LOW MELT FLOW RESINS FOR MEDICAL APPLICATIONS IN INJECTION-STRETCH-BLOW-MOULDING
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United States of America Patent
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Issued Date -
Mar 18, 2010
app pub date -
Jun 20, 2007
filing date -
Jun 21, 2006
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Abandoned
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Abstract
The present invention discloses a method for preparing vials, preferably medical vials, by one-stage injection-stretch-blow-moulding with a random copolymer of propylene (RCP) having a melt index of from 1 to 3 dg/min, an ethylene content of less than 3.5 wt % with respect to the weight of the RCP and wherein the preform injection temperature is of at least 210° C.
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