Patents Assigned to Atochem SA la Defense
  • Composite material the characteristics of which can be modulated by preimpregnation of a continuous fiber
    Patent number: 5275883
    Abstract: A composite material the characteristics of which can be modulated by preimpregnation of a continuous fiber.It is characterized in that it is comprised of a sheath and a core consisting of continuous fibers, a powder and a filler the melting temperature of which is higher than at least the highest melting temperature of the other constituents of the material.Applicable notably in the radioelectric fields and to radomes in particular.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: January 4, 1994
    Assignees: L'Etat Francais, Atochem SA la Defense
    Inventors: Michel Leone, Robert F. Carbone, Roland A. Ganga