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FR842215A Expired / Lapsed FR ⏱️ 0.0 years remaining

Process for the preparation on fiber of azo dyes, water-insoluble metallifers, and products obtained by this process

Assignee: IG Farbenindustrie AG
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Filing: 1938-08-17
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Granted: 1939-06-08
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Expires: 1958-08-17
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-05 19:16
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/58; D06P3/60; D06P3/68

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