US3988370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amidinoureas
Assignee: STWB Inc
•
Filing: 1973-08-24
•
Granted: 1976-10-26
•
Expires: 1993-08-24
Abstract
Abstract Antibacterial and antifungal mono- and disubstituted amidinoureas and amidinothioureas are obtained by interaction of guanidines and isocyanates or isothiocyanates.
Inventors
- 👤 Royal A. Cutler
- 👤 Samuel Schalit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:57
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
1 words
1-Amidino-3-decylurea.
Claim 2
Dependent Claim
1 words
1-Amidino-3-decylurea.
Claim 3
Dependent Claim
1 words
1-Amidino-3-undecylurea.
Claim 4
Dependent Claim
1 words
1-Amidino-3-undecylurea.
Claim 5
Dependent Claim
1 words
1-Amidino-3-dodecylurea.
Claim 6
Dependent Claim
1 words
1-Amidino-3-dodecylurea.
References Cited (Backward Citations)
GB954114A
Cited
US3798269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-26 | 1980-04-26 | 1980-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-26 | 1984-04-26 | 1984-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-26 | 1988-04-26 | 1988-10-26 | $7700.00 | Window Closed / Lapsed |