US3663607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-carbamoylalkyl phenoxy-3-amino-2-propanols
Assignee: Imperial Chemical Industries Ltd
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Filing: 1970-02-06
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Granted: 1972-05-16
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Expires: 1990-02-06
Abstract
Abstract NOVEL 1-(ELECTRONEGATIVELY-SUBSTITUTED-ALKYL- OR ALKENYLPHENOXY)-3-ALKYLAMINO-2-PROPANOL DERIVATIVES, FOR EXAMPLE 1-P-CARBAMOYLMETHYLPHENOXY-3-ISOPROPYLAMINO-2PROPANOL, METHODS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM. THE COMPOUNDS POSSESS B-ADRENERGIC BLOCKING ACTIVITY AND ARE USEFUL IN THE TREATMENT OF HEART DISEASES AND OTHER COMPLAINTS IN MAN. THIS INVENTION RELATES TO NEW ALKANOLAMINE DERIVATIVES WHICH POSSESS B-ADRENERGIC BLOCKING ACTIVITY AND WHICH ARE THEREFORE USEFUL IN THE TREATMENT OR PROPHYLAXIS OF HEART DISEASES, FOR EXAMPLE ANGINA PECTORIS AND CARDIAC ARRHYTHMIAS, AND IN THE TREATMENT OF HYPERTENSION AND PHAEOCHROMOCYTOMA, IN MAN.
Inventors
- 👤 Arthur Michael Barrett
- 👤 John Carter
- 👤 Roy Hull
- 👤 David James Le Count
- 👤 Christopher John Squire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:36
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/62; C07C243/00; C07C243/24; C07C243/26; C07C243/30; C07C243/32; C07C45/67; C07C45/68; C07C45/72; C07C45/74; C07D; C07D263/00; C07D263/02; C07D263/04; C07D263/06
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |