Port tube closure assembly
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United States of America Patent
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Mar 22, 2005
Grant Date -
Jul 11, 2002
app pub date -
Jan 8, 2001
filing date -
Jan 8, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a flowable material container closure assembly having a port tube and a membrane tube. The port tube (I) has a first layer and a second layer, (A) the first layer is a polymer blend and (B) the second layer is disposed coaxially within the first layer; and the membrane tube (II) is disposed coaxially within the port tube, the membrane tube has an outer layer, a core layer and an inner layer.
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