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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 12505762 B1

PDFFull Text
Date of Patent:
Dec. 23, 2025

Filed:

Oct. 31, 2024

Linerless wash off label

Applicant:

Upm Raflatac Oy, Tampere, FI;

Inventors:

Katarzyna Wojtuś, Helsinki, FI;

Juha Kivimäki, Helsinki, FI;

Malgorzata Huaman, Helsinki, FI;

Assignee:

UPM Raflatac Oy, Tampere, FI;

Attorney:

Nixon Peabody LLP

Primary Examiner:

Elizabeth E Mulvaney

Int. Cl.
CPC ...
B32B 7/12 (2006.01); B65D 25/20 (2006.01); C09J 5/00 (2006.01); C09J 7/21 (2018.01); C09J 7/38 (2018.01); G09F 3/00 (2006.01); G09F 3/10 (2006.01); G09F 3/02 (2006.01);
U.S. Cl.
CPC ...
G09F 3/0291 (2013.01); B32B 7/12 (2013.01); B65D 25/205 (2013.01); C09J 5/00 (2013.01); C09J 7/21 (2018.01); C09J 7/385 (2018.01); G09F 3/10 (2013.01); C09J 2203/334 (2013.01); C09J 2301/204 (2020.08); C09J 2301/302 (2020.08); C09J 2301/408 (2020.08); C09J 2301/41 (2020.08); C09J 2301/502 (2020.08); G09F 2003/0241 (2013.01); G09F 2003/0242 (2013.01);
Abstract

A linerless wash-off label () comprising a paper-based face () and pressure sensitive adhesive () is provided. The paper-based face () comprises a base paper () and a release layer (), and the release layer () and the pressure sensitive adhesive () are arranged on opposite sides of the base paper (). The pressure sensitive adhesive () comprises a water-based acrylic emulsion polymer composition, the pressure sensitive adhesive () is sensitive to washing conditions, and the base paper () comprises wet strength resin and has water absorptiveness of from 10 to 30 g/mwhen measured according to an ISO standard 535 (contact time 60 s). Further, a label product roll comprising the linerless wash-off labels (100) as well as a labelled item comprising an item and a linerless wash-off () label are provided. Still further, use of the linerless wash-off label () and method of manufacturing a linerless wash-off label web for providing the linerless label product roll are provided.

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