Patents Assigned to Degussa Atiengesellschaft
  • Material for facing denture
    Patent number: 4863514
    Abstract: There is provided a material for dentures having metallic matrix, containing 0.5-30 volume % glass having a softening temperature above 650.degree. C. and/or ceramic particles having a maximum grain size of 40 .mu.m.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: September 5, 1989
    Assignee: Degussa Atiengesellschaft
    Inventors: Werner Groll, Josef Rothaut