INTERNATIONAL PATENT: BILLERUD AKTIEBOLAG (PUBL) FILES APPLICATION FOR "ULTRASONIC SEALING OF COATED PAPER OR PAPERBOARD"

GENEVA, Nov. 3 -- BILLERUD AKTIEBOLAG (PUBL) (Box 703169 27 Solna) filed a patent application (PCT/EP2025/059581) for "ULTRASONIC SEALING OF COATED PAPER OR PAPERBOARD" on Apr 08, 2025. With publication no. WO/2025/223827, 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), LINDSTROM, Ove (Strakanas 114952 91 Kalix)

Abstract: The present disclosure provides a method of ultrasonic sealing of a coated paper or paperboard, wherein the method comprises the following steps: a) prov...