JH

John C. Van Heertum

DO Dowelanco: 7 patents #6 of 212Top 3%
The Dow Chemical: 7 patents #477 of 4,115Top 15%
DA Dow Agrosciences: 6 patents #294 of 1,183Top 25%
📍 Concord, CA: #30 of 739 inventorsTop 5%
🗺 California: #25,620 of 386,348 inventorsTop 7%
Overall (All Time): #198,783 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
6303814 N-[1,2,4]triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Timothy C. Johnson, Robert J. Ehr, Mark A. Pobanz, Richard K. Mann, Timothy P. Martin 2001-10-16
6265606 Benzoic acid compounds and their use as herbicides Thomas L. Siddall, Zoltan L. Benko, Gail M. Garvin, Johnny L. Jackson, Jeffrey M. McQuiston +3 more 2001-07-24
6130335 N-([1,2,4]triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Timothy C. Johnson, Robert J. Ehr, Timothy P. Martin, Mark A. Pobanz, Richard K. Mann 2000-10-10
6010981 1-alkyl-4-benzoyl-5-hydroxypyrazole compounds and their use as herbicides Thomas L. Siddall, Zoltan L. Benko, Gail M. Garvin, Johnny L. Jackson, Jeffrey M. McQuiston +3 more 2000-01-04
6005108 N-([1,2,4]triazoloazinyl)benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Timothy C. Johnson, Robert J. Ehr, Richard Duane Johnston, William A. Kleschick, Mark A. Pobanz +2 more 1999-12-21
5965490 N-([1,2,4]triazoloazinyl)benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Timothy C. Johnson, Robert J. Ehr, William A. Kleschick, Mark A. Pobanz, Richard K. Mann 1999-10-12
5858924 N-(1, 2, 4! triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Timothy C. Johnson, Robert J. Ehr, Richard Duane Johnston, William A. Kleschick, Timothy P. Martin +2 more 1999-01-12
5700940 N-aryl1,2,4!triazolo1,5-a!pyridine-2-sulfonamide herbicides William A. Kleschick, Kim E. Arndt, Mark J. Costales, Robert J. Ehr, Kimberly Brubaker Bradley +4 more 1997-12-23
5614469 N-pyridinyl[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide herbicides Kim E. Arndt, William A. Kleschick, Walter Reifschneider, Beth A. Swisher, Robert J. Ehr +1 more 1997-03-25
5571775 N-aryl[1,2,4]triazolo[1,5-a]pyridine-2-sulfonamide herbicides William A. Kleschick, Kim E. Arndt, Mark J. Costales, Robert J. Ehr, Kimberly Brubaker Bradley +3 more 1996-11-05
5494887 Ring annulated 5-alkoxy-n-aryl[1,2,4]triazolo[1,5-C]-pyrimidine-2-sulfonamide herbicides Timothy C. Johnson, Walter Reifschneider, Mark J. Costales, Kim E. Arndt 1996-02-27
5447905 N-indazolyl[1,2,4]triazolo[1,5-C]pyrimidine-2-sulfonamide herbicides Mark J. Costales, Robert J. Ehr, William A. Kleschick, Walter Reifschneider 1995-09-05
5201938 N-pyrazolyl-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamide herbicides Mark J. Costales, William A. Kleschick, Robert J. Ehr, Patricia G. Ray 1993-04-13
5163995 Herbicidal alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamides Ben C. Gerwick, III, William A. Kleschick, Timothy C. Johnson 1992-11-17
5010195 Herbicidal alkoxy-1,2,4-triazolo(1,5-c)primidine-2-sulfonamides Ben C. Gerwick, III, William A. Kleschick 1991-04-23
4765826 Substituted benzyltrialkylammonium salts and their use as plant growth enhancers Maria Pilar Herrero 1988-08-23
4531967 Substituted phenylalkyl quinclidinum salts and their use as plant growth control agents Maria Pilar Herrero 1985-07-30
4390543 Substituted pyridine methyl esters of 2-isopropyl-2-(4-chlorophenyl) acetic acid and their use as insecticides Sudarshan K. Malhotra 1983-06-28
4262001 Substituted pyridine methyl esters of 2-isopropyl-2-(4-chlorophenyl)acetic acid and their use as insecticides Sudarshan K. Malhotra 1981-04-14
4258048 Substituted pyridine methyl esters of tetramethyl cyclopropane carboxylic acids and their use as insecticides Sudarshan K. Malhotra 1981-03-24
4228172 Substituted pyridine methyl esters of 2-isopropyl-2-(4-chlorophenyl)acetic acid and their use as insecticides Sudarshan K. Malhotra 1980-10-14
4221799 Substituted pyridine methyl esters of tetramethyl cyclopropane carboxylic acids and their use as insecticides Sudarshan K. Malhotra 1980-09-09