ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,341, issued on Sept. 1.
"Cationic polymer biocide film apparatus and method of use thereof" was invented by Mark Oman (West Des Moines, Iowa) and Marion L. Chiattello (Cedar Falls, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention comprises a method for forming an antibacterial/antiviral material, comprising the steps of: dispensing a dose of dispensed contents from a container, the dose of dispensed contents comprising a cationic polymer, a solvent, cationic sites, and anionic sites, the cationic sites in the dose of dispensed contents comprising a total cationic charge; reducing a concentration of the solvent in the dose of dispens...