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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Application filed by F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Application grantedgrantedCritical
Publication of FR912299ApublicationCriticalpatent/FR912299A/fr
FR912299D1944-06-151945-07-12Procédé pour la préparation de sels quaternaires de l'éther-sel diméthylcarbaminique et de l'o-diméthylaminophénol
ExpiredFR912299A
(fr)