| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging container prevented from being deformed and having an outer appearance shape prevented from being damaged even under its use. SOLUTION: The packaging container 1 is used for storing contents having sustained-release matter. At least the portion in contact with the sustained-release matter of the contents is made of a polyolefin resin, i.e., a mixed resin made by mixing a polyolefin homopolymer resin and polyolefin copolymer resin. COPYRIGHT: (C)2009,JPO&INPIT
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