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DE845748C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the treatment of paper stock and paper waste water

Assignee: Zschimmer and Schwarz GmbH and Co KG
•
Filing: 1950-03-07
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Granted: 1952-08-04
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Expires: 1970-03-07
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Abstract

No abstract record available.

Inventors

  • 👤 Theodor Dr-Ing Hennig
  • 👤 Rudolf Dr-Ing Schwarz

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-01 13:32
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/30; D21H17/31

Claims Analysis

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References Cited (Backward Citations)

US1730009A Cited
GB312901A Cited
US1862265A Cited

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