Stock material or miscellaneous articles – Composite – Of polyester
Reexamination Certificate
2007-03-27
2007-03-27
Chen, Vivian (Department: 1773)
Stock material or miscellaneous articles
Composite
Of polyester
C428S034900, C428S035100, C428S213000, C428S215000, C428S339000, C428S910000, C525S437000, C525S444000
Reexamination Certificate
active
10508706
ABSTRACT:
The heat shrinkable film of polylactic acid-based resin used for shrink packaging, shrink bundling, shrink label and the like, can prevent shrinking in the machinery direction after stretching and can show a good appearance after shrinking. The heat shrinkable film of polylactic acid-based resin comprises at least one layer formed by using mainly a resin composition which contains polylactic acid-based resin and aliphatic polyester “A” having a melting point of 100 to 170° C. and a glass transition temperature of 0° C. or less, in which the heat shrinkable film of polylactic acid-based resin is stretched in at least one direction.
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Armstrong Kratz Quintos Hanson & Brooks, LLP
Chen Vivian
Mitsubishi Plastics Inc.
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