Patents Examined by O. R. Hertz
  • Patent number: 4330514
    Abstract: This invention relates to hydroxyapatite, ceramic material, implant material and a process for preparing thereof. The ceramic material is hydroxyapatite ceramic having an excellent thermal stability.
    Type: Grant
    Filed: September 19, 1980
    Date of Patent: May 18, 1982
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hirosi Nagai, Yasushi Nishimura