US3798269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amidinoureas and amidinothioureas
Assignee: Individual
•
Filing: 1970-10-08
•
Granted: 1974-03-19
•
Expires: 1990-10-08
Abstract
Abstract ANTIBACTERIAL AND ANTIFUNGAL MONO- AND DISUBSTITUTED AMINDINOUREAS AND AMIDINOTHIOUREAS ARE OBTAINED BY INTERACTION OF GUANIDINES AND ISOCYANATES OR ISOTHIOCYANATES.
Inventors
- 👤 R Cutler
- 👤 S Schalit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:38
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |