Patents Assigned to Jesus Martinez Lope
  • Method for obtaining alumina from clays
    Patent number: 4342729
    Abstract: Disclosed is a method for obtaining alumina from silicates by calcining a dry mixture of the silicate and an alkali metal or ammonium salt, such as the sulphate, bisulphate, sulphite, etc. and dissolving the reaction product in water or an aqueous alkali. Hydrated alumina is precipitated from the resulting solution and calcined to alumina.
    Type: Grant
    Filed: July 17, 1980
    Date of Patent: August 3, 1982
    Assignees: Jesus Martinez Lope, Emilia Garcia Clavel
    Inventors: Emilia Garcia Clavel, Jesus Martinez Lope, Teresa Casais Alvarez