Retortable extended shelf life food container
AssigneeFoster-Miller, Inc.
InventorsLeslie S. Rubin, Kent G. Blizard
Life of this patent
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Abstract
The retortable multilayer container of the present invention includes a receptacle and lid having at least a barrier layer includes an LCP film and inner food contact layer comprising at least one thermoplastic material. The receptacle has a base portion and a sidewall portion extending from the base portion defining a storage compartment. The storage compartment has a filling volume from about 0.03 to about 20 liters. The receptacle may be in the form of a tray, cup, bowl, tub or bucket. The tray may be designed as a simple tray or a multi-compartment tray. The receptacle may further have a lip portion extending from the sidewall portion providing an area for the lid to rest.
Claims22
A retortable multilayer container comprising:
- (a) a receptacle having a barrier layer comprising a thermotropic liquid crystal polymer (LCP) film and inner food contact layer comprising at least one thermoplastic material, said receptacle having a base portion and a sidewall portion extending from said base portion defining a storage compartment;
- and
- (b) a lid having a barrier layer comprising a thermotropic liquid crystal polymer (LCP) film and an inner food contact layer comprising at least one thermoplastic material.
A retortable multilayer dual ovenable container comprising:
- (a) a receptacle having an outer layer comprising CPET, an inner food contact layer comprising CPET, a barrier layer comprising a liquid crystal polymer (LCP) film formed from poly(oxvbenzoyl-co-oxynaphthoyl), said receptacle having a base portion and a sidewall portion extending from said base portion defining a storage compartment;
- and
- (b) a lid having an outer layer comprising CPET, an inner food contact layer comprising CPET and a barrier layer comprising a liquid crystal polymer (LCP) film formed from poly(oxvbenzoyl-co-oxynaphthoyl).
Dependencies are inferred from the claim text.