Inventor
BROWN STEPHEN MARTIN
GB30 patents
⚠️ This page may combine multiple inventors who share the name “BROWN STEPHEN MARTIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZENECA LTD
21 patentsUS6218579B1Apr 17, 2001
Process for the preparation of acylated cyclic 1,3-dicarbonyl compounds
ZENECA LTD28 citations84
US6156904ADec 5, 2000
Process
ZENECA LTD8 citations73
US5886231AMar 23, 1999
Process for the production of 2-(substituted benzoyl) 1,3 cyclohexanediones
ZENECA LTD8 citations68
US6025497AFeb 15, 2000
Processes for the production of 5-chloro-2-(4,4-difluorobut-3-enylsulphonyl)thiazole
ZENECA LTD3 citations62
US5750694AMay 12, 1998
Process for the preparation of 4,6-dichloropyrimidine
ZENECA LTD5 citations62
US5663370ASep 2, 1997
Chemical intermediates useful in agriculture
ZENECA LTD5 citations62
US5852222ADec 22, 1998
Process
ZENECA LTD3 citations61
US6054613AApr 25, 2000
Process for the production of sulphonamides
ZENECA LTD2 citations60
US6342630B1Jan 29, 2002
Chemical process
ZENECA LTD2 citations59
US5783729AJul 21, 1998
Chemical process for the production of sulfonyl benzoic acids
ZENECA LTD2 citations59
US6028219AFeb 22, 2000
Process for the nitration of diphenylethers
ZENECA LTD3 citations57
US5728889AMar 17, 1998
Process for the production of 2-(substituted benzoyl)-1,3 cyclohexanediones
ZENECA LTD2 citations57
US5912388AJun 15, 1999
Preparation of aldehydes or ketones from alcohols
ZENECA LTD5 citations55
US6075172AJun 13, 2000
Chlorofluorohydrocarbon and process thereto
ZENECA LTD0 citations51
US5952525ASep 14, 1999
Manufacture of glyphosate salts
ZENECA LTD0 citations51
US5907070AMay 25, 1999
Preparation of halogenated alcohols
ZENECA LTD0 citations51
US5723649AMar 3, 1998
Preparation of cyclopropane esters
ZENECA LTD0 citations51
US5973159AOct 26, 1999
Chemical process
ZENECA LTD1 citations45
US5952531ASep 14, 1999
Nitration process
ZENECA LTD0 citations44
US5910604AJun 8, 1999
Purification process
ZENECA LTD0 citations38
US6072080AJun 6, 2000
Purification process
ZENECA LTD0 citations36
SYNGENTA LTD
8 patentsUS6894195B2May 17, 2005
Preparation of 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol
SYNGENTA LTD4 citations62
US6875885B2Apr 5, 2005
Process for the preparation of enantiomerically pure pyrethroid insecticides
SYNGENTA LTD2 citations61
US6639079B1Oct 28, 2003
Chemical process
SYNGENTA LTD1 citations51
US6316624B1Nov 13, 2001
Process for the preparation of substituted 8-azabicyclo[3,2,1]octanes
SYNGENTA LTD0 citations51
US7507852B2Mar 24, 2009
Process for preparing gamma-cyhalothrin
SYNGENTA LTD0 citations50
US7468453B2Dec 23, 2008
Production process of gamma-cyhalothrin
SYNGENTA LTD0 citations50
US6790991B2Sep 14, 2004
Process for the preparation of diphenyl ether compounds
SYNGENTA LTD0 citations50
US6323343B1Nov 27, 2001
Process for the preparation of 8-azabicyclo(3.2.1)octane derivatives
SYNGENTA LTD0 citations48