Stabilizing agent
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United States of America Patent
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May 3, 2005
Grant Date -
Jul 3, 2003
app pub date -
Jan 3, 2003
filing date -
Oct 15, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a stabilizing agent for polymers or copolymers which is a copolymer of ethylene or propylene (A) and a vinyl compound (B) having the formula: ##STR1## wherein X is O, NH or NR5; R1, R2 and R3 are each independently H, C1-C8 alkyl, C1-C8 substituted aryl; R4 is H, C1-C8 alkyl, C6-C12 cycloalkyl, C1-C10 acyl, C1-C10 acyloxy or C1-C8 alkyl ether; R5 is C1-C8 alkyl and wherein the copolymer has at least 1 mol % (B) and has an MFR2 of 1-1000 g/10 min.
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