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FR790279A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Production of quaternary polyammonium combinations
Assignee: IG Farbenindustrie AG
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Filing: 1935-05-20
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Granted: 1935-11-16
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Expires: 1955-05-20
Abstract
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Bibliographic Details
Application Number
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FR
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google_patents
Last Synchronized
2026-11-03 09:24
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