Herbicidal method and compositions
Abstract
Abstract WHEREIN R1 is hydrogen or a substituted or unsubstituted lower alkyl radical, the substituents being selected from the class consisting of halo, hydroxy, cyano, and lower alkoxy; R2 is R1 or a lower alkoxy radical, except that R1 and R2 cannot both be hydrogen; R3 is hydrogen or a lower alkyl radical; R4 is hydrogen, a lower alkyl radical, or a lower cycloalkyl radical; and R5 is hydrogen, a lower cycloalkyl radical, a lower alkoxy radical or a substituted or unsubstituted lower alkyl radical, the substituents being selected from the class consisting of halo, hydroxy, cyano, or lower alkoxy, except that R4 and R5 cannot both be hydrogen or a lower cycloalkyl radical. Unwanted plants are controlled by applying a phytotoxic amount of a thiadiazole compound having the general structure:
Inventors
- 👤 T Cebalo
Bibliographic Details
Claims Analysis
Total Claims: 12References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |