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Homayr Ladenhaufen Jorg
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Homayr Ladenhaufen Jorg
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Priority to ES211776ApriorityCriticalpatent/ES211776A1/en
Publication of ES211776A1publicationCriticalpatent/ES211776A1/en
Process for obtaining iron oxide black with the chemical formula **/see formula) ** characterized in that said oxide is obtained from iron protosulfate by oxidation with air and with the optional addition of an accelerator. Oxidation such as ammonia nitrate potassium nitrate or a "per" combination by precipitation with ammonia or caustic soda and by boiling for at least one hour (Machine-translation by Google Translate, not legally binding)
ES211776A1953-10-211953-10-21A procedure for obtaining black iron oxide (Machine-translation by Google Translate, not legally binding)
ExpiredES211776A1
(en)
A method for the production of 2-methyl-2-hydroxy-4- (2,2,2-tricloro-1-hydroxyetoxy) -pentane (Machine-translation by Google Translate, not legally binding)
Procedure for the polycondensation of acid amidas alquilen, alquiliden and aralquiliden-bis-halºgeno-carboxºlico (Machine-translation by Google Translate, not legally binding)
Procedure for the protection of metals by electrolytic way through protective layers against corrosion (Machine-translation by Google Translate, not legally binding)