Inventor
DUMAS DONALD J
US23 patents
⚠️ This page may combine multiple inventors who share the name “DUMAS DONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
18 patentsUS4985180AJan 15, 1991
Process for preparing phenyl esters of substituted acids
DU PONT11 citations73
US4661147AApr 28, 1987
Herbicidal sulfonamides
DU PONT10 citations73
US4425155AJan 10, 1984
Herbicidal sulfonamide N-oxides
DU PONT7 citations73
US5235077AAug 10, 1993
Process for preparing phenyl esters of substituted acids
DU PONT8 citations72
US5069828ADec 3, 1991
Process for preparing benzenesulfonate salts
DU PONT17 citations72
US8049029B2Nov 1, 2011
Process for preparing 2-amino-5-cyanobenzoic acid derivatives
DU PONT2 citations62
USH1950HMar 6, 2001
Processes for preparing indeno[1,2-E][1,3,4]oxadiazine-dicarboxylates
DU PONT2 citations62
US4662932AMay 5, 1987
Herbicidal sulfonamides
DU PONT3 citations62
US5153341AOct 6, 1992
Process for preparing benzenesulfonate salts
DU PONT6 citations61
US4892575AJan 9, 1990
Herbicidal sulfonamides
DU PONT2 citations57
US4744816AMay 17, 1988
Herbicidal sulfonamides
DU PONT2 citations57
US4897108AJan 30, 1990
Herbicidal sulfonamides
DU PONT1 citations51
US4802906AFeb 7, 1989
Herbicidal ortho-sulfonamide benzenesulfonylureas
DU PONT1 citations51
US4718938AJan 12, 1988
Herbicidal sulfonamides
DU PONT1 citations51
US4878937ANov 7, 1989
Herbicidal sulfonamides
DU PONT1 citations50
US9828328B2Nov 28, 2017
Process to prepare 3-methyl-2-nitrobenzoic acid by air oxidation
DU PONT1 citations45
US4956005ASep 11, 1990
Herbicidal orthosulfonamide benzene sulfonylureas
DU PONT0 citations41
US4769060ASep 6, 1988
Herbicidal sulfonamides
DU PONT0 citations41