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US 12,539,656 B2Granted
Method for producing poly-4-methyl-1-pentene with lower molecular weight
AssigneeTOYOBO MC Corporation
InventorYoshiyuki Kitagawa
Life of this patent
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Abstract
According to the method of the present invention, poly-4-methyl-1-pentene with a lower molecular weight can be easily and safely produced by mixing poly-4-methyl-1-pentene and another type of polyolefin (I) and conducting melt-stirring at a temperature equal to or higher than the melting points of both the poly-4-methyl-1-pentene and the polyolefin (I).
Claims6
A method for producing poly-4-methyl-1-pentene with a lower molecular weight, the method comprising:
- mixing poly-4-methyl-1-pentene and another type of polyolefin (I);
- and
- conducting melt-stirring at a temperature equal to or higher than the melting points of both the poly-4-methyl-1-pentene and the polyolefin (I).
Dependencies are inferred from the claim text.