US4035407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3,4,5-Trichloro-N,N-di(loweralkyl)-2-thiomethylthiocyanato)benzene-sulfonamides
Assignee: Dow Chemical Co
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Filing: 1975-12-29
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Granted: 1977-07-12
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Expires: 1995-12-29
Abstract
Abstract Compounds are prepared corresponding to the formula ##STR1## WHEREIN R represents hydrogen or methylenethiocyanate (--CH 2 SCN) and each of R 1 and R 2 represents loweralkyl of 1 to 4 carbon atoms. Those compounds wherein R is methylenethiocyanate have been found to be active antimicrobial agents and those wherein R is hydrogen are useful as intermediates therefor.
Inventors
- 👤 Christian T. Goralski
- 👤 R. Garth Pews
- 👤 George A. Burk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:54
CPC Classifications
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Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
27 words
A compound corresponding to the formula ##STR9## wherein R represents methylenethiocyanate; and each of R 1 and R 2 represents loweralkyl of 1 to 4 carbon atoms.
Claim 2
Dependent Claim
27 words
A compound corresponding to the formula ##STR9## wherein R represents methylenethiocyanate; and each of R 1 and R 2 represents loweralkyl of 1 to 4 carbon atoms.
Claim 3
Dependent Claim
10 words
The compound as defined in claim 1 which is 3,4,5-trichloro-N,N-dimethyl-2-((thiocyanomethyl)thio)benzenesulfonamide.
Claim 4
Dependent Claim
10 words
The compound as defined in claim 1 which is 3,4,5-trichloro-N,N-diethyl-2-((thiocyanomethyl)thio)benzenesulfonamide.
References Cited (Backward Citations)
US3845082A
Cited
US3476790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-11 | 1981-01-10 | 1981-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-11 | 1985-01-10 | 1985-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-11 | 1989-01-10 | 1989-07-12 | $7700.00 | Window Closed / Lapsed |