Inventor · disambiguated record
Stephen Martin Brown
Also filed as: BROWN STEPHEN · BROWN STEPHEN M · BROWN STEPHEN MARTIN
34 granted patents·135 citations·filing 1993–2004
96Inventor score
Files withZENECA LTD23SYNGENTA LTD8NPIL PHARMACEUTICALS UK LTD1PHARMACHEMIE BV1ZENECA LIMITED IMPERIAL CHEMIC1
Top patents by PatentIndex Score
34 records- 0182US7250526B2Transfer hydrogenation process and catalystNPIL PHARMACEUTICALS UK LTD·Filed 2001·Granted Jul 31, 2007·30 cites·48 claims
- 0279US6218579B1Process for the preparation of acylated cyclic 1,3-dicarbonyl compoundsZENECA LTD·Filed 1998·Granted Apr 17, 2001·28 cites·9 claims
- 0370US6225463B1Synthesis of new β-lactamsPHARMACHEMIE BV·Filed 1998·Granted May 1, 2001·17 cites·9 claims
- 0468US6894195B2Preparation of 4-methyl-2,3,5,6-tetrafluorobenzyl alcoholSYNGENTA LTD·Filed 2001·Granted May 17, 2005·4 cites·7 claims
- 0565US6156904AProcessZENECA LTD·Filed 1999·Granted Dec 5, 2000·8 cites·2 claims
- 0659US6639079B1Chemical processSYNGENTA LTD·Filed 2000·Granted Oct 28, 2003·1 cites·4 claims
- 0758US6875885B2Process for the preparation of enantiomerically pure pyrethroid insecticidesSYNGENTA LTD·Filed 2001·Granted Apr 5, 2005·2 cites·13 claims
- 0857US5886231AProcess for the production of 2-(substituted benzoyl) 1,3 cyclohexanedionesZENECA LTD·Filed 1996·Granted Mar 23, 1999·8 cites·10 claims
- 0954US5750694AProcess for the preparation of 4,6-dichloropyrimidineZENECA LTD·Filed 1995·Granted May 12, 1998·5 cites·8 claims
- 1054US5663370AChemical intermediates useful in agricultureZENECA LTD·Filed 1995·Granted Sep 2, 1997·5 cites·10 claims
- 1149US6025497AProcesses for the production of 5-chloro-2-(4,4-difluorobut-3-enylsulphonyl)thiazoleZENECA LTD·Filed 1998·Granted Feb 15, 2000·3 cites·13 claims
- 1248US5912388APreparation of aldehydes or ketones from alcoholsZENECA LTD·Filed 1996·Granted Jun 15, 1999·5 cites·11 claims
- 1347US7468453B2Production process of gamma-cyhalothrinSYNGENTA LTD·Filed 2003·Granted Dec 23, 2008·0 cites·4 claims
- 1447US5852222AProcessZENECA LTD·Filed 1996·Granted Dec 22, 1998·3 cites·10 claims
- 1542US7507852B2Process for preparing gamma-cyhalothrinSYNGENTA LTD·Filed 2004·Granted Mar 24, 2009·0 cites·7 claims
- 1642US6028219AProcess for the nitration of diphenylethersZENECA LTD·Filed 1997·Granted Feb 22, 2000·3 cites·12 claims
- 1740US6054613AProcess for the production of sulphonamidesZENECA LTD·Filed 1997·Granted Apr 25, 2000·2 cites·8 claims
- 1839US5783729AChemical process for the production of sulfonyl benzoic acidsZENECA LTD·Filed 1996·Granted Jul 21, 1998·2 cites·29 claims
- 1939US5637738AProcesses for preparing 1,2-epoxy-1,2,3,4-tetrahydronaphthalenesZENECA LTD·Filed 1994·Granted Jun 10, 1997·2 cites·2 claims
- 2037US6790991B2Process for the preparation of diphenyl ether compoundsSYNGENTA LTD·Filed 2000·Granted Sep 14, 2004·0 cites·5 claims
- 2137US6342630B1Chemical processZENECA LTD·Filed 1996·Granted Jan 29, 2002·2 cites·18 claims
- 2235US5728889AProcess for the production of 2-(substituted benzoyl)-1,3 cyclohexanedionesZENECA LTD·Filed 1996·Granted Mar 17, 1998·2 cites·9 claims
- 2333US5973159AChemical processZENECA LTD·Filed 1998·Granted Oct 26, 1999·1 cites·6 claims
- 2432US6316624B1Process for the preparation of substituted 8-azabicyclo[3,2,1]octanesSYNGENTA LTD·Filed 1998·Granted Nov 13, 2001·0 cites·5 claims
- 2532US6075172AChlorofluorohydrocarbon and process theretoZENECA LTD·Filed 1998·Granted Jun 13, 2000·0 cites·10 claims
- 2631US5952525AManufacture of glyphosate saltsZENECA LTD·Filed 1996·Granted Sep 14, 1999·0 cites·10 claims
- 2731US5907070APreparation of halogenated alcoholsZENECA LTD·Filed 1995·Granted May 25, 1999·0 cites·9 claims
- 2831US5723649APreparation of cyclopropane estersZENECA LTD·Filed 1995·Granted Mar 3, 1998·0 cites·4 claims
- 2929US6323343B1Process for the preparation of 8-azabicyclo(3.2.1)octane derivativesSYNGENTA LTD·Filed 1998·Granted Nov 27, 2001·0 cites·7 claims
- 3028US5705691AChemical processZENECA LTD·Filed 1996·Granted Jan 6, 1998·0 cites·9 claims
- 3127US6072080APurification processZENECA LTD·Filed 1998·Granted Jun 6, 2000·0 cites·31 claims
- 3227US5910604APurification processZENECA LTD·Filed 1997·Granted Jun 8, 1999·0 cites·19 claims
- 3325US5952531ANitration processZENECA LTD·Filed 1997·Granted Sep 14, 1999·0 cites·16 claims
- 3421US5414164AChlorination processZENECA LIMITED IMPERIAL CHEMIC·Filed 1993·Granted May 9, 1995·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →