Patents Assigned to William B. Ellis
  • Plastic soil stabilizer composition and method of use
    Patent number: 4464200
    Abstract: A composition and method of its use for stabilizing plastic soils which composition comprises from about 25 to about 85 weight percent portland cement, from about 0 to about 75 weight percent of a filter and from about 0.1 to about 5 weight percent of a retarding agent.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: August 7, 1984
    Assignee: William B. Ellis
    Inventor: Henry H. Duval