Patent US3689674A successfully refreshed from Google Patents.
US3689674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antihyperglycaemic agent
Assignee: Bayer AG
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Filing: 1971-02-25
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Granted: 1972-09-05
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Expires: 1991-02-25
Abstract
Abstract N1-phenyl-N5-isopropyl-biguanide of the formula AND ITS NON-TOXIC SALTS HAVE A GOOD ANTIHYPERGLYCAEMIC EFFECT, WHICH EVEN SURPASSES THAT OF SOME COMMERCIAL BIGUANIDES.
Inventors
- 👤 Hans-Joachim Kabbe
- 👤 Harald Horstmann
- 👤 Hans Plumpe
- 👤 Walter Puls
- 👤 Siegfried Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:27
CPC Classifications
C; C07; C07C; C07C279/00; C07C279/20; C07C279/24; C07C279/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
14 words
A method according to claim 1 in which the administration is carried out perorally.
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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |