US3767816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diuretic thioureas
Assignee: Rohm and Haas Co
•
Filing: 1971-08-26
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Granted: 1973-10-23
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Expires: 1991-08-26
Abstract
Abstract SPECIFIC THIOUREAS OF THE GENERAL CLASS 1-ARYL-3-(2-HYDROXYETHYL)-THIUOUREAS HAVE BEEN FOUND TO POSSESS POTENT DIURETIC PROPERTIES.
Inventors
- 👤 J Moss
- 👤 A Sambuca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:46
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/04; C07C335/16
Claims Analysis
Total Claims: 0
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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) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |