US3920742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-sec-alkyl-2,6-dinitro-3,4-xylidine herbicides
Assignee: Wyeth Holdings LLC
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Filing: 1973-01-12
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Granted: 1975-11-18
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Expires: 1993-01-12
Abstract
Abstract This invention relates to certain novel substituted 2,6dinitroaniline compounds, which are useful as herbicides.
Inventors
- 👤 Albert William Lutz
- 👤 Robert Eugene Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:49
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/30; C07C311/37; C07C311/38; C07C311/39; C07C205/00; C07C205/07; C07C205/11; C07C205/12
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE STRUCTURE:
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE STRUCTURE:
Claim 3
Dependent Claim
5 words
A compound having the structure:
Claim 4
Dependent Claim
5 words
A compound having the structure:
Claim 5
Dependent Claim
5 words
A compound having the structure:
Claim 6
Dependent Claim
5 words
A compound having the structure:
Claim 7
Dependent Claim
5 words
A compound having the structure:
Claim 8
Dependent Claim
5 words
A compound having the structure:
Claim 9
Dependent Claim
5 words
A compound having the structure:
Claim 10
Dependent Claim
5 words
A compound having the structure:
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) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |