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FR863259A Expired / Lapsed FR ⏱️ 0.0 years remaining

Cellulose acetate shaping process

Assignee: Hercules Powder Co
•
Filing: 1939-11-28
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Granted: 1941-03-28
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Expires: 1959-11-28
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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 2026-10-26 21:12
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; B; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/25; B29C48/36; B29C48/395; B29C48/78; B29C48/80; B29C48/83; B29C48/832; D01D1/04; D01F; D01F2/00; D01F2/24; D01F2/28

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