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:
Dec. 17, 2013
Filed:
May. 12, 2010
Yoshihiko Inoue, Yokohama, JP;
Tetsuro Ikeda, Yokohama, JP;
Yoshihiko Inoue, Yokohama, JP;
Tetsuro Ikeda, Yokohama, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
The object of the present invention to provide an ethylene-unsaturated ester copolymer film used for forming a laminate, which is provided with emboss having effect on prevention on blocking during storage of the film, and which has good tackiness that is required for alignment in a laminating step. A filmfor forming a laminate, which is formed from a composition comprising an ethylene-unsaturated ester copolymer and has emboss only on one surfaceof the film, wherein a surfaceopposite to the surface having emboss is provided with a fine asperity, the surfaceprovided with the fine asperityhaving a surface roughness profile with a mean spacing between peaks (Sm) of 600 to 1600 μm and an arithmetical mean roughness (Ra) of 1.2 to 2.2 μm.