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Last Updated: December 16, 2025

Claims for Patent: 3,705,233

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Summary for Patent: 3,705,233

Title:	Phenylaminoethanol derivatives
Abstract:	NOVEL 1-PHENYL-2-AMINOETHANOL DERIVATIVES OF THE FORMULA: 2-X,(R2-N(-R3)-CH(-R1)-CH(-OH)-)PHENOL ARE DISCLOSED, SOME OF WHICH HAVE STIMULANT ACTION AND SOME OF WHICH HAVE BLOCKING ACTION OF B-ADRENERGIC RECEPTORS. IN PARTICULAR PHARMACEUTICAL COMPOSITIONS COMPRISING A COMPOUND SELECTED FROM A1-T-BUTYLAMINOMETHYL-4-HYDROXY-M-XYLENE-A1-A3-DIOL, 4-HYDROXY-A1((P-METHOXY-AMETHYLPHENETHYL)AMINO)-METHYL) - M- XYLENE-A1,A3-DIOL AND PHYSIOLOGICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, IN ASSOCIATION WITH A PHARMACEUTICALLY-ACCEPTABLE CARRIER ARE DISCLOSED, THE COMPOSITION BEING PREFERABLY IN DOSAGE UNIT FORM. ALSO A METHOD OF TREATING A PATIENT SUFFERING FROM BRONCHOSPASM WHICH COMPRISES ADMINISTERING AN EFFECTIVE AMOUNT OF A COMPOUND SPECIFIED.
Inventor(s):	Lawrence Henry Charles Lunts, Paul Toon
Assignee:	Allen and Hanburys Ltd
Application Number:	US149356A
Patent Claims:

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