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FR827059A Expired / Lapsed FR ⏱️ 0.0 years remaining

Nitrogenous condensation products and process for preparing them

Assignee: IG Farbenindustrie AG
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Filing: 1937-09-23
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Granted: 1938-04-15
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Expires: 1957-09-23
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 19:15
CPC Classifications
C; C08; C08G; C08G14/00; C08G14/02; C08G14/04; C08G14/06; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/58; C08G12/00; C08G12/02; C08G12/04; C08G12/043; C08G12/046; C08G12/22; C08G12/26; C08G12/34

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