Patent US3933894A successfully refreshed from Google Patents.
US3933894A
Expired / Lapsed
US
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N-arylsulfonyl carbamates
Assignee: Monsanto Co
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Filing: 1973-12-10
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Granted: 1976-01-20
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Expires: 1993-12-10
Abstract
Abstract The present invention relates to amine, alkali metal and alkaline earth metal salts of N-benzene sulfonyl carbamic acid esters and to lower alkenyl N-benzene sulfonyl carbamates. These compounds are useful as herbicides.
Inventors
- 👤 John A. Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:41
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/24; C; C07; C07C; C07C311/00; C07C311/50; C07C311/52; C07C311/53
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
90 words
An amine salt, alkali metal salt or alkaline earth metal salt of a N-benzenesulfonyl carbamate of the formula ##EQU6## where X, Y, and Z are selected from the group consisting of hydrogen, chloro, bromo, iodo, nitro, and lower alkyl; where R is selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, alkaryl, aralkyl having up to 8 carbon atoms and lower alkanoyl; and where R 1 is selected from the group consisting of alkyl, cycloalkyl, alkenyl, alkynyl, aryl, alkaryl and aralkyl having up to 8 carbon atoms.
Claim 2
Dependent Claim
90 words
An amine salt, alkali metal salt or alkaline earth metal salt of a N-benzenesulfonyl carbamate of the formula ##EQU6## where X, Y, and Z are selected from the group consisting of hydrogen, chloro, bromo, iodo, nitro, and lower alkyl; where R is selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, alkaryl, aralkyl having up to 8 carbon atoms and lower alkanoyl; and where R 1 is selected from the group consisting of alkyl, cycloalkyl, alkenyl, alkynyl, aryl, alkaryl and aralkyl having up to 8 carbon atoms.
Claim 3
Dependent Claim
4 words
Lower alkenyl N-benzenesulfonyl carbamate.
Claim 4
Dependent Claim
4 words
Lower alkenyl N-benzenesulfonyl carbamate.
Claim 5
Dependent Claim
3 words
Isopropyl N-benzenesulfonyl carbamate.
Claim 6
Dependent Claim
3 words
Isopropyl N-benzenesulfonyl carbamate.
Claim 7
Dependent Claim
6 words
Dimethylamine salt of ethyl N-(p-nitrobenzenesulfonyl) carbamate.
Claim 8
Dependent Claim
6 words
Dimethylamine salt of ethyl N-(p-nitrobenzenesulfonyl) carbamate.
References Cited (Backward Citations)
US3806542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |