Compositions of random copolymers of propene containing an .alpha.-olefin as comonomer
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United States of America Patent
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Apr 1, 2003
Grant Date -
Nov 28, 2002
app pub date -
Aug 13, 2001
filing date -
Dec 16, 1999
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Abstract
Semicrystalline polyolefin composition comprising copolymers a), b) and c) of prolylene with at least one comonomer selected from C.sub.4 -C.sub.10.alpha.-olefins, where the total content of recurring units from the said comonomer, referred to the composition, is equal to or higher than 6% and teh respective percentages representing the content of said recurring units in each one of the copolymers a), b) and c) are different from each other, said difference being of at least 1 unit.
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