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Patent US4063924A successfully refreshed from Google Patents.
US4063924A
Expired / Lapsed
US
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New thiadiazolylimidazolidinone ester
Assignee: Velsicol Chemical LLC
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Filing: 1976-10-29
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Granted: 1977-12-20
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Expires: 1996-10-29
Abstract
Abstract This invention discloses the compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3,4-dimethyl-5-acetyloxy-1,3-imida zolidin-2-one and its use as a herbicide.
Inventors
- 👤 John Krenzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:08
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/01; C07D285/02; C07D285/04; C07D285/12; C07D285/125; C07D285/135; A; A01; A01N; A01N43/00; A01N43/72; A01N43/82; C07D417/00; C07D417/02; C07D417/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
3 words
The compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3,4-dimethyl-5-acetyloxy-1,3-imidazolidin-2-one.
Claim 2
Dependent Claim
3 words
The compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3,4-dimethyl-5-acetyloxy-1,3-imidazolidin-2-one.
Claim 3
Dependent Claim
35 words
A method of controlling weeds which comprises contacting said weeds with a herbicidal composition comprising an inert carrier and, as an essential active ingredient, in a quantity toxic to weeds, the compound of claim 1.
References Cited (Backward Citations)
US3997321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-19 | 1981-06-20 | 1981-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-19 | 1985-06-20 | 1985-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-19 | 1989-06-20 | 1989-12-20 | $7700.00 | Window Closed / Lapsed |