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.

Date of Patent:
Sep. 17, 2024

Filed:

Jul. 01, 2020
Applicant:

Sakata Inx Corp., Osaka, JP;

Inventors:

Yoichi Sato, Osaka, JP;

Kazuki Moriyasu, Osaka, JP;

Eri Ueda, Osaka, JP;

Takaaki Sano, Osaka, JP;

Assignee:

SAKATA INX CORP., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 175/06 (2006.01); B65D 65/40 (2006.01);
U.S. Cl.
CPC ...
C09J 175/06 (2013.01); B65D 65/40 (2013.01); C09J 2301/12 (2020.08); C09J 2423/101 (2013.01); C09J 2423/106 (2013.01); C09J 2431/003 (2013.01); C09J 2467/003 (2013.01); C09J 2467/006 (2013.01);
Abstract

The present invention aims to provide a packaging material having excellent printed image quality as well as excellent laminate strength and heat sealability. Provided is a packaging material including at least: a base film, a primer layer, a printed layer, an adhesive layer, and a sealant film in a stated order, the primer layer being formed of a primer composition containing a water-soluble polyvalent metal salt, a chlorinated polyolefin emulsion, and at least one selected from the group consisting of an acrylic emulsion, a vinyl acetate emulsion, and a urethane-modified polyester resin, the printed layer being formed of a printing ink containing a polyester polyurethane resin, the adhesive layer being formed of an aliphatic ester adhesive.


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