Patent US3837836A successfully refreshed from Google Patents.
US3837836A
Expired / Lapsed
US
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Herbicidal composition and method of using 4-alkyl-amino-3-nitroquinolines
Assignee: Wyeth Holdings LLC
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Filing: 1972-05-26
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Granted: 1974-09-24
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Expires: 1992-05-26
Abstract
Abstract WHEREIN: R1 and R2 are each hydrogen, lower alkyl, or (lower alkylthio)lower alkyl except that R1 and R2 may not both be hydrogen, X is halo, nitro, or trifluoro(lower)alkyl, and n is 0 to 3. The herbicidal compounds have the formula:
Inventors
- 👤 R Diehl
- 👤 R Magee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:41
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/38; C07D215/42; A; A01; A01N; A01N43/00; A01N43/34; A01N43/40; A01N43/42
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
9 words
The composition of claim 1 wherein the compound is:
Claim 2
Independent Claim
30 words
A method for controlling undesirable plant species which comprises applying to the soil containing seeds of said undesirable plant species a herbicidally effective amount of a compound of the formula
Claim 3
Independent Claim
28 words
A method for controlling undesirable plant species which comprises applying to the foliage of said undesirable plant species a herbicidally effective amount of a compound of the formula
Claim 4
Dependent Claim
15 words
The method of claim 3 wherein said soil also contains the seeds of economic crops.
Claim 5
Dependent Claim
20 words
The method for controlling undesirable plant species according to claim 3 wherein R1 and R2 are each lower alkyl C1-C5.
Claim 6
Dependent Claim
15 words
A method for controlling undesirable plant species according to claim 6 wherein the compound is
Claim 7
Dependent Claim
19 words
A method for controlling undesirable pLants according to claim 4 wherein R1 and R2 are each lower alkyl C1-C5.
Claim 8
Dependent Claim
14 words
A method for controlling undesirable plants according to claim 8 wherein the compound is
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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |