Patent US4734336A successfully refreshed from Google Patents.
US4023957A
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Herbicidal 1-thiadiazolyl-5-carbamoyloxyimidazolidinones
Assignee: Velsicol Chemical LLC
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Filing: 1975-09-10
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Granted: 1977-05-17
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Expires: 1995-09-10
Abstract
Abstract This invention discloses new compounds of the formula ##STR1## wherein R 1 is selected from the group consisting of alkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; R 2 is alkyl; R 3 is selected from the group consisting of hydrogen and alkyl; Y is selected from the group consisting of oxygen and sulfur; and R 4 is selected from the group consisting of hydrogen, alkyl, cycloalkyl and ##STR2## WHEREIN X is selected from the group consisting of alkyl, halogen, haloalkyl and alkoxy, and n is an integer from 0 to 5.
Inventors
- 👤 John Krenzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:11
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/18
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
128 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 ##STR12## wherein R 1 is selected from the group consisting of lower alkyl, lower alkenyl, lower haloalkyl, lower alkoxy, lower alkylthio, lower alkylsulfonyl and lower alkylsulfinyl; R 2 is lower alkyl; R 3 is selected from the group consisting of hydrogen and lower alkyl; Y is selected from the group consisting of oxygen and sulfur; and R 4 is selected from the group consisting of hydrogen, lower alkyl, cycloalkyl of from 3 to 7 carbon atoms and ##STR13## wherein X is selected from the group consisting of lower alkyl, halogen, lower haloalkyl and lower alkoxy, and n is an integer from 0 to 3.
Claim 2
Dependent Claim
128 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 ##STR12## wherein R 1 is selected from the group consisting of lower alkyl, lower alkenyl, lower haloalkyl, lower alkoxy, lower alkylthio, lower alkylsulfonyl and lower alkylsulfinyl; R 2 is lower alkyl; R 3 is selected from the group consisting of hydrogen and lower alkyl; Y is selected from the group consisting of oxygen and sulfur; and R 4 is selected from the group consisting of hydrogen, lower alkyl, cycloalkyl of from 3 to 7 carbon atoms and ##STR13## wherein X is selected from the group consisting of lower alkyl, halogen, lower haloalkyl and lower alkoxy, and n is an integer from 0 to 3.
Claim 3
Dependent Claim
17 words
A method of controlling weeds which comprises contacting said 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) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |