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:
Jul. 02, 2024

Filed:

Jul. 18, 2023
Applicants:

SK Innovation Co., Ltd., Seoul, KR;

SK Geo Centric Co., Ltd., Seoul, KR;

Inventors:

Jae Myoung Son, Daejeon, KR;

Byoung Cheon Jo, Daejeon, KR;

Joo Hyun Nam, Daejeon, KR;

Eun Jung Baek, Daejeon, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B32B 27/08 (2013.01); B32B 2250/03 (2013.01); B32B 2250/05 (2013.01); B32B 2250/242 (2013.01); B32B 2272/00 (2013.01); B32B 2307/51 (2013.01); B32B 2307/5825 (2013.01); B32B 2307/7244 (2013.01); B32B 2323/043 (2013.01); B32B 2323/046 (2013.01); B32B 2439/06 (2013.01); B32B 2439/62 (2013.01); B32B 2439/70 (2013.01);
Abstract

The present disclosure relates to a recyclable polyethylene-based laminated packaging material with openability and a method of manufacturing the same including a multi-layered polyethylene film C in which a surface layer A and a sealant layer B are bonded to each other. The sealant layer B is a layer in which a polyolefin plastomer layer b1, a mixed resin layer b2 obtained by mixing a high-density polyethylene resin and a low-density polyethylene resin, and a composition layer b3 containing a resin composition obtained by mixing medium-density polyethylene and low-density polyethylene are sequentially laminated. Also disclosed is a method of manufacturing the same.


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