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FR974656A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements relating to substituted piperazines

Assignee: Wyeth Holdings LLC
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Filing: 1948-11-04
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Granted: 1951-02-23
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Expires: 1968-11-04
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-06 15:04
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/32; C07D239/42; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/74; C07D241/00; C07D241/02; C07D241/10; C07D241/14; C07D241/20; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/42

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