Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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Filing date
Publication date
Application filed by Hoechst AG, Farbwerke Hoechst AGfiledCriticalHoechst AG
Publication of ES252772A2publicationCriticalpatent/ES252772A2/es
Perfeccionamientos en el objeto de la patente principal número 241699 por: Procedimiento para la tostación de minerales sulfurados, consistente en un horno tubular giratorio previsto de dispositivos volteadores para la calcinación de minerales metalíferos sulfurados, como pirita de hierro, caracterizado por el hecho de que los elementos de enfriamiento están provistos de aletas que en su combinación sirven tanto para el enfriamiento como para el transporte del material.
ES0252772A1958-10-221959-10-21Procedimiento para la tostacion de minerales sulfurados
ExpiredES252772A2
(es)