Patent US3591636A successfully refreshed from Google Patents.
US3591636A
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US
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Substituted benzylideneamino guanidines
Assignee: Sandoz AG
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Filing: 1968-09-16
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Granted: 1971-07-06
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Expires: 1988-09-16
Abstract
Abstract SUBSTITUTED BENZYLIDENEAMINO-3-HYDROXY GUANIDINES, E.G., 1-(2,6-DICHLOROBENZYLIDENEAMINO)-3-HYDROXYGUANIDINE, ARE USEFUL AS HYPOTENSIVES AND AGROCHEMICALS.
Inventors
- 👤 William J Houlihan
- 👤 Robert E Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:22
CPC Classifications
C; C07; C07C; C07C281/00; C07C281/16; C07C281/18
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |