Patent DE680782C successfully refreshed from Google Patents.
Patent US3962306A successfully refreshed from Google Patents.
US3962306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonyloxyphenylurea compounds and herbicidal compositions
Assignee: Bayer AG
•
Filing: 1974-06-14
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Granted: 1976-06-08
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Expires: 1994-06-14
Abstract
Abstract New sulfonyloxyphenylureas of the formula ##SPC1## In which R 1 is alkyl, haloalkyl, phenyl, phenyl substituted with at least one of alkyl, halo-substituted and trifluoromethyl or dialkylamino, and R 2 is hydrogen, alkyl of from 1 to 4 carbon atoms, or methoxy Are outstandingly effective herbicides displaying particularly selective action.
Inventors
- 👤 Engelbert Kuhle
- 👤 Erich Klauke
- 👤 Ludwig Eue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:30
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/63; C07C309/72; C07C309/73; C07C307/00; C07C307/02; C07C309/64; C07C309/65; C07C309/66
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
1 words
N-(3-chloro-4-chloromethylsulfonyloxy-phenyl)-N',N'-dimethylurea.
Claim 2
Dependent Claim
1 words
N-(3-chloro-4-chloromethylsulfonyloxy-phenyl)-N',N'-dimethylurea.
Claim 3
Dependent Claim
1 words
N-(3-chloro-4-methylsulfonyloxy-phenyl)-N',N'-dimethylurea.
Claim 4
Dependent Claim
1 words
N-(3-chloro-4-methylsulfonyloxy-phenyl)-N',N'-dimethylurea.
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) | 1979-06-08 | 1979-12-08 | 1980-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-08 | 1983-12-08 | 1984-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-08 | 1987-12-08 | 1988-06-08 | $7700.00 | Window Closed / Lapsed |