US Patent Issued on Feb. 10 for "Filter containing pharmaceutical salt for a face mask, breathable face mask containing the filter, and method of manufacturing" (Michigan Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,603, issued on Feb. 10.

"Filter containing pharmaceutical salt for a face mask, breathable face mask containing the filter, and method of manufacturing" was invented by Lisa Semerly (Okemos, Mich.) and Jacqueline Semerly (Okemos, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter which includes a layer of non-woven material infused with or containing particles of pharmaceutical salt and optionally essential oil for use in a face mask, is provided. The particles can be infused by a halogenerator. The filter can be placed in a pocket on an exterior side of a facial section, or otherwise attached to the facial section of the face mask. The s...