Patent US3590084A successfully refreshed from Google Patents.
US3590084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-(alkynylphenoxy)-2-hydroxy-3-aminopropanes and the salts thereof
Assignee: US Philips Corp
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Filing: 1967-01-04
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Granted: 1971-06-29
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Expires: 1987-01-04
Abstract
Abstract PHENOXY-2-HYDROXY-AMINOPROPANES SUBSTITUTED IN THE RING BY AN UNSATURATED ALKYL MOIETY. THE MOIETY MAY BE FOR EXAMPLE 2-PROPENYL OR 2-VINYL. SPECIFIC EXAMPLES ARE 1-(2-PROPENYLPHENOXY)-2-HYDROXY-3-T. BUTYLAMINOPROPANE AND 1-(2-(BUTENE-1-YL-1)PHENOXY)-2-HYDROXY-3-T. BUTYLAMINOPROPANE. THE COMPOUNDS HAVE B-ADRENERGIC BLOCKING PROPERTIES AND ARE USEFUL IN TREATING TACHYCARDIA.
Inventors
- 👤 Hendrik Adriaan Peperkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:48
CPC Classifications
C; C07; C07C; C07C217/00; C07C217/02; C07C217/04; C07C217/06; C07C217/14; C07C217/18
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |