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FR643323A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements in dyeing and mordanting of materials consisting of or containing cellulose derivatives

Assignee: Henry Dreyfus
•
Filing: 1927-11-03
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Granted: 1928-09-14
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Expires: 1947-11-03
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Abstract

No abstract record available.

Inventors

  • 👤 Henry Dreyfus

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 03:46
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/40; D06P3/405

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