The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 06, 2010
Filed:
Jul. 10, 2002
Satoshi Hayakawa, Inuyama, JP;
Norimi Tabota, Inuyama, JP;
Yoshinori Takegawa, Ohtsu, JP;
Katsuya Ito, Ohtsu, JP;
Shigeru Komeda, Osaka, JP;
Katsuhiko Nose, Osaka, JP;
Satoshi Hayakawa, Inuyama, JP;
Norimi Tabota, Inuyama, JP;
Yoshinori Takegawa, Ohtsu, JP;
Katsuya Ito, Ohtsu, JP;
Shigeru Komeda, Osaka, JP;
Katsuhiko Nose, Osaka, JP;
Toyo Boseki Kabushiki Kaisha, Osaka-Shi, JP;
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.