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FR894199A Expired / Lapsed FR ⏱️ 0.0 years remaining

Superpolymeric condensation products and their preparation process

Assignee: Deutsche Hydrierwerke AG
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Filing: 1943-04-22
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Granted: 1944-12-15
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Expires: 1963-04-22
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 17:31
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/77; C08G18/775; C08G69/00

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