US4141916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3,4,5-Trichloro-N,N-Di(loweralkyl)-2-((chloromethyl)thio)benzenesulfonamides
Assignee: Dow Chemical Co
•
Filing: 1978-02-13
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Granted: 1979-02-27
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Expires: 1998-02-13
Abstract
Abstract Compounds are prepared corresponding to the formula ##STR1## WHEREIN EACH R represents alkyl of 1 to 4 carbon atoms. These compounds can be employed as starting materials for preparing 3,4,5-trichloro-N,N-di(loweralkyl)-2-(thiomethylthiocyanato)benzenesulfonamides which are useful as antimicrobial agents.
Inventors
- 👤 Christian T. Goralski
- 👤 George A. Burk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:44
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/15
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
18 words
A compound corresponding to the formula ##STR6## wherein each R represents alkyl of 1 to 4 carbon atoms.
Claim 2
Dependent Claim
18 words
A compound corresponding to the formula ##STR6## wherein each R represents alkyl 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-((chloromethyl)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-((chloromethyl)thio)benzenesulfonamide.
Claim 5
Dependent Claim
10 words
The compound as defined in claim 1 which is 3,4,5-trichloro-N,N-di-n-propyl-2-((chloromethyl)thio)benzenesulfonamide.
Claim 6
Dependent Claim
10 words
The compound as defined in claim 1 which is 3,4,5-trichloro-N,N-di-n-butyl-2-((chloromethyl)thio)benzenesulfonamide.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-26 | 1982-08-28 | 1983-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-26 | 1986-08-28 | 1987-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-26 | 1990-08-28 | 1991-02-27 | $7700.00 | Window Closed / Lapsed |