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:
Oct. 23, 2007
Filed:
Jul. 02, 2002
Masahiro Hosoi, Matsuyama, JP;
Kazuo Yahata, Matsuyama, JP;
Junichi Shibata, Matsuyama, JP;
Takeshi Yamasaki, Tokyo, JP;
Tomomi Yukumoto, Tokyo, JP;
Masahiro Hosoi, Matsuyama, JP;
Kazuo Yahata, Matsuyama, JP;
Junichi Shibata, Matsuyama, JP;
Takeshi Yamasaki, Tokyo, JP;
Tomomi Yukumoto, Tokyo, JP;
Teijin Chemicals Ltd., Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A wound laminate obtained by laminating a plastic film composed of an aromatic polycarbonate comprising bisphenol A as an aromatic dihydroxy component, and a protective film composed of an aromatic polyester, using an intervening adhesive having a weak adhesive strength of 3-50 gf (0.0294-0.49 N), and winding the laminate. The wound laminate is used as a transparent protective layer (protective film) for an optical disk to fabricate a film surface side-incident optical disk.