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US3755317A Expired / Lapsed US ⏱️ 0.0 years remaining

Thioamides of 4-substituted syringic acid and their preparation

Assignee: ISF SpA
•
Filing: 1970-11-27
•
Granted: 1973-08-28
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Expires: 1990-11-27
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Abstract

Abstract New thioamides of 4-substituted zyringic acid are provided, which are characterized with respect to the corresponding amides in that they have a more prolonged effect. The new thioamides herein provided can be used in therapy showing a prolonged ataraxic or tranquilizing action upon the central nervous system without comprising the reflexes and the motorial coordination; furthermore, they show a very low toxicity, a favourable therapeutic coefficient and the absence of collateral effects on the circle.

Inventors

  • 👤 G Pifferi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:51
CPC Classifications
C; C07; C07D; C07D261/00; C07D261/02; C07D277/00; C07D277/02; C07D277/04; C07D295/00; C07D295/16; C07D295/18; C07D295/194

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 2 words
4-(3,4,5-trimethoxythiobenzoyl )-tetrahydro-1,4-oxazine.

References Cited (Backward Citations)

US3432549A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-08-27 1977-02-26 1977-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-08-27 1981-02-26 1981-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-08-27 1985-02-26 1985-08-28 $7700.00 Window Closed / Lapsed

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