Thermoformable polyester-containing laminates

Details Thermoformable polyester-containing laminates Thermoformable polyester-containing laminates

2004-12-14

2009-08-04

Cole, Elizabeth M (Department: 1794)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C053S442000, C206S497000, C428S035700, C428S098000, C428S411100

Reexamination Certificate

active

07569276

ABSTRACT:
Disclosed is a thermoformable film laminate that can be useful for packaging comprising or produced from (a) a thermoformable film layer comprising or produced from a polymer composition having at least 80% by weight polyethylene terephthalate polymer, said film having an outer surface and an inner surface; (b) a film layer having a heat shrinkage of at least about 5% less than (a); (c) a heat sealable layer; and optionally, (d) an additional barrier layer.

REFERENCES:
patent: 4940634 (1990-07-01), Mueller et al.
patent: 2002/0012803 (2002-01-01), Kending
patent: 0 322 189 (1989-06-01), None
patent: WO 97/02139 (1997-01-01), None
patent: WO 02/26493 (2002-04-01), None
PCT International Search Report for International application No. PCT/US2004/042983, dated Jun. 8, 2005.

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