Patents Assigned to OST-Developpment
  • Method of manufacture of a material for osteoplasty from a natural bone tissue and material obtained thereby
    Patent number: 5585116
    Abstract: Osteoplasty material substantially devoid of antigenic proteins, wherein the material contains a natural bone structure in which non-denatured type I collagen is integrated, is prepared by selective extraction of bone tissue of human or animal origin. The selective extractant is an aqueous solution of 2-10 molar urea, and the extraction step is conducted at preferably 10.degree.-30.degree. C.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: December 17, 1996
    Assignee: OST-Developpment
    Inventors: Robert Boniface, Michel Faurie, Pablo Goldschmidt, Jean-Pierre Lontrade, Jacques Luyckx