US Patent Issued to ZS Pharma on March 24 for "Extended use zirconium silicate compositions and methods of use thereof" (Texas Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,673, issued on March 24, was assigned to ZS Pharma Inc. (Coppell, Texas).

"Extended use zirconium silicate compositions and methods of use thereof" was invented by Donald Jeffrey Keyser (Southlake, Texas) and Alvaro F. Guillem (Lantana, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to zirconium silicate compositions having a lead content that is below 0.6 ppm and methods of manufacturing zirconium silicate at reactor volumes exceeding 200-L with a lead content below 1.1 ppm. The lead content of the zirconium silicate of this invention are within the levels that are considered acceptable for extended use given th...