Patent US4140778A successfully refreshed from Google Patents.
US4140778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-pyridyl-N-phenylamines as rodenticides
Assignee: Eli Lilly and Co
•
Filing: 1977-07-18
•
Granted: 1979-02-20
•
Expires: 1997-07-18
Abstract
Abstract Certain substituted N-pyridyl-N-phenylamines as rodenticides.
Inventors
- 👤 Barry A. Dreikorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:48
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/74; A; A01; A01N; A01N43/00; A01N43/34; A01N43/40
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
103 words
A method of reducing a rodent population which comprises supplying to a locus frequented by said population a rodenticidally effective amount of an active agent which is a compound of the formula ##STR5## wherein R 1 represents in both locations the same halo selected from the group consisting of bromo, chloro, and fluoro; R 2 represents in both locations the same halo (1) when R 1 represents bromo or fluoro, selected from the group consisting of bromo, chloro, and fluoro, and (2) when R 1 represents chloro, selected from the group consisting of chloro and fluoro; and R 3 represent H or methyl.
Claim 2
Independent Claim
103 words
A method of reducing a rodent population which comprises supplying to a locus frequented by said population a rodenticidally effective amount of an active agent which is a compound of the formula ##STR5## wherein R 1 represents in both locations the same halo selected from the group consisting of bromo, chloro, and fluoro; R 2 represents in both locations the same halo (1) when R 1 represents bromo or fluoro, selected from the group consisting of bromo, chloro, and fluoro, and (2) when R 1 represents chloro, selected from the group consisting of chloro and fluoro; and R 3 represent H or methyl.
Claim 3
Dependent Claim
11 words
The method of claim 1 wherein the active agent is N-(2,3,5,6-tetrachloro-4-pyridyl)-N-(4-nitro-2-trifluoromethylphenyl)amine
Claim 4
Dependent Claim
11 words
The method of claim 1 wherein the active agent is N-(2,3,5,6-tetrachloro-4-pyridyl)-N-(4-nitro-2-trifluoromethylphenyl)-N-methylamine.
Claim 5
Dependent Claim
11 words
The method of claim 1 wherein the active agent is N-(2,3,5,6-tetrafluoro-4-pyridyl)-N-(4-nitro-2-trifluoromethylphenyl)amine.
Claim 6
Dependent Claim
11 words
The method of claim 1 wherein the active agent is N-(3,5-dichloro-2,6-difluoro-4-pyridyl)-N-(4-nitro-2-trifluoromethylphenyl)amine.
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) | 1982-02-19 | 1982-08-21 | 1983-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-19 | 1986-08-21 | 1987-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-19 | 1990-08-21 | 1991-02-20 | $7700.00 | Window Closed / Lapsed |