US4046797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-Methoxy-1-methyl-3-{p-[(1,1-dimethyl-2-propynyloxy)-methoxy]phenyl}urea
Assignee: Wyeth Holdings LLC
•
Filing: 1976-04-07
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Granted: 1977-09-06
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Expires: 1996-04-07
Abstract
Abstract This invention relates to novel (alkenyloxy), (alkynyloxy) and (cyanoalkoxy) alkoxyphenyl ureas and their use as herbicidal agents.
Inventors
- 👤 Barrington Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:54
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/32; C07C275/34; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/30; C07C275/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
1-Methoxy-1-methyl-3-{p-[(1,1-dimethyl-2-propynyloxy)-methoxy]phenyl} urea.
Claim 2
Dependent Claim
2 words
1-Methoxy-1-methyl-3-{p-[(1,1-dimethyl-2-propynyloxy)-methoxy]phenyl} urea.
References Cited (Backward Citations)
DE1072982B
Cited
CH473534A
Cited
GB999862A
Cited
US3937726A
Cited
GB1232748A
Cited
US3864395A
Cited
US3951641A
Cited
US3780104A
Cited
US3885948A
Cited
US3903156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-09-05 | 1981-03-07 | 1981-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-05 | 1985-03-07 | 1985-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-05 | 1989-03-07 | 1989-09-06 | $7700.00 | Window Closed / Lapsed |