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FR658763A Expired / Lapsed FR ⏱️ 0.0 years remaining

Process for obtaining disazo and polyazo dyes

Assignee: IG Farbenindustrie AG
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Filing: 1928-05-22
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Granted: 1929-06-19
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Expires: 1948-05-22
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-29 18:17
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/12; C09B43/136; C09B43/16

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