Patents Assigned to Bermat S.A.
  • Lead alloy and granulate concrete containing the same
    Patent number: 4261756
    Abstract: Radiation shielding concrete is prepared using a lead alloy which will not oxidize in the presence of water. The alloy is incorporated in the cement used to prepare the concrete in powdered and granular forms. A boron containing material may also be added to the cement.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: April 14, 1981
    Assignee: Bermat S.A.
    Inventor: Max J. Bernstein