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US3740444A Expired / Lapsed US ⏱️ 0.0 years remaining

Therapeutic compositions and method

Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1970-05-12
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Granted: 1973-06-19
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Expires: 1990-05-12
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Abstract

Abstract A COMPOSITION HAVING BRADYCARDIA AND ISOPROTERENOL ACTIVITY COMPRISING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF RACEMATES OF 1-PHENOXY-2-HYDROXY-3-TERT.-BUTYLAMINO PROPANES OF THE FORMULA (R1,R2,R-PHENYL)-O-CH2-CH(-OH)-CH2-NH-C(-CH3)3 WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYNYLOXY OF 2 TO 4 CARBON ATOMS, -(CH2)X+1-OH, -(CH2)X-CN AND -(CH2)X-NH2, WHERE X IS AN INTEGER FROM 0 TO 3, COOH AND COOR'' WHERE R'' IS ALKYL OF 1 TO 4 CARBON ATOMS, R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKOXY AND ALKYLTHIO OF 1 TO 4 CARBON ATOMS, -CN AND ALKENYL AND ALKYNYL OF 2 TO 4 CARBON ATOMS AND R2 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN AND ALKYL AND ALKOXY OF 1 TO 4 CARBON ATOMS, THEIR OPTICALLY ACTIVE ISOMERS AND THEIR NONTOXIC, PHARRMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS OF SAID RACEMATES AND SAID OPTICALLY ACTIVE ISOMERS AND A MAJOR AMOUNT OF A PHARMACEUTICAL CARRIER AND METHOD OF PRODUCING BRADYCARDIA AND SUPPRESSING TACHYCARDIA EFFECTS OF N-ISOPROPYL-NORADRENALINE IN WARM-BLOODED ANIMALS.

Inventors

  • 👤 K Zeile
  • 👤 H Koppe
  • 👤 A Engelhardt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:27
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135

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) 1976-06-18 1976-12-18 1977-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-06-18 1980-12-18 1981-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-06-18 1984-12-18 1985-06-19 $7700.00 Window Closed / Lapsed

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