PatentIndex Score
61 records- 0199US5360569AActivation of bleach precursors with catalytic imine quaternary saltsLEVER BROTHERS CO·Filed 1993·Granted Nov 1, 1994·246 cites·13 claims
- 0298US5370826AQuaternay oxaziridinium salts as bleaching compoundsLEVER BROTHERS CO·Filed 1993·Granted Dec 6, 1994·139 cites·22 claims
- 0397US5268003AStable amido peroxycarboxylic acids for bleachingLEVER BROTHERS CO·Filed 1992·Granted Dec 7, 1993·97 cites·17 claims
- 0497US4751015AQuaternary ammonium or phosphonium substituted peroxy carbonic acid precursors and their use in detergent bleach compositionsLEVER BROTHERS LTD·Filed 1987·Granted Jun 14, 1988·199 cites·35 claims
- 0596US5482515AImine quaternary salts as bleach catalystsLEVER BROTHERS CO·Filed 1994·Granted Jan 9, 1996·110 cites·10 claims
- 0696US5442066AQuaternary oxaziridinium salts as bleaching compoundsLEVER BROTHERS CO·Filed 1994·Granted Aug 15, 1995·101 cites·9 claims
- 0795US5550256AImine quaternary salts as bleach catalystsLEVER BROTHERS CO·Filed 1995·Granted Aug 27, 1996·104 cites·1 claims
- 0895US5360568AImine quaternary salts as bleach catalystsLEVER BROTHERS CO·Filed 1993·Granted Nov 1, 1994·154 cites·13 claims
- 0995US5041232ASulfonimines as bleach catalystsLEVER BROTHERS CO·Filed 1990·Granted Aug 20, 1991·110 cites·33 claims
- 1094US4818426AQuaternary ammonium or phosphonium substituted peroxy carbonic acid precursors and their use in detergent bleach compositionsLEVER BROTHERS LTD·Filed 1988·Granted Apr 4, 1989·98 cites·41 claims
- 1194US4788316APreparation of sulphonated aromatic estersLEVER BROTHERS LTD·Filed 1986·Granted Nov 29, 1988·42 cites·13 claims
- 1292US5478357AActivation of bleach precursors with imine quaternary saltsLEVER BROTHERS CO·Filed 1994·Granted Dec 26, 1995·112 cites·11 claims
- 1391US7723453B2Hydrophobically modified cationic polymersCONOPCO INC·Filed 2006·Granted May 25, 2010·8 cites·5 claims
- 1491US5045223AN-sulfonyloxaziridines as bleaching compoundsLEVER BROTHERS CO·Filed 1990·Granted Sep 3, 1991·70 cites·29 claims
- 1590US7671007B2Personal care compositions comprising hydrophobically modified cationic polymersCONOPCO INC·Filed 2006·Granted Mar 2, 2010·8 cites·8 claims
- 1689US11759412B2Personal care compositions with glutathione precursor comprising 4-substituted resorcinols and amino acidsCONOPCO INC·Filed 2023·Granted Sep 19, 2023·1 cites·8 claims
- 1789US5281361ABleaching compositionLEVER BROTHERS CO·Filed 1991·Granted Jan 25, 1994·33 cites·11 claims
- 1889US5047163AActivation of bleach precursors with sulfoniminesLEVER BROTHERS CO·Filed 1990·Granted Sep 10, 1991·110 cites·38 claims
- 1988US8247405B2Skin lightening compositions with acetylcholinesterase inhibitorsMADISON STEPHEN ALAN·Filed 2008·Granted Aug 21, 2012·12 cites·3 claims
- 2086US8257720B2Stabilized cationic ammonium compounds and compositions comprising the sameAU VAN·Filed 2009·Granted Sep 4, 2012·3 cites·3 claims
- 2185US9227090B2Method for lightening skinMADISON STEPHEN ALAN·Filed 2010·Granted Jan 5, 2016·3 cites·22 claims
- 2285US8324255B2Chelator stabilized cationic ammonium compounds and compositions comprising the sameAU VAN·Filed 2009·Granted Dec 4, 2012·2 cites·2 claims
- 2384US11260005B2Personal care compositions with glutathione precursor comprising 4-substituted resorcinols and amino acidsCONOPCO INC·Filed 2017·Granted Mar 1, 2022·2 cites·13 claims
- 2481US5106528ABleach activation and bleaching compositionsLEVER BROTHERS CO·Filed 1990·Granted Apr 21, 1992·47 cites·5 claims
- 2579US6821302B2Permanent coloring of hair using carbonate salts and bicarbonate salts and using percarbamic acid precursorsUNILEVER HOME & PERSONAL CARE·Filed 2002·Granted Nov 23, 2004·9 cites·14 claims
