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US3922162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-Alkyl-4-aryl-1,2,4-triazolidin-3-ones
Assignee: Velsicol Chemical LLC
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Filing: 1975-02-18
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Granted: 1975-11-25
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Expires: 1995-02-18
Abstract
Abstract WHEREIN X is selected from the group consisting of alkyl, alkoxy, alkylthio, halogen, haloalkyl and nitro; n is an integer from 1 to 3; and R is alkyl. Further disclosed are herbicidal compositions containing a compound of the above description. This invention discloses compounds of the formula
Inventors
- 👤 John Krenzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:52
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
A HERBICIDAL COMPOSITION COMPRISING AN INERT CARRIER AND, AS AN ESSENTIAL ACTIVE INGREDIENT, IN A QUANTITY TOXIC TO WEEDS, A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
24 words
A HERBICIDAL COMPOSITION COMPRISING AN INERT CARRIER AND, AS AN ESSENTIAL ACTIVE INGREDIENT, IN A QUANTITY TOXIC TO WEEDS, A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
17 words
A method of controlling weeds which comprises contacting the weeds with a herbicidal composition of claim 1.
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) | 1978-11-24 | 1979-05-26 | 1979-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-24 | 1983-05-26 | 1983-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-24 | 1987-05-26 | 1987-11-25 | $7700.00 | Window Closed / Lapsed |