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FR821344A Expired / Lapsed FR ⏱️ 0.0 years remaining

Diamino-sulfones of the anthraquinone series, process for preparing these sulfones and application of these sulfones to the dyeing of cellulose esters

Assignee: IG Farbenindustrie AG
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Filing: 1937-04-30
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Granted: 1937-12-02
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Expires: 1957-04-30
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 17:17
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20

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