WP

Wallace C. Petersen

EA E.I. Du Pont De Nemours And: 13 patents #511 of 8,010Top 7%
DA Degussa Ag: 1 patents #925 of 2,007Top 50%
📍 Hockessin, DE: #78 of 555 inventorsTop 15%
🗺 Delaware: #680 of 7,163 inventorsTop 10%
Overall (All Time): #390,097 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6060432 Herbicidal sulfonamides Edward John Adams, Karlheinz Drauz, Wonpyo Hong, Balreddy Kamireddy, Matthias Schaefer +1 more 2000-05-09
4900353 Herbicidal pyridine N-oxide sulfonylureas William E. Barnette, Thomas R. Dean, Barry A. Wexler 1990-02-13
4789465 Herbicidal pyridine N-oxide sulfonylureas William E. Barnette, Thomas R. Dean, Barry A. Wexler 1988-12-06
4743295 Herbicidal sulfonamides 1988-05-10
4678497 Triazine-substituted herbicidal azobenzenesulfonamides 1987-07-07
4675045 Herbicidal sulfonamides 1987-06-23
4585470 Herbicidal azobenzenesulfonamides 1986-04-29
4555261 Herbicidal sulfonamides 1985-11-26
4492599 Herbicidal s-triazines George Levitt 1985-01-08
4491467 Herbicidal sulfonamides 1985-01-01
4394314 Process of preparing aromatic aldehydes by reacting selected aromatic compounds with formamidine acetate and an organic acid anhydride 1983-07-19
4370480 Herbicidal ureas and isoureas George Levitt 1983-01-25
4332611 Herbicidal sulfonamides 1982-06-01