Patents by Inventor Ben K. Boyajian

Ben K. Boyajian has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Palladium-based dental alloy containing indium and tin
    Patent number: 4261744
    Abstract: A non-discoloring palladium-based alloy, free of silver or gold, suitable for fusion to dental porcelain compositions consists essentially of 75-85% by weight of Pd, 5-10% by weight of In, 5-10.5% by weight of Sn, up to 7.5% by weight of Co, Cr or Ni and up to 0.25% by weight of Si.
    Type: Grant
    Filed: October 10, 1979
    Date of Patent: April 14, 1981
    Inventor: Ben K. Boyajian