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SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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Publication of ES262906A1publicationCriticalpatent/ES262906A1/es
Un procedimiento para la preparación de cuerpos prensados, que comprende mezclar un mineral desde finamente dividido a granular, o mezcla de minerales, con una cantidad secundaria de betún, en particular betún de petróleo, comprimir y después calentar los cuerpos prensados en una atmósfera con preferencia no oxidante a una temperatura entre 250 y 400 ºC, con preferencia entre 300 y 350 º C.
ES0262906A1959-12-031960-12-01Un procedimiento para la preparacion de cuerpos prensados
ExpiredES262906A1
(es)