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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 10406793 B1

PDFFull Text
Date of Patent:
Sep. 10, 2019

Filed:

Mar. 31, 2017

High-hermeticity dual ovenable food packaging film

Applicant:

Toray Plastics (America), Inc., N. Kingstown, RI (US);

Inventors:

Adam L. Hanks, Wakefield, RI (US);

Joshua R. Cloutier, Exeter, RI (US);

Patrick Alexander Murphy, Chicago, IL (US);

Assignee:

TORAY PLASTICS (AMERICA), INC., N. Kingstown, RI (US);

Attorney:

Morrison & Foerster LLP

Primary Examiner:

Anish P Desai

Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); B29C 48/21 (2019.01); B29C 48/00 (2019.01); B29C 48/154 (2019.01); B29C 48/23 (2019.01); B29K 23/00 (2006.01); B29K 67/00 (2006.01); B29L 31/00 (2006.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01); B05D 1/26 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B29C 48/022 (2019.02); B29C 48/154 (2019.02); B29C 48/21 (2019.02); B29C 48/23 (2019.02); B32B 27/36 (2013.01); B05D 1/265 (2013.01); B29K 2023/0633 (2013.01); B29K 2023/12 (2013.01); B29K 2067/003 (2013.01); B29L 2007/008 (2013.01); B29L 2009/005 (2013.01); B29L 2031/712 (2013.01); B32B 2307/31 (2013.01); B32B 2323/046 (2013.01); B32B 2323/10 (2013.01); B32B 2553/00 (2013.01);
Abstract

Disclosed herein are dual ovenable, high-hermecticity sealable films for packaging uses, such as form-fill-and-seal packages (e.g., bags). The films disclosed herein can have hermetic seal characteristics and hot tack strength at elevated temperatures for cooking and/or reheating operations. The films disclosed herein can be made comprising a heat stable base layer (e.g., a cast, monoaxially oriented, or biaxially oriented polypropylene, polyester, or polyamide film); a heat sealable layer; and/or a lap sealable layer.

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