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US3580949A Expired / Lapsed US ⏱️ 0.0 years remaining

N,n'-bis-(aminoalkyl)-benzyl-amines

Assignee: F Hoffmann La Roche AG
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Filing: 1967-11-13
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Granted: 1971-05-25
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Expires: 1987-11-13
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Abstract

Abstract N,N1 - (IMINODIALKYLENE)BENZENESULFONAMIDES, N,N1(ALKYLENEDIIMINODIALKYLENE)BENZENESULFONAMIDES AND DERIVATIVES THEREOF, EFFECTIVE AGAINST TACHYCARDIA AND ARRHYTHMIA IN BOTH AURICULAR AND VENTRICULAR TISSUES, ARE PREPARED, FOR EXAMPLE, FROM AN INTERMEDIATE OF THE FORMULA (4-R1''-PHENYL)-SO2-N(-R2)-CH2-(CH2)N1-NH2 (4-R4''-PHENYL)-SO2-N(-R2)-CH2-(CH2)P1-X (4-R1''-PHENYL)-SO2-N(-R2)-C(-R3)2-(CH2)N-NH- (CH2)M1-NH2 OR PHENYL-CH2-N(-(CH2)N1-CH2-NH2)-(CH2)P1-CH2-NH2 WHEREIN R1'' AND R4'' ARE HYDROGEN, LOWER ALKYL, PROTECTED AMINO GROUP OR AMINO GROUP PRECURSOR; R2 AND R3 ARE HYDROGEN OR LOWER ALKYL; X IS CHLORINE OR BROMINE; N1 AND P1 ARE EACH 2 OR 3; N IS FROM 1 TO 3, AND M1 IS FROM 2 TO 4.

Inventors

  • 👤 Vsevolod Gruenman
  • 👤 Max Hoffer
  • 👤 Jay Philip O'brien
  • 👤 Albert Israel Rachlin
  • 👤 Gerhard Zbinden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:59
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16; A61K31/18; A61K31/13; A61K31/135; C; C07; C07C; C07C311/00; C07C311/15

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) 1974-05-24 1974-11-23 1975-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-24 1978-11-23 1979-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-24 1982-11-23 1983-05-25 $7700.00 Window Closed / Lapsed

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