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FR879697A Expired / Lapsed FR ⏱️ 0.0 years remaining

Superpolyamide treatment process

Assignee: Kalle GmbH and Co KG
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Filing: 1942-02-25
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Granted: 1943-03-02
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Expires: 1962-02-25
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-27 09:53
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J2377/00

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