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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
•
Filing: 1973-11-30
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Granted: 1977-03-15
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Expires: 1993-11-30
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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

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