Patents Assigned to Coordination et Developpement de l'Innovation Societe Anonyme, en Abrege CORDI
  • Process for agglomerating compressible mineral substances under the form of powder, particles or fibres
    Patent number: 4028454
    Abstract: The invention pertains to a process for agglomerating compressible powders, particles or fibres of mineral substances, said process comprising the steps of placing at least one layer of a steam and gas pervious product on a layer of said compressible substances in which the water content is such that, after vaporization, a sufficient amount of water is still present to ensure the desired chemical reaction, then subjecting the layers to the simultaneous action of pressure and heating.
    Type: Grant
    Filed: December 31, 1974
    Date of Patent: June 7, 1977
    Assignee: Coordination et Developpement de l'Innovation Societe Anonyme en abrege Cordi
    Inventors: Joseph Davidovits, Jean Jacques Legrand
  • Process for the fabrication of sintered panels and panels resulting from the application of this process
    Patent number: 3950470
    Abstract: The invention pertains to a panel manufacturing process comprising the steps of spreading in succession on a stationary or mobile support a layer of an alkaline silicate mixture, followed by a layer of an intimate mixture of mineral or organic particles and/or fibres and of an organic bonding agent and of simultaneously compressing these layers by bringing them up to a temperature of at least 80.degree.C depending on the bonding agent used.
    Type: Grant
    Filed: October 29, 1973
    Date of Patent: April 13, 1976
    Assignee: Coordination et Developpement de l'Innovation Societe Anonyme, en Abrege CORDI
    Inventor: Joseph Davidovits