Patents Assigned to Mitsuharu Takeuchi
  • .alpha.-Cyanoacrylate dental material and method of preparation
    Patent number: 4180913
    Abstract: A filler for an .alpha.-cyanoacrylate dental material comprising a silica powder coated with at least one solid catalyst having a weak catalytic activity to the .alpha.-cyanoacrylate. Solid catalysts include amino acids and acid-amide compounds. The dental material is prepared by mixing an .alpha.-cyanoacrylate with the filler. The mixture is applied to the tooth and a setter composition comprising a basic amine compound having a strong catalytic activity to the .alpha.-cyanoacrylate is applied to cure the dental material.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: January 1, 1980
    Assignees: Lion Hamigaki Kabushiki Kaisha, Mitsuharu Takeuchi
    Inventors: Mitsuharu Takeuchi, Satoshi Hayashi, Isao Minemoto