Plastic container having a high resistance to chemical attack and method of making same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 30, 2000
Grant Date -
N/A
app pub date -
Feb 27, 1998
filing date -
Jul 5, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A plastic container has a high resistance to chemical attack and is made by a method including extruding and inflating a tube in a single operation by a coextrusion blow molding process to form a hollow plastic body. The tube consists of an outer layer made of glycol-modified polyethylene terephthalate (PETG) and an inner layer made of polyethylene terephthalate (PET), polyethylene naphthalate (PEN) or a mixture thereof. Selection of the foregoing materials and layers allows the plastic body for the container to be made in a single operation by coextrusion blow molding.
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