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US3705233A Expired / Lapsed US ⏱️ 0.0 years remaining

Phenylaminoethanol derivatives

Assignee: Allen and Hanburys Ltd
•
Filing: 1971-06-02
•
Granted: 1972-12-05
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Expires: 1991-06-02
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Abstract

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.

Inventors

  • 👤 Lawrence Henry Charles Lunts
  • 👤 Paul Toon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:08
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C07C; C07C229/00; C07C229/38; C07C243/00; C07C243/24; C07C243/38

Claims Analysis

Total Claims: 0
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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) 1975-12-05 1976-06-05 1976-12-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-12-05 1980-06-05 1980-12-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-12-05 1984-06-05 1984-12-05 $7700.00 Window Closed / Lapsed

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