Patent ID: 8496966

Claim:
A quickly dissolving carrier granule consisting of 12-40 weight- % of wood fibers having a bulk density of less than 20 pounds per cubic foot, wherein the wood fibers range from about 10 microns to about 2 mm in length and wherein at least 35 weight- % of said fibers are retained on a 50-Mesh U.S. Sieve Series screen, 50-85 weight- % of mineral filler having a bulk density of 65-75 pounds per cubic foot, the amount of said mineral filler being selected so that the weight ratio of wood fiber to mineral filler in the granule ranges from 18:82 through 25:75, and 3-12 weight- % of a dextrin binder, wherein said granule has a bulk density in the range 38-42 pounds per cubic foot, said granule passes through a 10-Mesh U.S. Sieve Series screen and is retained on a 40-Mesh U.S. Sieve Series screen, said granule has a moisture content of less than 5 weight- %, said granule has a Resistance to Attrition of at least 90%, and said granule is completely dissolved in less than 5 minutes when immersed in water.