Patent US4041073A successfully refreshed from Google Patents.
US4041073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3,4,5-Trichloro-N,N-di(loweralkyl)-2-(mercapto) benzenesulfonamides
Assignee: Dow Chemical Co
•
Filing: 1976-10-06
•
Granted: 1977-08-09
•
Expires: 1996-10-06
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 20:08
CPC Classifications
—
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
27 words
A compound corresponding to the formula ##STR9## wherein R represents hydrogen; 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 hydrogen; 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-(mercapto)benzenesulfonamide.
Claim 4
Dependent Claim
10 words
The compound as defined in claim 1 which is 3,4,5-trichloro-N,N-diethyl-2-(mercapto)benzenesulfonamide.
References Cited (Backward Citations)
US3574739A
Cited
US3828078A
Cited
US3828079A
Cited
US3829487A
Cited
US3997603A
Cited
US3987199A
Cited
US3953493A
Cited
US3953492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-08 | 1981-02-07 | 1981-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-08 | 1985-02-07 | 1985-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-08 | 1989-02-07 | 1989-08-09 | $7700.00 | Window Closed / Lapsed |