ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,831, issued on April 14, was assigned to Dionex Corp. (Sunnyvale, Calif.).
"Latex hyperbranched anion exchangers" was invented by Aleksandra Zatirakha (San Jose, Calif.) and Christopher A. Pohl (Union City, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making modified latex particles, wherein the particles comprise condensation polymers bonded to functional groups on the latex particles and the method for forming the condensation polymer comprises reacting the amino groups present on the latex particles with (i) at least a first polyfunctional compound, having at least two functional moieties reactive with said functional group...