US Patent Issued to Kunzler Biomedical on March 3 for "Dual-phase zwitterionic monomers" (New York, Pennsylvania Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,554, issued on March 3, was assigned to Kunzler Biomedical LLC (Canandaigua, N.Y.).

"Dual-phase zwitterionic monomers" was invented by Jay Friedrich Kunzler (Webster, N.Y.) and Siddhesh Pawar (Lancaster, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Hydrogel materials used in the manufacture of biocompatible medical devices, for example, hydrogel materials having desirable physical properties for use as a contact lens. A composition contains at least one vinyl containing monomer, a methacrylate(acrylate) monomer, methacrylate (acrylate) prepolymers, crosslinking agents and monomers having the structure as shown in Formula 1:where R1 is a vinyl ...