ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,158, issued on Sept. 29, was assigned to NOURYON CHEMICALS INTERNATIONAL B.V. (Arnhem, Netherlands).

"Anti-caking composition of sodium chlorate" was invented by Johan Lif (Deventer, Netherlands) and Kimona Haggstrom (Deventer, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A package comprises a powder composition comprising from about 97.0 to about 99.7 weight % of sodium chlorate and from about 0.3 to about 2.0 weight % of an anti-caking agent, wherein the anticaking agent is anhydrous sodium carbonate, anhydrous sodium hydrogen carbonate, sodium carbonate monohydrate or a mixture of any of the foregoing."

The patent was filed on Jun...