Allyn R. Bell
32Patents
11h-index
21Co-inventors
75Inventor score
Filing activity: Mar 17, 1975 → Jan 16, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4360677A | Herbicidal 2-(alpha-chloromethylsulfonyl) pyridine-1-oxides | Human Necessities | 74 | Expired |
| US4618365A | Substituted tetrazolinones and their use as herbicides | Human Necessities | 32 | Expired |
| US4826529A | Substituted tetrazolinones and herbicidal compositions thereof | Human Necessities | 32 | Expired |
| US4830661A | Substituted tetrazolinones and herbicidal compositions thereof | Human Necessities | 25 | Expired |
| US5169430A | Benzenesulfonamide derivatives and methods for their production | Chemistry; Metallurgy | 23 | Expired |
| US4979982A | Herbicidal cinnamic ester uracils | Human Necessities | 21 | Expired |
| US5003075A | Preparation of substituted tetrazolinones | Chemistry; Metallurgy | 19 | Expired |
| US5019152A | Substituted tetrazolinones and their use as herbicides | Chemistry; Metallurgy | 18 | Expired |
| US4927451A | 3-aryldihydrouracils | Human Necessities | 17 | Expired |
| US4956469A | Preparation of substituted tetrazolinones | Human Necessities | 17 | Expired |
| US4981508A | 1,4-benzoxazin-3-one substituted uracils | Human Necessities | 16 | Expired |
| US4943309A | Method of defoleating cotton plants employing 3-carbonylphenyl uracil derivatives | Human Necessities | 11 | Expired |
| US3960542A | Herbicidal 2-sulfinyl and 2-sulfonyl pyridine N-oxide derivatives | Chemistry; Metallurgy | 9 | Expired |
| US4569690A | 3-Aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides | Chemistry; Metallurgy | 8 | Expired |
| US5486610A | Pyrimidylbensulfonyl chloride compounds | Chemistry; Metallurgy | 5 | Expired |
| US5319102A | Heterocyclic-alkylene quinoxalinyloxyphenoxypropanoate herbicides | Human Necessities | 5 | Expired |
| US5176735A | Method of desiccating plants employing 3-carbonylphenyl uracil derivatives | Chemistry; Metallurgy | 5 | Expired |
| US5120346A | Substituted tetrazolinones for plant growth inhibition | Chemistry; Metallurgy | 4 | Expired |
| US4019893A | Herbicidal method using 2-sulfinyl or 2-sulfonyl pyridine N-oxide derivatives | Chemistry; Metallurgy | 4 | Expired |
| US4945113A | herbicidal sulfonamide derivatives | Chemistry; Metallurgy | 3 | Expired |
| US5114464A | 4-quinoxalinyloxyphenoxyalkylinitrile herbicides | Human Necessities | 3 | Expired |
| US5120348A | Heterocyclic-alkylene quinoxalinyloxyphenoxypropanoate herbicides | Human Necessities | 3 | Expired |
| US4675044A | 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides | Chemistry; Metallurgy | 2 | Expired |
| US4438271A | 2-Ethylsulfonyl pyridine 1-oxide derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5474973A | Heterocyclic-alkylene quinoxalinyloxyphenoxypropanoate herbicides | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.