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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of FR862309ApublicationCriticalpatent/FR862309A/fr
FR862309D1938-08-271939-08-24Procédé pour la préparation de dérivés de l'acide phosphorique de combinaisons sulfureuses à propriétés bactéricides
ExpiredFR862309A
(fr)
Procédé de préparation de l'acide 1-méthyle-4-hydroxy-5-amino-naphtaline-1-sulfonique ou de l'acide 1-méthyle-4-amino-5-hydroxy-naphtaline-1-sulfonique