Patents Examined by Richard D. Levering
  • Slurry for centrifugal classification of colloidal particles
    Patent number: 4882088
    Abstract: Removal of classified particles from the classifier apparatus is simplified by the addition of a polymeric dispersant in the slurry, added in an amount substantially in excess of that needed to disperse the particles.
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: November 21, 1989
    Assignee: Ceramics Process Systems Corp.
    Inventor: Bruce E. Novich