Patents Assigned to Paper Chemistry Consulting Laboratory, Inc.
  • Patent number: 5373229
    Abstract: A method for measuring a pressure dependent characteristic of a dispersion of a solid material in a fluid, comprising passing the fluid through a screen until a pad of the solid material is formed on the screen and, thereafter, measuring said characteristic, characterised in that the pressure on the screen side of the pad is maintained at a predetermined value, with respect to the pressure on the opposing side of the pad, during a measurement of the characteristic.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: December 13, 1994
    Assignee: Paper Chemistry Consulting Laboratory, Inc.
    Inventor: John G. Penniman