- 2679US6695888B2Transition metal complexes as dye forming catalysts in hair coloring compositionsUNILEVER HOME & PERSONAL CARE·Filed 2001·Granted Feb 24, 2004·8 cites·14 claims
- 2778US8574602B2Stabilized cationic ammonium compounds for topical compositionsAU VAN·Filed 2012·Granted Nov 5, 2013·1 cites·10 claims
- 2878US8575202B2Chelator stabilized cationic ammonium compounds and compositions comprising the sameAU VAN·Filed 2012·Granted Nov 5, 2013·1 cites·19 claims
- 2977US11596586B2Personal care compositions with glutathione precursor comprising 4-substituted resorcinols and amino acidsCONOPCO INC·Filed 2022·Granted Mar 7, 2023·0 cites·11 claims
- 3076US5310925AN-sulfonyloxaziridines as bleaching compoundsLEVER BROTHERS CO·Filed 1991·Granted May 10, 1994·30 cites·3 claims
- 3175US5653910ABleaching compositions containing imine, hydrogen peroxide and a transition metal catalystLEVER BROTHERS CO·Filed 1995·Granted Aug 5, 1997·24 cites·5 claims
- 3275US2009317341A1Compositions for Lightening Skin ColorCONOPCO INC DBA UNILEVER·Filed 2008·Application pending·0 cites
- 3374US8765793B2Compositions with skin benefit compounds and chelator stabilized cationic ammonium compoundsCONOPCO INC·Filed 2013·Granted Jul 1, 2014·0 cites·20 claims
- 3473US2019336424A1Method for lightening skin with ricinoleic acidCONOPCO INC DBA UNILEVER·Filed 2019·Application pending·0 cites
- 3570US2014037562A1Compositions with metal chelator stabilized cationic ammonium compounds and a skin benefit agentCONOPCO INC DBA UNILEVER·Filed 2013·Application pending·0 cites
- 3669US5785886ABleaching compositions containing imine hydrogen peroxide and a transition metal catalystLEVER BROTHERS CO·Filed 1997·Granted Jul 28, 1998·25 cites·5 claims
- 3763US5232633ASulfoethyl carbonate wetting agents and their use in detergent compositionsLEVER BROTHERS LTD·Filed 1992·Granted Aug 3, 1993·9 cites·13 claims
- 3863US2010034763A1Skin Lightening Composition Comprising CO2 ExtractsCONOPCO INC DBA UNILEVER·Filed 2008·Application pending·0 cites
- 3963US2016074295A1Method for lightening skin with ricinoleic acidCONOPCO INC DBA UNILEVER·Filed 2015·Application pending·0 cites
- 4061US5466396AIsethionate esters of alkyl alkoxy carboxylic acidLEVER BROTHERS LTD·Filed 1993·Granted Nov 14, 1995·19 cites·3 claims
- 4160US5476671ASynthetic ceramides and their use in cosmetic compostionsCHESEBROUGH PONDS USA·Filed 1995·Granted Dec 19, 1995·25 cites·9 claims
- 4260US4931563AOleum sulfonation of phenyl quaternary alkyl ammonium and phosphonium carbonate estersLEVER BROTHERS LTD·Filed 1988·Granted Jun 5, 1990·6 cites·14 claims
- 4360US2004098816A1Method and kit for the gradual permanent coloring of hairUNILEVER HOME & PERSONAL CARE·Filed 2003·Application pending·0 cites
- 4457US2004098814A1Method and composition for the gradual permanent coloring of hair which employ carbonatesUNILEVER HOME & PERSONAL CARE·Filed 2002·Application pending·0 cites
- 4555US5326861APreparation of organic macrocyclic compoundsLEVER BROTHERS CO·Filed 1992·Granted Jul 5, 1994·5 cites·1 claims
- 4654US4822510AStably suspended 4,4'-sulfonylbisperoxybenzoic acid bleach in an aqueous liquidLEVER BROTHERS LTD·Filed 1988·Granted Apr 18, 1989·18 cites·1 claims
- 4753US5393902AProcess for the preparation of bis(amidocarboxylic acids)LEVER BROTHERS CO·Filed 1994·Granted Feb 28, 1995·6 cites·12 claims
- 4853US5078907AUnsymmetrical dicarboxylic esters as bleach precursorsLEVER BROTHERS CO·Filed 1989·Granted Jan 7, 1992·4 cites·29 claims
- 4952US5374738ASynthesis of 1,2-benzisothiazole-1,1-dioxidesLEVER BROTHERS CO·Filed 1993·Granted Dec 20, 1994·4 cites·6 claims
- 5049US2004019980A1One step hair coloring compositions using saltsUNILEVER HOME & PERSONAL CARE·Filed 2002·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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