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Pechiney SA
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Pechiney SA
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Publication of ES250714A1publicationCriticalpatent/ES250714A1/en
Process for the preparation of pure niobium oxide, from aqueous solutions of niobium compounds, in anionic form and in other metals of groups iii, v and viii, characterized in that said solutions are brought into contact with an ion exchange substance, of anionic reaction, and then the metal (s) absorbed in the form of anions, are eluted by means of an aqueous solution of a neutral salt. (Machine-translation by Google Translate, not legally binding)
ES0250714A1958-07-111959-07-09Procedure for preparing niovio oxide (Machine-translation by Google Translate, not legally binding)
ExpiredES250714A1
(en)
Process for the preparation of a member of the group consisting of a salt of furaltadone acid pamoate and a hydrate of the same (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of (3-trifluormethylphenoxy) - (4-chlorophenyl) acetate of 2-acetamidoetilo. (Machine-translation by Google Translate, not legally binding)
A procedure for preparing an antidyardaric complex of bismuto and chlorohidroxyquinoline. (Machine-translation by Google Translate, not legally binding)