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:
Aug. 24, 2004
Filed:
Jun. 26, 2002
Shigemi Majima, Kyoto, JP;
Mikio Kusunoki, Kyoto, JP;
Akira Menju, Kyoto, JP;
Yukiko Inui, Kyoto, JP;
Norikazu Matsui, Kyoto, JP;
Masanobu Hioki, Kyoto, JP;
Unitika Ltd., Hyogo, JP;
Abstract
A polyester film for metal sheet laminating. The film comprises a blend of (I) polybutylene terephthalate or a polyester comprising it as the main ingredient with (II) polyethylene terephthalte or a polyester comprising it as the main ingredient, the contents of the polyester (I) and the polyester (II) being 80 to 40 wt % and 20 to 60 wt %, respectively. This film has a melting point of 200 to 223° C. attributable to the polyester (I) and a melting point of 230 to 256° C. attributable to the polyester (II). The film as a whole has an intrinsic viscosity of 0.75 or higher.