Containers having improved gas barrier properties
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United States of America Patent
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-
Jan 3, 1984
Grant Date -
N/A
app pub date -
Apr 25, 1983
filing date -
Apr 25, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides novel multilayer packaging materials having improved resistance to gas permeability. The present invention also provides containers which are formed from the novel packaging material. The multilayer packaing material comprises at least one film comprising polyglycolic acid and at least one film formed from a polyester comprising units derived from terephthalic acid and ethylene glycol. The containers which are provided by the present invention may be in the form of sheet, film, molded articles, such as bottles, and other such structures.
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