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ZH SEKITAN SOGO KENKYUJO
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ZH SEKITAN SOGO KENKYUJO
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Application filed by ZH SEKITAN SOGO KENKYUJOfiledCriticalZH SEKITAN SOGO KENKYUJO
Publication of ES208423A1publicationCriticalpatent/ES208423A1/en
Method for the recovery of germanium compounds characterized by the fact that products of the carbonization of coal-water ammoniacal water ammoniacal combustión or aqueous solutions in raw tar. They are treated with an ion exchanger to concentrate the germanium products contained in said materials and at the same time to separate said compounds from organic or inorganic impurities other than said germanium compounds. (Machine-translation by Google Translate, not legally binding)
ES0208423A1952-03-251953-03-23A method for the recovery of germanium compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES208423A1
(en)