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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 ES218351A1publicationCriticalpatent/ES218351A1/en
Polymers With Sulfur, Phosphorus Or Metals In The Main Chain
(AREA)
Abstract
A polyhalogenated diphenylsulfon production method characterized by the preparation of compounds of the formula: in which hlg represents a halogen atom and x a phenyl group in which the halogen can be substituted by hydrogen in the 4-position or in positions 24 and 5 (in combination). (Machine-translation by Google Translate, not legally binding)
ES0218351A1953-11-141954-11-11A method of producing polyhalogenated penilsulphones (Machine-translation by Google Translate, not legally binding)
ExpiredES218351A1
(en)