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FR49221E Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements in the production of regenerated cellulose materials

Assignee: UCB SA
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Filing: 1937-12-22
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Granted: 1938-12-07
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Expires: 1957-12-22
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 08:22
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M13/00; D06M13/244; D06M13/282; D06M13/292

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