FR846522A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process making materials of cellulosic origin flame retardant, waterproof, bactericidal and rot-proof in a single operation
Assignee: Mieczyslaw Naftali
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Filing: 1938-05-24
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Granted: 1939-09-19
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Expires: 1958-05-24
Abstract
No abstract record available.
Inventors
- 👤 Mieczyslaw Naftali
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 15:16
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/08; C; C08; C08L; C08L15/00; C08L15/02
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