Settable spotting compositions comprising cement kiln dust

  • US 7,199,086 B1
  • Filed: 11/10/2005
  • Issued: 04/03/2007
  • Est. Priority Date: 11/10/2005
  • Status: Active Grant
First Claim
Patent Images

1. A settable spotting composition comprising:

  • water;

    cement kiln dust; and

    a set retarding additive;

    wherein the settable spotting composition has a four day compressive strength of less than or equal to about 492 pounds per square inch at a temperature in the range of from about 140°

    F. to about 160°


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