Patent ID: 8895640

Claim:
A composition for sealing punctures in pneumatic tires, said composition containing: (a) one or more of the group consisting of propylene glycol, comprising from 10 to 90 percent by weight of the composition, propylene-ethylene glycol blend, comprising from 10 to 90 percent by weight of the composition, and water, comprising from 10 to 90 percent by weight of the composition; (b) one or more viscosity and suspending agents selected from the group consisting of from 0.01 to 0.5 percent by weight of Xanthan gum, from 0.01 to 0.5 percent by weight of methylhydroxyethylcellulose, from 0.01 to 0.5 percent by weight of carboxymethylcellulose, from 0.05 to 1.0 percent by weight of fumed silica, and from 0.01 to 0.5 percent by weight of psyllium husk powder; (c) one or more fillers and sealing particulates selected from the group consisting of from 0.01 to 1.0 percent by weight of fine ground rubber crumb sieved to <60 microns, from 0.01 to 1.0 percent by weight of fine ground low density polyethylene sieved to <180 microns, from 0.01 to 1.0 percent by weight of ground plastics from the group composed of nylon, polypropylene, styrene and polyethyltetrahydrophtalate, from 0.1 to 2.0 percent by weight of diatomite of <60 microns diameter, from 0.01 to 1.0 percent by weight of bentonite, from 0.01 to 1.0 percent by weight of gum resin of <60 microns diameter, from 0.05 to 1.5 percent by weight of dissolved resin, from 0.1 to 3.0 percent by weight of sodium silicate; (d) one or more corrosion inhibitors selected from the group consisting of from 0.05 to 1.0 percent by weight of ammonium bicarbonate, from 0.05 to 1.0 percent by weight of sodium bicarbonate, and from 0.05 to 1.0 percent by weight of sodium borate; (e) one or more polyacrylates, in an amount of from 0.05 to 2.0 percent by weight; and (f) a preservative making up the remainder of the composition.