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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES2168ApriorityCriticalpatent/ES2168A1/es
Publication of ES2168A1publicationCriticalpatent/ES2168A1/es
ES2168A1882-01-241882-01-24Un procedimiento nuevo y mejorado para producir alúmina que puede servir para la fabricación del aluminio.
ExpiredES2168A1
(es)