METHOD FOR THE DIRECT PRODUCTION OF POLYESTER ARTICLES FOR PACKAGING PURPOSES AND ARTICLES OBTAINED THEREFROM
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United States of America Patent
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N/A
Issued Date -
Oct 29, 2009
app pub date -
Mar 29, 2007
filing date -
Mar 29, 2006
priority date (Note) -
Abandoned
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Abstract
and a degassing step consisting in essentially applying a vacuum to the previously obtained polymer melt to cause a removal of low molecular weight substances present and formed, of non reacted reactive substance(s) and inert substance(s) added during previous step before the so obtained polymer melt is directly converted into the desired articles.
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