US3964895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiadiazolylimidazolidinone herbicides
Assignee: Velsicol Chemical LLC
•
Filing: 1975-02-18
•
Granted: 1976-06-22
•
Expires: 1995-02-18
Abstract
Abstract This invention discloses the compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-5-hydroxy-1,3-imidazolidin-2-one and its use as a herbicide.
Inventors
- 👤 John Krenzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:01
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/01; C07D285/02; C07D285/04; C07D285/12; C07D285/125; C07D285/135; C07D417/00; C07D417/02; C07D417/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
22 words
A herbicidal composition comprising an inert carrier and, as an essential active ingredient, in a quantity toxic to weeds the compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-5-hydroxy-1,3-imidazolidin-2-one.
Claim 2
Dependent Claim
22 words
A herbicidal composition comprising an inert carrier and, as an essential active ingredient, in a quantity toxic to weeds the compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-5-hydroxy-1,3-imidazolidin-2-one.
Claim 3
Dependent Claim
17 words
A method of controlling weeds which comprises contacting said weeds with a herbicidal composition of claim 1.
References Cited (Backward Citations)
US3759939A
Cited
US3773780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-22 | 1979-12-22 | 1980-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-22 | 1983-12-22 | 1984-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-22 | 1987-12-22 | 1988-06-22 | $7700.00 | Window Closed / Lapsed |