ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,092, issued on May 20, was assigned to UPM RAFLATAC OY (Tampere, Finland).
"Recyclable plastic label" was invented by Juha Yli-Peltola (Tampere, Finland) and Sami Kivinen (Pirkkala, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a mechanically recyclable label (1) comprising a face (2) and an adhesive (4). The face (2) comprises ethylene containing polymer and the adhesive (4) comprises pressure sensitive adhesive. The pressure sensitive adhesive comprises at least 15 wt. % of a base polymer, at least 25 wt. % of a tackifier and at least 10 wt. % of a plasticizer. The base polymer, the tackifier and the plasticizer ...