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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 12384905 B1

PDFFull Text
Date of Patent:
Aug. 12, 2025

Filed:

Jul. 25, 2017

Multi-layer containers

Applicant:

Greif International Holding B.v., Amstelveen, NL;

Inventor:

Guido Barion, Sorisole, IT;

Assignee:

Greif International Holding B.V., Amstelveen, NL;

Attorneys:

Erik J. Overberger

Rankin Hill & Clark, LLP

Primary Examiner:

Marc A Patterson

Int. Cl.
CPC ...
B32B 1/02 (2006.01); B29C 49/22 (2006.01); B29C 49/42 (2006.01); B32B 7/10 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B65D 1/02 (2006.01); C08L 23/04 (2006.01); C08L 23/06 (2006.01); B29C 49/04 (2006.01); B29K 23/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
C08L 23/06 (2013.01); B29C 49/22 (2013.01); B29C 49/4278 (2013.01); B29C 49/4284 (2013.01); B32B 7/10 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B65D 1/0215 (2013.01); C08L 23/04 (2013.01); B29C 49/04 (2013.01); B29K 2023/08 (2013.01); B29L 2031/712 (2013.01); B32B 2250/03 (2013.01); B32B 2250/242 (2013.01); B32B 2250/40 (2013.01); B32B 2270/00 (2013.01); B32B 2272/00 (2013.01); B32B 2307/21 (2013.01); B32B 2307/558 (2013.01); B32B 2307/714 (2013.01); B32B 2307/7242 (2013.01); B32B 2439/40 (2013.01); C08L 2201/04 (2013.01); C08L 2203/16 (2013.01); C08L 2205/03 (2013.01); C08L 2205/035 (2013.01); C08L 2205/08 (2013.01); C08L 2207/062 (2013.01); C08L 2207/20 (2013.01); Y02P 70/10 (2015.11);
Abstract

A multi-layer container may include: a barrier layer made of polymer blend composition and at least one further layer including high density polyethylene. The polymer blend composition may include: 78-92% by weight of a homopolymer or copolymer of ethylene; 3-10% by weight of a polyamide homopolymer; 5-10% by weight of maleic anhydride grafted polyethylene; and 0-2% by weight of a first antistatic compound on a total weight of the polymer blend composition, in combination with first additives. The multi-layer container may have a thickness greater than or equal to 1.5 millimeters (mm) and less than or equal to 2.5 mm, a volume greater than or equal to 800 liters and less than or equal to 1,200 liters, or both.

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