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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 10464729 B1

PDFFull Text
Date of Patent:
Nov. 05, 2019

Filed:

Dec. 12, 2016

Package with peelable and non-peelable heat seals

Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Claudia Hernandez, Freeport, TX (US);

Mustafa Bilgen, Freeport, TX (US);

Assignee:

DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);

Attorney:

Husch Blackwell LLP

Primary Examiner:

Michael C Miggins

Int. Cl.
CPC ...
B65D 75/58 (2006.01); B32B 7/12 (2006.01); B32B 15/10 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 3/04 (2006.01); B65D 30/00 (2006.01); B65D 30/08 (2006.01); B65D 33/16 (2006.01);
U.S. Cl.
CPC ...
B65D 75/5855 (2013.01); B32B 3/04 (2013.01); B32B 7/12 (2013.01); B32B 15/10 (2013.01); B32B 27/08 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B65D 31/005 (2013.01); B65D 31/02 (2013.01); B65D 33/1658 (2013.01); B32B 2250/246 (2013.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2255/26 (2013.01); B32B 2270/00 (2013.01); B32B 2307/31 (2013.01); B32B 2307/4023 (2013.01); B32B 2307/412 (2013.01); B32B 2307/514 (2013.01); B32B 2307/7242 (2013.01); B32B 2307/7265 (2013.01); B32B 2307/748 (2013.01); B32B 2439/06 (2013.01); B32B 2439/70 (2013.01);
Abstract

A package, e.g., a pouch, comprising: (A) An exterior surface comprising oriented-polypropylene (OPP), and (B) An interior surface comprising a blend, in weight percent based on the weight of the blend, of: (1) From 30 to 80 wt % of a propylene-based plastomer or elastomer (PBPE), and (2) From 20 to 70 wt % of low density polyethylene (LDPE); the package further comprising (C) A peelable end seal formed by joining in a heat seal two sections of the interior surface, the heat seal having a seal strength of 1 to 4 pounds per inch (lb/in) (4.48 to 17.9 Newton (N)/25.4 millimeter (mm)), and (D) A lap seal formed by joining in a heat seal a section of the interior surface with a section of the exterior surface, the heat seal having a seal strength of greater than or equal to (≥) 15 lb/in (67.2 N/25.4 mm).

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