US Patent 7514143 Re-peelable pressure-sensitive adhesive sheet

Patent 7514143 was granted and assigned to Nitto Denko on April, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Nitto Denko

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7514143

Date of Patent

April 7, 2009

Patent Application Number

10912615

Date Filed

August 5, 2004

Patent Citations Received

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US Patent 12071570 Multilayer tape constructions for low-temperature vibration damping with tunable adhesion

Patent Primary Examiner

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D. Lawrence Tarazano

Patent abstract

The re-peelable pressure-sensitive adhesive sheet of the invention is a re-peelable pressure-sensitive adhesive sheet, which comprises an adhesive layer formed over a base film, and which further comprises at least one intermediate layer between the base film and the adhesive layer, the intermediate layer having a storage elastic modulus (G′) of 3.0×104 to 1.0×108 Pa at 23° C. and a storage elastic modulus (G′) of 1.0×103 to 8.0×104 Pa at 200° C.