DE667722C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the recovery of pure paper stock from printed waste paper
Assignee: Gruenau Illertissen GmbH
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Filing: 1936-10-06
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Granted: 1938-11-18
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Expires: 1956-10-06
Abstract
No abstract record available.
Inventors
- 👤 Bernhard Schilling
- 👤 Dr Georg Wiegand
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 18:39
CPC Classifications
D; D21; D21C; D21C5/00; D21C5/02; D21C5/025; D21C5/027; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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