Patent US2424732A successfully refreshed from Google Patents.
US4025530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-Nitropyrazoles
Assignee: Abbott Laboratories
•
Filing: 1975-11-17
•
Granted: 1977-05-24
•
Expires: 1995-11-17
Abstract
Abstract Covers a method of inducing abscission of fruit by applying a chemical composition containing an effective amount of a 4-nitropyrazole as the active ingredient in an agronomically acceptable carrier. Also covers certain 4-nitropyrazoles.
Inventors
- 👤 Aldo Joseph Crovetti
- 👤 Donald Sykes Kenney
- 👤 Don Murl Lynch
- 👤 Robert George Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:08
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/16
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
66 words
A 4-nitropyrazole having a formula of ##STR46## wherein R 3 is selected from the group consisting of methyl, n-C 3 H 7 , i-C 3 H 7 , and cyclohexyl; R 4 is selected from the group consisting of hydrogen, methanesulfonyl, C 2 -C 20 alkylsulfonyl, p-toluenesulfonyl, trichloromethylmercapto, carbomethoxy and phenoxyacetyl and R 5 is selected from the group consisting of halo and CF 3 .
Claim 2
Dependent Claim
66 words
A 4-nitropyrazole having a formula of ##STR46## wherein R 3 is selected from the group consisting of methyl, n-C 3 H 7 , i-C 3 H 7 , and cyclohexyl; R 4 is selected from the group consisting of hydrogen, methanesulfonyl, C 2 -C 20 alkylsulfonyl, p-toluenesulfonyl, trichloromethylmercapto, carbomethoxy and phenoxyacetyl and R 5 is selected from the group consisting of halo and CF 3 .
Claim 3
Dependent Claim
23 words
The compound of claim 1 where R 5 is chloro, R 4 is hydrogen and R 3 is n-C 3 H 7 .
Claim 4
Dependent Claim
23 words
The compound of claim 1 where R 5 is chloro, R 4 is hydrogen and R 3 is i-C 3 H 7 .
Claim 5
Dependent Claim
19 words
The compound of claim 1 where R 5 is chloro, R 4 is hydrogen and R 3 is cyclohexyl.
Claim 6
Dependent Claim
19 words
The compound of claim 1 where R 5 is chloro, R 4 is hydrogen and R 3 is ##STR47##
Claim 7
Dependent Claim
19 words
The compound of claim 1 where R 5 is chloro, R 3 is methyl and R 4 is methanesulfonyl.
Claim 8
Dependent Claim
19 words
The compound of claim 1 where R 5 is chloro, R 3 is methyl and R 4 is toluenesulfonyl.
Claim 9
Dependent Claim
19 words
The compound of claim 1 wherein R 5 is chloro, R 3 is methyl and R 4 is trichloromethylmercapto.
Claim 10
Dependent Claim
19 words
The compound of claim 1 where R 5 is chloro, R 3 is methyl and R 4 is carbomethoxy.
Claim 11
Dependent Claim
19 words
The compound of claim 1 where R 5 is chloro, R 3 is methyl and R 4 is phenoxyacetyl.
Claim 12
Dependent Claim
21 words
The compound of claim 1 where R 5 is CF 3 , R 3 is methyl and R 4 is hydrogen.
References Cited (Backward Citations)
US3102890A
Cited
US3014916A
Cited
US3121092A
Cited
US3190888A
Cited
US3294814A
Cited
US3553209A
Cited
US3754887A
Cited
DE1950329A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |