Microwavable thermoplastic containers

Details Microwavable thermoplastic containers Microwavable thermoplastic containers

1992-03-16

1993-06-15

Lesmes, George F.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 357, 428 359, 428 364, 428 365, 428 368, 428 3691, 4283197, 428515, 428521, 426107, 426127, 426415, 525 64, 525 74, 525207, 525269, 525301, B32B 108, B32B 2732, A21D 1002, C08G 6391

Patent

active

052196283

ABSTRACT:
A multi-layer container suitable for use in microwave cooking of food comprising a substrate layer of a thermoplastic polymer that is not suitable for contact with foods or hot foods, and an inner protective layer designed to contact the food, said inner layer comprising a blend of a styrene/maleic anhydride copolymer and a polymer selected from the group consisting of polystyrene, rubber modified polystyrene, polymethyl methacrylate, rubber modified polymethyl methacrylate, polypropylene, and mixtures thereof.

REFERENCES:
patent: 4505962 (1985-03-01), Lu
patent: 4579774 (1986-04-01), Kuwazuru et al.
patent: 4987170 (1991-01-01), Ishida et al.
patent: 5034449 (1991-07-01), Mallikarjun

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