Patent US1238798A successfully refreshed from Google Patents.
Patent US3743675A successfully refreshed from Google Patents.
US3743675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(phenyl-carbamyl)-amino-benzene-sulfonyl fluorides
Assignee: Pennwalt Corp
•
Filing: 1972-07-10
•
Granted: 1973-07-03
•
Expires: 1992-07-10
Abstract
Abstract NOVEL SUBSTITUTED N-(PHENYL-CARBAMYL)-AMINOBENZENE-SULFONYL FLUORIDES HAVING USEFUL BIOLOGICAL ACTIVITY WHICH HAS BEEN DEMONSTRATED IN INHIBITING BACTERIAL GROWATH AS WELL AS FUNGAL GROWTH. THESE N-(PHENYL-CARBAMYL)-AMINO-BENZENE-SULFONYL FLUORIDES HAVE THE GENEREL FORMULA: (XM,X''N-PHENYL)-NH-CO-NH-C6H4-SO2-F WHEREIN X IS CHLORIDE, BROMINE TRIFLUOROMETHYL, NETHOXY OR FLUOROSULFONYL; X'' IS HYDROGEN, CHLORIDE, BROMINES, TRIFLUOROMETHYL, METHOXY OR FLUOROXULFONYL; M IS A WHOLE NUMBER FROM 1 TO 3, AND N IS A WHOLE NUMBER FROM 1 TO 3.
Inventors
- 👤 L Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:56
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/78; C07C309/86; C07C309/88
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |