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DE553045C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the preparation of copper compounds of substantive azo dyes

Assignee: IG Farbenindustrie AG
•
Filing: 1929-03-31
•
Granted: 1932-06-21
•
Expires: 1949-03-31
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Abstract

No abstract record available.

Inventors

  • 👤 Dr Josef Hilger
  • 👤 Dr Karl Wiedemann

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-28 16:27
CPC Classifications
C; C09; C09B; C09B35/00; C09B35/02; C09B35/039; C09B35/08

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