US3687998A
Expired / Lapsed
US
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Aliphatic sulfonoxyphenylureas
Assignee: ROBERT D TREPKA
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Filing: 1968-12-16
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Granted: 1972-08-29
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Expires: 1988-12-16
Abstract
Abstract This invention relates to aliphatic sulfonoxyphenylureas. These compounds may be utilized to destroy and/or prevent unwanted plant growth. Compositions containing and processes for preparing the compounds of the present invention are described.
Inventors
- 👤 Robert D Trepka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:17
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/63; C07C309/64; C07C309/65
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
10 words
A compound according to claim 1 wherein Y is hydrogen.
Claim 2
Dependent Claim
14 words
A compound according to claim 2 wherein R1 is a lower alkyl hydrocarbon radical.
Claim 3
Dependent Claim
13 words
A compound according to claim 2 wherein R1 is a lower fluoroalkyl radical.
Claim 4
Dependent Claim
12 words
A compound according to claim 2 wherein R1 is a perfluoroalkyl radical.
Claim 5
Dependent Claim
10 words
A compound according to claim 3 wherein R1 is methyl.
Claim 6
Dependent Claim
10 words
A compound according to claim 5 wherein R1 is trifluoromethyl.
Claim 7
Dependent Claim
3 words
The compound 3-(3-trifluoromethylsulfonoxyphenyl)-1,1-dimethylurea.
Claim 8
Dependent Claim
3 words
The compound 3-(3-trifluoromethylsulfonoxyphenyl)-1-methoxy-1-methylurea.
Claim 9
Dependent Claim
3 words
The compound 3-(3-methylsulfonoxyphenyl)-1,1-dimethylurea.
Claim 10
Dependent Claim
3 words
The compound 3-(3-methylsulfonoxyphenyl)-1-methoxy-1-methylurea.
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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |