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US3752810A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted n aminoalkyl arylamino imidazolines-(2)

Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1970-11-16
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Granted: 1973-08-14
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Expires: 1990-11-16
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Abstract

Abstract NOVEL COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF N-AMINOALKYL-ARYLAMINO-IMIDAZOLINES-(2) OF THE FORMULA 1-R5,2-((R1,R2,R3-PHENYL)-N(-R4)-)-2-IMIDAZOLINE WHEREIN R1, R2 AND R3 MAY BE THE SAME OR DIFFERENT AND ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, FLUORINE, CHLORINE, BROMINE, TRIFLUOROMETHYL, CYANO AND LOWER ALKYL AND LOWER ALKOXY OF 1 TO 7 CARBON ATOMS AND ONE OF 54 AND R5 BEING HYDROGEN WITH THE OTHER BEING -(CH2)N-A, N IS 2 OR 3 AND A IS SELECTED FROM THE GROUP CONSISTING OF DIALKYLAMINO WITH 1 TO 4 CARBON ATOMS IN EACH ALKYL, MORPHOLINO, PYRROLIDINO AND PIPERIDINO AND THEIR NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS HAVING HYPOTENSIVE ACTIVITY, THEIR PREPARATION AND THEIR USE.

Inventors

  • 👤 H Staehle
  • 👤 H Koeppe
  • 👤 W Kummer
  • 👤 H Samtleben

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:14
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C07D233/00; C07D233/04; C07D233/28; C07D233/44; C07D233/50

Claims Analysis

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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) 1976-08-13 1977-02-12 1977-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-08-13 1981-02-12 1981-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-08-13 1985-02-12 1985-08-14 $7700.00 Window Closed / Lapsed

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