Patent ID: 8507587

Claim:
A wall repair compound, comprising, from about 20 percent to about 80 percent by weight aqueous latex binder emulsion; from about 20 percent to about 70 percent by weight of an inorganic filler system, wherein the inorganic filler system is comprised of essentially 100 percent by weight synthetic inorganic filler that comprises substantially spherical synthetic particles and wherein the particles comprise a set of relatively large diameter glass bubbles and a set of relatively small ceramic microspheres, with the ratio of the median particle size of the glass bubbles to the median particle size of the ceramic microspheres being in the range of about 5:1 to about 40:1; from about 0.025 percent to about 2.5 percent by weight of at least one organic ether smoothing agent that comprises at least one ether linkage and that comprises no more than one hydroxyl group; and, less than about 0.1 percent by weight of organic polymeric thickener.