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FR1123473A Expired / Lapsed FR ⏱️ 0.0 years remaining

Poly-azo dyes and their manufacture

Assignee: Cassella Farbwerke Mainkur AG
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Filing: 1955-05-04
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Granted: 1956-09-21
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Expires: 1975-05-04
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-31 10:06
CPC Classifications
C; C09; C09B; C09B35/00; C09B35/38; C09B35/44; C09B35/46

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