Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shigeru Komeda0
Yoshinori Takegawa0
Katsuhiko Nose0
Katsuya Ito0
Norimi Tabota0
Satoshi Hayakawa0
Date of Patent
July 6, 2010
Patent Application Number
10482870
Date Filed
July 10, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
In heat-shrinkable polyester films, the content of 1,4-cyclohexane dimethanol is 10 to 50% by mole based on the polyhydric alcohol component and that the heat shrinkage factors of a 10 cm square sample of the films in (A) hot water of 75° C., (B) hot water of 85° C., and (C) hot water of 95° C. are 30 to 40%, 50 to 60%, and 65 to 77%, respectively. The films can be produced by drawing under specified conditions.
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