US3646067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adamantylaminophenoxypropanols and ester derivatives
Assignee: ER Squibb and Sons LLC
•
Filing: 1970-07-23
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Granted: 1972-02-29
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Expires: 1990-07-23
Abstract
Abstract THIS INVENTION RELATES TO NEW ADAMANTYLAMINOPHENOXYPROPANOLS AND RELATED COMPOUNDS OF THE FORMULA: 3-R1,5-R2,7-(((X)N-PHENYL)-O-C(-R5)(-R6)-CH(-O-R7)-CH(-R4) -N(-R3)-(CH2)M-)ADAMANTANE AND TO SALTS OF SUCH COMPOUND, PRODUCTS WHICH ARE USEFUL IN CORONARY DISEASES AND AS ANTIVIRAL AGENTS. IN ADDITION, SUCH COMPOUND ARE USEFUL IN WATER SOFTENING AND CORROSION INHIBITION.
Inventors
- 👤 Venkatachala L Narayanan
- 👤 Jack Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:47
CPC Classifications
C; C07; C07C; C07C53/00; C07C53/38; C07C53/44; C07C53/132; C07C53/136; C07C53/138; C07C61/00; C07C61/12; C07C61/125; C07C61/135
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |