Patent US3712927A successfully refreshed from Google Patents.
US3712927A
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Alkanolamine derivatives
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-09-19
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Granted: 1973-01-23
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Expires: 1988-09-19
Abstract
Abstract THE DISCLOSURE RELATES TO 1-(4-ACYLAMINO-2-SUBSTITUTEDPHENOXY)-3-AMINO-2-PROPANOL DERIVATIVES, PROCESSES FOR THEIR MANUFACTURE, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND A METHOD OF USING THEM TO PRODUCE CARDIAC B-ADRENERGIC BLOCKADE IN WARM-BLOODED ANIMALS. REPRESENTATIVE OF THE COMPOUNDS DISCLOSED IS 1-(2-BROMO-4PROPIONAMIDOPHENOXY)-3-T-BUTYLAMINO-2-PROPANOL.
Inventors
- 👤 R Howe
- 👤 L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:59
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; A; A61; A61K; A61K31/00; A61K31/16; A61K31/165; A61K31/18; A61K31/21; A61K31/215; A61K31/22; A61K31/225; A61K31/275; A61K31/33; A61K31/395; A61K31/41; A61K31/42; A61P; A61P9/00; A61P9/06; A61P9/08; A61P9/10; C07C; C07C255/00; C07D263/00; C07D263/02; C07D263/04; C07D263/06; C07D303/36
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |