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. 16, 2013
Filed:
Mar. 06, 2008
Hiroichi Ukei, Ibaraki, JP;
Yoshio Nakagawa, Ibaraki, JP;
Osamu Degawa, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, JP;
Abstract
A release liner formed of a polypropylene resin sheet that can be highly recyclable and that can provide an excellent performance in a wide range of operating temperature is provided. A release-lined pressure-sensitive adhesive (PSA) sheet constituted with the release liner is also provided. A release-lined PSA sheetaccording to the present invention comprises a PSA sheethaving a supportand a PSA layer; and a release linerplaced on the PSA layer. The release linerhas a layered configuration formed of a layer Aformed of a polypropylene resin composition containing a nucleating agent; and a layer Bformed of a polypropylene resin composition containing no nucleating agent; wherein the two layers stacked to form the thickness of the liner.