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Koninklijke Philips NV
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Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES249394A1publicationCriticalpatent/ES249394A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A method of producing halogen diphenylsulfones by the reaction of halogen-benzenesulfohalogenide with benzene in which one or more hydrogen atoms can be substituted by halogen atoms in the presence of a condensing agent, for example aluminum chloride, characterized in that the halogen-benzenesulfohalogenide is treated with or during the reaction with an oxidizing agent. (Machine-translation by Google Translate, not legally binding)
ES0249394A1958-05-171959-05-14A method of production of halogen-difenilsulfonas (Machine-translation by Google Translate, not legally binding)
ExpiredES249394A1
(en)
New procedure for the achievement of a cyanocobalamine association to organic calcium salts (Machine-translation by Google Translate, not legally binding)