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US3780102A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted cinnamamides

Assignee: Merck Sante SAS
•
Filing: 1971-09-10
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Granted: 1973-12-18
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Expires: 1991-09-10
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Abstract

Abstract C2H5NH-COO-C2H4- THE PRESENT INVENTION CONCERNS NEW CINNAMAMIDES OF FORMULA: (R1,R2,R3-PHENYL)-C(-R4)=C(-R5)-CO-N(-R6)-C(-R7)(-R8)- CH(-R9)-R10 IN WHICH R1 AND R3 ARE HYDROGEN, A LOWER ALKYL OR LOWER ALKOXY RADICAL; R2 IS HYDROGEN, A HALOGEN, A LOWER ALKYL OR LOWER ALKOXY RADICAL; R4 AND R5 ARE HYDROGEN OR A LOWER ALKYL RADICAL; R6 IS HYDROGEN, A LOWER ALKYL OR LOWER HYDROXYL ALKYL RADICAL ARYL RADICAL OR R7 AND R8 ARE HYDROGEN, A LOW ALKYL OR LOWER HYDROXY, ALKYL RADICAL; R9 IS HYDROGEN, A LOWER ALKYL OR LOWER HYDROXY ALKYL RADICAL; R10=HALOGEN, A HYDROXY RADICAL EXCEPT WHEN R1 TO R9=H AND R1, R2, R3=CH3O, R4=CH3 AND R5 TO R9=H, A LOWER ALKYL RADICAL, A LOWER HYDROXYALKYL RADICAL, NH2-COO, A LOWER ALKYL RADICAL -NH-COO AND ARYL RADICAL-NH-COO. THE INVENTION IS RELATIVE TO PREPARATION PROCESSES AND MEDICINE CONTAINING AS ACTIVE PRINCIPLE A CINNAMAMIDE OF FORMULA I, IN WHICH THE RADICALS R1 TO R9 HAVE THE SAME MEANINGS A S ABOVE AND R10=HALOGEN, A HYDROXY RADICAL-EXCEPT WHEN R1, R2, R3=CH3O, R4=CH3 AND R5 TO R9=H-LOWER HYDROXY ALKYL, NH2COO, LOWER ALKYL-NHCOO-ARYL NHCOO.

Inventors

  • 👤 M Grand
  • 👤 M Bayssat
  • 👤 L Fontaine

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 04:09
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16; A61K31/165; C; C07; C07C; C07C233/00; C07C233/01; C07C233/12

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) 1976-12-17 1977-06-18 1977-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-17 1981-06-18 1981-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-17 1985-06-18 1985-12-18 $7700.00 Window Closed / Lapsed

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