ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,334, issued on July 28, was assigned to Kimberly-Clark Worldwide Inc. (Neenah, Wis.).
"Copolymerized superabsorbent polymers" was invented by Kaiyuan Yang (Cumming, Ga.) and Xuedong Song (Alpharetta, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are novel super absorbent materials. The super absorbent materials are copolymerized with strong or super strong ionizable monomers and bulky counter ions or select metal salts. The copolymer-based super absorbent materials have significantly improved absorbance properties. The compositions and methods described herein are useful in a variety of absorbent products."
The patent was file...