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US3496183A
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US
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Beta-guanidino-ethyl-piperazine derivatives
Assignee: Egyesult Gyogyszer es Tapszergyar
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Filing: 1969-03-19
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Granted: 1970-02-17
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Expires: 1989-03-19
Abstract
No abstract record available.
Inventors
- 👤 Lajos Toldy
- 👤 Istvan Toth
- 👤 Jozsef Borsi
- 👤 Marton Fekete
- 👤 Katalin Szilagyi
- 👤 Istvan Bitter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:58
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; A; A61; A61K; A61K31/00; A61K31/33; C07D319/00; C07D319/10; C07D319/14; C07D319/16; C07D319/20; C07D327/00; C07D327/02; C07D327/06; C07D405/00; C07D405/02; C07D405/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |