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Montedison SpA
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Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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Application filed by Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpAfiledCriticalMontedison SpA
Application grantedgrantedCritical
Publication of FR844955ApublicationCriticalpatent/FR844955A/fr
C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
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Chemical & Material Sciences
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Organic Chemistry
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FR844955D1937-11-081938-10-20Procédé de préparation de l'acide 2-nitronaphthalène-4-8-disulfonique
ExpiredFR844955A
(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