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US3567765A Expired / Lapsed US ⏱️ 0.0 years remaining

N-aromatic substituted acid amides and esters

Assignee: Evonik Operations GmbH
•
Filing: 1969-07-10
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Granted: 1971-03-02
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Expires: 1989-07-10
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Abstract

Abstract N-AROMATIC SUBSTITUTED ACID AMIDE COMPOUNDS OF THE FORMULA ((R4,R5-PHENYL)-Y-C<(=CH-CH=CH-CH=X-)(-R3), (-NH-CO-CH(-R2)-Z-CH3) WHEREIN: Z IS -CO-, -CH(-OH)-, OR -CH(-O-ACYL)- WHEREIN THE ACYL IS THE ACYL GROUP OF A LOWER ALIPHATIC, PREFERABLY, ALKYL CARBOXYLIC ACID OR OF A MONOALIPHATIC PREFERABLY, ALKYL ESTER OF CARBONIC ACID, R2 IS H OR LOWER ALKYL, R3 IS H, HALOGEN, LOWER ALKYL OR LOWER ALKOXY, EACH OF R4 AND R5 TAKEN INDIVIDUALLY IS HYDROGEN, HALOGEN, LOWER ALKYL NITRO, TRIFLUOROMETHYL, LOWER ALKOXY, LOWER ALKYL AMINO, AMINO, HYDROXY, ACYL-OXY AS DEFINED ABOVE OR ACYL-AMINO AS DEFINED ABOVE, X IS =H-OR=CH-AND Y IS-CH2-OR-NHAND WHEREIN WHEN Z IS -CO- X IS CH AND Y IS NH AT LEAST ONE OR R2, R3, R4 AND R5 IS OTHER THAN HYDROGEN. SUCH COMPOUNDS HAVE VALUABLE PHARAMACEUTICAL PROPERTIES, SUCH AS, ANTI-INFLAMMATORY, ANALGESIC, ANTIPYRETIC AND/ OR ANTI-SPASMODIC PROPERTIES.

Inventors

  • 👤 Kurt Thiele

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:45
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75

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) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

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