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FR793173A Expired / Lapsed FR ⏱️ 0.0 years remaining

Process for combating the formation of foam or scum, in particular in the manufacture of paper and board

Assignee: SCHACHT F
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Filing: 1935-07-30
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Granted: 1936-01-18
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Expires: 1955-07-30
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-05 13:00
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/06; D21H21/12; D21H17/00; D21H17/02; D21H17/03; D21H17/04; D21H17/05; D21H17/06

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