US4012444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-[1-Hydroxy-2-(1-methyl-3-phenylpropyl)aminoethyl] salicylamide and physiologically acceptable acid addition salts thereof
Assignee: Allen and Hanburys Ltd
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Filing: 1973-11-30
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Granted: 1977-03-15
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Expires: 1993-11-30
Abstract
Abstract Compounds of the formula: ##STR1## and physiologically acceptable acid addition salts thereof, in which R 1 is A. an arylalkyl group, the alkyl portion of which contains from 1 to 6 carbon atoms and the aryl portion of which may be substituted by one or more alkoxy groups or hydroxy groups; or B. an aryloxyalkyl group, the alkyl portion of which contains from 1 to 6 carbon atoms, and the aryloxy portion of which is substituted with one or more alkoxy or hydroxy groups. These compounds have a blocking action on both α- and β-adrenergic receptors. Processes for the production of these compounds and pharmaceutical compositions containing them are also provided.
Inventors
- 👤 Lawrence Henry Charles Lunts
- 👤 David Trevor Collin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:14
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/60; C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
5-[1-Hydroxy-2-(1-methyl-3-phenylpropyl)aminoethyl] salicylamide or a physiologically acceptable acid addition salt thereof.
Claim 2
Dependent Claim
10 words
5-[1-Hydroxy-2-(1-methyl-3-phenylpropyl)aminoethyl] salicylamide or a physiologically acceptable acid addition salt thereof.
Claim 3
Dependent Claim
9 words
The compound of claim 1 which is 5-[1-hydroxy-2-(1-methyl-3-phenylpropyl)aminoethyl] salicylamide.
Claim 4
Dependent Claim
10 words
The compound of claim 1 which is 5-[1-hydroxy-2-(1-methyl-3-phenylpropyl)aminoethyl] salicylamide hydrochloride.
References Cited (Backward Citations)
FR1557677A
Cited
US3732300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |