Stabilized metallocene polypropylene
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United States of America Patent
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Jun 8, 2004
Grant Date -
Jun 20, 2002
app pub date -
Oct 9, 2001
filing date -
Oct 17, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A composition containing polypropylene prepared by polymerization over a metallocene catalyst or a polypropylene copolymer prepared by polymerization over a metallocene catalyst, and a stabilizer mixture comprising (A) for example the compound of the formula (A-I-1-a) ##STR1## wherein n.sub.1 is a number from 2 to 20; and (B) for example the compound of the formula (B-I-2-a); ##STR2##
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