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.:
Date of Patent:
Oct. 24, 2023
Filed:
Apr. 07, 2020
Applicant:
Dongwon Systems Corporation, Seongnam-si, KR;
Inventors:
Assignee:
DONGWON SYSTEMS CORPORATION, Seongnam-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 65/46 (2006.01); B32B 7/022 (2019.01); B32B 7/12 (2006.01); B32B 27/10 (2006.01); B65D 65/40 (2006.01); B32B 27/32 (2006.01); B32B 27/28 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
B65D 65/466 (2013.01); B32B 7/022 (2019.01); B32B 7/12 (2013.01); B32B 27/10 (2013.01); B65D 65/40 (2013.01); B32B 2250/02 (2013.01); B32B 2307/718 (2013.01); B32B 2307/7163 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/732 (2013.01); B32B 2307/748 (2013.01); B32B 2439/70 (2013.01);
Abstract
A laminated film for an eco-friendly packaging material, according to one embodiment, comprises: a paper layer for blocking oxygen and moisture; and a film layer that can be biodegraded or biologically disintegrated by means of at least one from among microorganisms, moisture, oxygen, light and heat, wherein the oxygen transmission rate of the laminated film can be 0.01-1 cc/mper day, and the moisture transmission rate thereof can be 0.01-1 cc/mper day.