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DE577165C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the preparation of polyazo dyes

Assignee: IG Farbenindustrie AG
•
Filing: 1931-03-10
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Granted: 1933-05-27
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Expires: 1951-03-10
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Abstract

No abstract record available.

Inventors

  • 👤 Dr Heinrich Clingestein
  • 👤 Dr Karl Wiedemann

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-06 17:40
CPC Classifications
C; C09; C09B; C09B35/00; C09B35/50; C09B35/38; C09B35/40

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