ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,702,597, issued on Aug. 11, was assigned to RKW SE (Mannheim, Germany).
"Digitally printed backsheet film" was invented by Robert Koplin (Dittenheim, Germany), Christoph Meier (Dittenheim, Germany) and Dennis Becker (Ansbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A breathable, polyolefinic, filled, stretched film. The film has a water vapor transmission rate of at least 500 g/m2 in 24 h according to ASTM D6701-01. The water column of the film is more than 300 mm according to EDANA WSP 80.6. The film has an imprint which is bonded to the film via an adhesive. The film has at least one layer in which the adhesive is integrated."
The pate...