Patent DE407500C successfully refreshed from Google Patents.
DE407500C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of pure cellulose fibers from cellulose-containing materials contaminated by encrusting accompanying substances, such as cellulose and vegetable fibers
Assignee: Individual
•
Filing: 1921-01-08
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Granted: 1924-12-16
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Expires: 1941-01-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 09:04
CPC Classifications
D; D01; D01C; D01C1/00; D01C1/02
Claims Analysis
Total Claims: 0
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