Patents Represented by Attorney, Agent or Law Firm L. Boyadjian
  • Process for producing hydroxyapatite fibers
    Patent number: 6228339
    Abstract: A process for producing hydroxyapatite fibers is disclosed. The process comprises the steps of preparing a mixture of (1) calcium metaphosphate fibers and (2) calcium oxide, calcium hydroxide and/or calcium carbonate powder; heating the mixture to convert the calcium metaphosphate to hydroxyapatite; and removing calcium oxide in the heat-treated mixture by dissolving off from the resulting mixture.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: May 8, 2001
    Assignee: Yabashi Industries Co., Ltd.
    Inventors: Yoshio Ota, Tetsushi Iwashita, Toshihiro Kasuga, Yoshihiro Abe