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:
Nov. 29, 2011
Filed:
Jan. 28, 2005
Tetsuo Yoshida, Gifu, JP;
Katsuyuki Hashimoto, Gifu, JP;
Ieyasu Kobayashi, Gifu, JP;
Shinji Muro, Gifu, JP;
Takeshi Ishida, Gifu, JP;
Tetsuo Yoshida, Gifu, JP;
Katsuyuki Hashimoto, Gifu, JP;
Ieyasu Kobayashi, Gifu, JP;
Shinji Muro, Gifu, JP;
Takeshi Ishida, Gifu, JP;
Teijin Dupont Films Japan Limited, Tokyo, JP;
Abstract
A thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a laminated biaxially oriented film comprising: at least one layer comprising an aromatic polyester (a); and at least one layer of a polyolefin (b) having a melting point of from 230 to 280° C.; wherein the ratio of the polyolefin (b) is from 2 to 60% based on the entire weight of the film, and the film thickness is from 1 to 10 μm.