George Levitt
95Patents
20h-index
13Co-inventors
81Inventor score
Filing activity: Jul 29, 1976 → Nov 15, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4127405A | Herbicidal sulfonamides | Chemistry; Metallurgy | 124 | Expired |
| US4169719A | Herbicidal sulfonamides | Chemistry; Metallurgy | 102 | Expired |
| US4339267A | Herbicidal sulfonamides | Chemistry; Metallurgy | 62 | Expired |
| US4383113A | Agricultural sulfonamides | Chemistry; Metallurgy | 60 | Expired |
| US4310346A | N(Substituted phenylsulfonyl) N'(substituted cyumidin-2-yl) ureas | Chemistry; Metallurgy | 57 | Expired |
| US4435206A | Agricultural pyridinesulfonamides | Chemistry; Metallurgy | 51 | Expired |
| US4394506A | Agricultural sulfonamides | Chemistry; Metallurgy | 50 | Expired |
| US4481029A | Triazinyl-sulfonyl-ureas and isoureas | Chemistry; Metallurgy | 40 | Expired |
| US4398939A | Herbicidal thiophenesulfonamides | Chemistry; Metallurgy | 32 | Expired |
| US4370480A | Herbicidal ureas and isoureas | Chemistry; Metallurgy | 31 | Expired |
| US4214890A | Herbicidal pyrimidine and triazine sulfonamides | Chemistry; Metallurgy | 30 | Expired |
| US4544401A | Agricultural pyridinesulfonamides | Chemistry; Metallurgy | 27 | Expired |
| US4302241A | Agricultural sulfonamides | Chemistry; Metallurgy | 25 | Expired |
| US4339266A | Herbicidal sulfonamides | Chemistry; Metallurgy | 24 | Expired |
| US4225337A | Herbicidal sulfonamides | Human Necessities | 22 | Expired |
| US4391627A | Herbicidal benzothiophene and benzofuran sulfonamides | Chemistry; Metallurgy | 22 | Expired |
| US4190432A | Herbicidal sulfonamides | Human Necessities | 21 | Expired |
| US4368067A | Herbicidal sulfonamides | Human Necessities | 21 | Expired |
| US4221585A | N-[(2,6-Dimethoxypyrimidin-4-yl)]aminocarbonyl benzene sulfonamides and their herbicidal compositions and methods of use | Chemistry; Metallurgy | 20 | Expired |
| US4892946A | Agricultural sulfonamides | Chemistry; Metallurgy | 20 | Expired |
| US4257802A | Herbicidal sulfonamides | Chemistry; Metallurgy | 20 | Expired |
| US4348219A | Herbicidal sulfonamides | Chemistry; Metallurgy | 20 | Expired |
| US4369058A | N-(Heterocyclicaminocarbonyl)arylsulfonamides | Chemistry; Metallurgy | 20 | Expired |
| US4342587A | Herbicidal pyridinsulfonamides | Chemistry; Metallurgy | 19 | Expired |
| US4371391A | Herbicidal sulfonamides | Chemistry; Metallurgy | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.