Inventor · disambiguated record
Donald J. Dumas
Also filed as: DUMAS DONALD J · DUMAS DONALD JOSEPH
26 granted patents·119 citations·filing 1982–2019
95Inventor score
Top patents by PatentIndex Score
26 records- 0186US8242279B2Process for preparing 2-amino-5-cyanobenzoic acid derivativesDUMAS DONALD J·Filed 2009·Granted Aug 14, 2012·6 cites·14 claims
- 0282US8247570B2Process for preparing 2-amino-5-cyanobenzoic acid derivativesDUMAS DONALD J·Filed 2008·Granted Aug 21, 2012·5 cites·16 claims
- 0381US5990315AProcess for the preparation of sulfentrazoneDU PONT·Filed 1999·Granted Nov 23, 1999·26 cites·16 claims
- 0481US5069828AProcess for preparing benzenesulfonate saltsDU PONT·Filed 1989·Granted Dec 3, 1991·17 cites·9 claims
- 0575US8049029B2Process for preparing 2-amino-5-cyanobenzoic acid derivativesDU PONT·Filed 2007·Granted Nov 1, 2011·2 cites·3 claims
- 0672US4985180AProcess for preparing phenyl esters of substituted acidsDU PONT·Filed 1989·Granted Jan 15, 1991·11 cites·11 claims
- 0771US9828328B2Process to prepare 3-methyl-2-nitrobenzoic acid by air oxidationDU PONT·Filed 2015·Granted Nov 28, 2017·1 cites·16 claims
- 0871US4661147AHerbicidal sulfonamidesDU PONT·Filed 1985·Granted Apr 28, 1987·10 cites·30 claims
- 0969US4425155AHerbicidal sulfonamide N-oxidesDU PONT·Filed 1982·Granted Jan 10, 1984·7 cites·30 claims
- 1064US10155718B2Process to prepare 3-methyl-2-nitrobenzoic acid by air oxidationFMC CORP·Filed 2017·Granted Dec 18, 2018·0 cites·15 claims
- 1164US5235077AProcess for preparing phenyl esters of substituted acidsDU PONT·Filed 1991·Granted Aug 10, 1993·8 cites·20 claims
- 1258US5153341AProcess for preparing benzenesulfonate saltsDU PONT·Filed 1991·Granted Oct 6, 1992·6 cites·8 claims
- 1349US4662932AHerbicidal sulfonamidesDU PONT·Filed 1985·Granted May 5, 1987·3 cites·15 claims
- 1446US5811585AProcess for preparing 5-chloro-2,3-dihydro-1H-inden-1-oneDU PONT·Filed 1995·Granted Sep 22, 1998·3 cites·10 claims
- 1546US4752322AHerbicidal sulfonamidesDUMAS DONALD J·Filed 1986·Granted Jun 21, 1988·3 cites·30 claims
- 1645US12356988B2Process and intermediates for the preparation of certain mesoionic pesticidesCORTEVA AGRSCIENCE LLC·Filed 2019·Granted Jul 15, 2025·0 cites·1 claims
- 1743USH1950HProcesses for preparing indeno[1,2-E][1,3,4]oxadiazine-dicarboxylatesDU PONT·Filed 1997·Granted Mar 6, 2001·2 cites·9 claims
- 1840US4892575AHerbicidal sulfonamidesDU PONT·Filed 1988·Granted Jan 9, 1990·2 cites·15 claims
- 1939US4744816AHerbicidal sulfonamidesDU PONT·Filed 1987·Granted May 17, 1988·2 cites·21 claims
- 2036US4897108AHerbicidal sulfonamidesDU PONT·Filed 1988·Granted Jan 30, 1990·1 cites·29 claims
- 2136US4878937AHerbicidal sulfonamidesDU PONT·Filed 1988·Granted Nov 7, 1989·1 cites·27 claims
- 2236US4802906AHerbicidal ortho-sulfonamide benzenesulfonylureasDU PONT·Filed 1985·Granted Feb 7, 1989·1 cites·33 claims
- 2336US4718938AHerbicidal sulfonamidesDU PONT·Filed 1986·Granted Jan 12, 1988·1 cites·15 claims
- 2431US4956005AHerbicidal orthosulfonamide benzene sulfonylureasDU PONT·Filed 1988·Granted Sep 11, 1990·0 cites·33 claims
- 2530US4769060AHerbicidal sulfonamidesDU PONT·Filed 1987·Granted Sep 6, 1988·0 cites·28 claims
- 2627USH1705HProcess for preparing 2-carboalkoxy-1-indanonesDU PONT·Filed 1997·Granted Jan 6, 1998·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →