Patent DE740664C successfully refreshed from Google Patents.
DE740664C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of white paper stock from waste paper
Assignee: IG Farbenindustrie AG
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Filing: 1939-10-22
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Granted: 1944-03-31
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Expires: 1959-10-22
Abstract
No abstract record available.
Inventors
- 👤 Dr Franz Patat
- 👤 Dr Gerhard Seydel
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 08:03
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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