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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12692664 B1

PDFFull Text
Date of Patent:
Jul. 28, 2026

Filed:

May. 13, 2022

Multi-ply liner for use in corrugated board

Applicant:

Stora Enso Oyj, Helsinki, FI;

Inventors:

Isto Heiskanen, Imatra, FI;

Jukka Kankkunen, Imatra, FI;

Ismo Saarinen, Lappeenranta, FI;

Jukka Lyyra, Jämsä, FI;

Juha Rvenniemi, Oriniemi, FI;

Harri Taipale, Vantaa, FI;

Hannu Heikkinen, Helsinki, FI;

Assignee:

Stora Enso OYJ, Helsinki, FI;

Attorney:

Greer, Burns & Crain, Ltd.

Primary Examiner:

Jose A Fortuna

Int. Cl.
CPC ...
D21H 27/38 (2006.01); D21F 11/12 (2006.01); D21H 11/04 (2006.01); D21H 11/06 (2006.01); D21H 11/14 (2006.01); D21H 21/16 (2006.01); D21H 27/40 (2006.01);
U.S. Cl.
CPC ...
D21H 27/40 (2013.01); D21F 11/12 (2013.01); D21H 11/04 (2013.01); D21H 11/06 (2013.01); D21H 11/14 (2013.01); D21H 21/16 (2013.01); D21H 27/38 (2013.01);
Abstract

The present invention relates to a multi-ply liner for use in corrugated board, said multi-ply liner comprising: a first ply, and a second ply, wherein said first ply comprises at least 70 wt % unbleached kraft pulp and between 5-30 wt % neutral sulfite semi chemical (NSSC) pulp based on dry weight, and wherein said second ply comprises at least 50 wt % NSSC pulp and between 5-50 wt % unbleached kraft pulp based on dry weight.

Find Patent Forward Citations

Heiskanen, Isto. (2026). Multi-ply liner for use in corrugated board (U.S. Patent No. 12692664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12692664

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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