Patents Assigned to Cabot Corp
  • Patent number: 4722756
    Abstract: Disclosed is a process for the reduction of oxygen content in tantalum and/or columbium-containing material comprising heating the material under a hydrogen atmosphere in the presence of an oxygen-active metal.
    Type: Grant
    Filed: February 27, 1987
    Date of Patent: February 2, 1988
    Assignee: Cabot Corp
    Inventor: Robert A. Hard