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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 11813823 B1

PDFFull Text
Date of Patent:
Nov. 14, 2023

Filed:

Mar. 09, 2020

Multilayer structure, and packaging material for retort using same

Applicant:

Kuraray Co., Ltd., Okayama, JP;

Inventors:

Kentaro Yoshida, Kurashiki, JP;

Makoto Suzuki, Kurashiki, JP;

Assignee:

KURARAY CO., LTD., Okayama, JP;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Zachary M Davis

Int. Cl.
CPC ...
B32B 27/08 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); B29C 48/21 (2019.01); B29B 17/04 (2006.01); B29C 55/00 (2006.01); B29C 55/12 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B65D 65/40 (2006.01); C08J 5/18 (2006.01); C08J 11/04 (2006.01); B29K 23/00 (2006.01); B29K 105/00 (2006.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B29B 17/04 (2013.01); B29C 48/0018 (2019.02); B29C 48/022 (2019.02); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B29C 55/005 (2013.01); B29C 55/12 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B65D 65/40 (2013.01); C08J 5/18 (2013.01); C08J 11/04 (2013.01); B29K 2023/086 (2013.01); B29K 2023/12 (2013.01); B29K 2105/0097 (2013.01); B29L 2007/008 (2013.01); B29L 2009/00 (2013.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2307/42 (2013.01); B32B 2307/518 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/732 (2013.01); B32B 2553/00 (2013.01); C08J 2323/10 (2013.01); C08J 2329/04 (2013.01); C08J 2377/00 (2013.01);
Abstract

The present invention relates to a multilayer structure at least an outer layer and an inner layer which contain a polypropylene resin as a main component, a barrier resin layer containing an ethylene-vinyl alcohol copolymer as a main component, and a metal deposited layer containing aluminum as a main component; a packaging material for a retort therewith; a method for recovering the multilayer structure; and a recovered composition comprising a recovered material of the multilayer structure. There is provided a multilayer structure exhibiting excellent recyclability and excellent appearance, gas barrier ability and shading performance both before and after retorting treatment, and a packaging material for a retort therewith.

Find Patent Forward Citations

Yoshida, Kentaro. (2023). Multilayer structure, and packaging material for retort using same (U.S. Patent No. 11813823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11813823

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

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