GENEVA, Nov. 3 -- BILLERUD AKTIEBOLAG (PUBL) (Box 703169 27 Solna) filed a patent application (PCT/EP2025/059582) for "ULTRASONIC SEALING OF PAPERBOARD" on Apr 08, 2025. With publication no. WO/2025/223828, the details related to the patent application was published on Oct 30, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): LARSSON, Johan A. (Abyggekroken 14805 98 Gavle)
Abstract: The present disclosure provides a method of ultrasonic sealing of a multi-ply paperboard, wherein the method comprises the following steps: a) providing a multi-ply paperboard comprising a first ply and a second p...