US 5,213,900 AGranted

Cook-in film with improved seal strength

AssigneeW. R. Grace & Co.-Conn.

InventorSteven G. Friedrich

Life of this patent

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Abstract

Hot and cold heat seals are obtained in a multiple layer cook-in film from which packages such as bags or casings can be made wherein the films have a first food contact layer that adheres during cook-in to a contained meat product and wherein the first layer comprises a blend of a first and a second polyamide, preferably with a small amount of an antioxidant.

Claims10

Dependent claims

A multiple layer cook-in film, substantially conformable to a food contact layer, said first layer providing protein adhesion to said food product during cook in, said first layer comprising a blend of a first polyamide and a second polyamide.

Dependencies are inferred from the claim text.

Facts

Application: 07/640,200Filed 10 Jan 1991 · continuation in part
Priority: 23 Mar 1990
Granted: 25 May 1993
Term ends: Not estimatedThe source records don’t support an estimate.

Classification20 codes

B32B 27/34
Layered products comprising a layer of synthetic resin: comprising polyamides
B32B 7/12
Interconnection of layers: using interposed adhesives or interposed materials with bonding properties
B32B 27/08
As the main or only constituent of a layer, which is next to another layer of the same or of a different material: of synthetic resin
B32B 27/16
Layered products comprising a layer of synthetic resin: specially treated, e.g. irradiated

Family

Serial498,175Parent of this continuation-in-part · filed 23 Mar 1990
US 5,213,900 AThis patent

From the US filing history. Foreign family members aren’t listed.

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