Appeal No. 1997-1602
Application No. 08/298,088
APPENDIX
1. A cast extruded plastic film having a layer comprising a blend of about
80 to 92 percent of a polyester, 8 to 20 percent of a copolymer consisting of
ethylene and a comonomer selected from the group consisting of methyl
acrylate, ethyl acrylate, methyl methacrylate and ethyl methacrylate, and
about 1 to 5 percent of a copolymer of ethylene and a comonomer selected
from the group consisting of acrylic acid and methacrylic acid, the layer
having less than 28 percent haze, more than 50 percent gloss, a coefficient
of friction between about 0.1 and 0.8, a heat seal strength, when heat sealed
to itself at a temperature between about 240 and 270 degrees F, of at least
500 grams per inch, and a layer of metal vacuum deposited thereon, the
bond strength between the layer comprising the blend and the metal layer
being at least 300 grams per inch.
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