Patent US4097486A successfully refreshed from Google Patents.
US4097486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal thiadiazolylimidazolidinone ester
Assignee: Velsicol Chemical LLC
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Filing: 1976-10-29
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Granted: 1978-06-27
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Expires: 1996-10-29
Abstract
Abstract This invention discloses the compound 1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)-3,4-dimethyl-5-acetyloxy-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
2026-11-09 08:30
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: 2
Claim 1
Independent Claim
3 words
The compound 1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)-3,4-dimethyl-5-acetyloxy-1,3-imidazolin-2-one.
Claim 2
Dependent Claim
3 words
The compound 1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)-3,4-dimethyl-5-acetyloxy-1,3-imidazolin-2-one.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |