US Patent Issued to BILLERUD AKTIEBOLAG on Oct. 6 for "Corrugated board for humid conditions" (Swedish Inventor)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,554, issued on Oct. 6, was assigned to BILLERUD AKTIEBOLAG (PUBL) (Solna, Sweden).

"Corrugated board for humid conditions" was invented by Magnus Bjorklund (Hammaro, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a container having at least one wall composed of a corrugated board comprising an inner linerboard, an outer linerboard and a fluting arranged between the inner linerboard and the outer linerboard, characterized in that the hygroexpansivity in the CD of the inner linerboard is higher than the hygroexpansivity in the CD of the outer linerboard, wherein hygroexpansivity is measured according to ISO 8226-2:1990."

The p...