Patent US4276420A successfully refreshed from Google Patents.
US4276420A
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Herbicidal and plant-growth-regulating 1,2,4-trisubstituted-1,2,4-triazolidin-3-one-5-thione
Assignee: Chevron USA Inc
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Filing: 1979-02-09
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Granted: 1981-06-30
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Expires: 1999-02-09
Abstract
Abstract 1,2,4-Trisubstituted-1,2,4-triazolidin-3-one-5-thiones are prepared by the reaction of a 1,4-disubstituted 1,2,4-triazolidin-3-one-5-thione and an organohalide in the liquid phase in the presence of a base. The triazolidinonethione compounds are useful as herbicides and plant-growth regulators.
Inventors
- 👤 Stephen D. Ziman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:14
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/12; A; A01; A01N; A01N43/00; A01N43/64; A01N43/647; A01N43/653
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
63 words
A compound of the formula ##STR7## wherein R 1 is alkyl of 1 to 3 carbon atoms and R 2 is alkyl of 1 to 3 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkoxyalkyl of 2 to 6 carbon atoms and alkylthioalkyl of 2 to 6 carbon atoms, and R 4 is p-halophenyl wherein halo is fluoro, chloro, bromo or iodo.
Claim 2
Dependent Claim
63 words
A compound of the formula ##STR7## wherein R 1 is alkyl of 1 to 3 carbon atoms and R 2 is alkyl of 1 to 3 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkoxyalkyl of 2 to 6 carbon atoms and alkylthioalkyl of 2 to 6 carbon atoms, and R 4 is p-halophenyl wherein halo is fluoro, chloro, bromo or iodo.
Claim 3
Dependent Claim
10 words
The compound of claim 1 wherein R 4 is 4-chlorophenyl.
Claim 4
Dependent Claim
13 words
The compound of claim 2 wherein R 1 and R 2 are methyl.
Claim 5
Dependent Claim
15 words
The compound of claim 2 wherein R 1 is methyl and R 2 is methoxymethyl.
Claim 6
Dependent Claim
15 words
The compound of claim 2 wherein R 1 is methyl and R 2 is vinyl.
Claim 7
Dependent Claim
15 words
The compound of claim 2 wherein R 1 is methyl and R 2 is allyl.
Claim 8
Dependent Claim
15 words
The compound of claim 2 wherein R 1 is methyl and R 2 is methylthiomethyl.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-29 | 1984-12-29 | 1985-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-29 | 1988-12-29 | 1989-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-29 | 1992-12-29 | 1993-06-30 | $7700.00 | Window Closed / Lapsed |