ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,371, issued on March 25, was assigned to SIO2 MEDICAL PRODUCTS LLC (Auburn, Ala.).

"SiO x barrier for pharmaceutical package and coating process" was invented by Christopher Weikart (Auburn, Ala.), John T. Felts (Alameda, Calif.), Thomas E. Fisk (Green Valley, Ariz.), Robert S. Abrams (Albany, N.Y.), John Ferguson (Auburn, Ala.), Jonathan R. Freedman (Auburn, Ala.), Robert J. Pangborn (Harbor Springs, Mich.) and Peter J. Sagona (Pottstown, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vessel including a thermoplastic wall enclosing a lumen is disclosed. The wall supports an SiOx composite barrier coating or layer, for which x is from 1.8 to ...