Patent US3742008A successfully refreshed from Google Patents.
US3742008A
Expired / Lapsed
US
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N-cycloalkylthiocarbonyloxy-substituted n-phenylureas
Assignee: Velsicol Chemical LLC
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Filing: 1971-06-26
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Granted: 1973-06-26
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Expires: 1991-06-26
Abstract
Abstract This invention discloses new chemical compounds of the formula WHEREIN X is selected from the group consisting of alkyl, alkenyl, halogen, haloalkyl, alkoxy, alkylthio, nitro and dialkylamino; n is an integer from 0 to 5; R1 and R2 are independently selected from the group consisting of hydrogen and alkyl; Q is selected from the group consisting of oxygen, sulfur and alkylene; m is an integer from 0 to 1; and Y is cycloalkyl, optionally substituted with halogen or alkyl. This invention further discloses new herbicidal compositions comprising an inert carrier and, as an essential active ingredient, in a quantity toxic to weeds, a compound of the above description.
Inventors
- 👤 J Krenzer
- 👤 S Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:36
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/64
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
19 words
A compound of claim 1, wherein Y is selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
Claim 2
Dependent Claim
18 words
A compound of claim 1, wherein X is selected from the group consisting of lower alkyl and halogen.
Claim 3
Dependent Claim
1 words
1-(2-methoxy-4-n-pentylphenyl)-1-cycloheptylthiocarbonyloxy-3-n-hexylurea.
Claim 4
Dependent Claim
2 words
1-(3-dimethylamino-5-fluorophenyl)-1-cyclopropylthiocarbonyloxy-3,3-di-n -decylurea.
References Cited (Backward Citations)
US2753251A
Cited
US3001861A
Cited
US3419620A
Cited
US3388153A
Cited
US3439018A
Cited
US3597467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |