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.)
Speller George
Original Assignee
Speller George
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Speller GeorgefiledCriticalSpeller George
Priority to ES11264ApriorityCriticalpatent/ES11264A1/es
Publication of ES11264A1publicationCriticalpatent/ES11264A1/es
Mejoras en los aparatos para el tratamiento del cobre o compuestos cobrizos para la producción de sulfato de cobre y extracción de los metales preciosos.
Perfeccionamientos introducidos en el tratamiento de los metales, ya sea para separarlos de sus minerales, para refinarlos, para hacer aleaciones o para otras operaciones análogas.