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. 09, 2013
Filed:
May. 18, 2007
Applicants:
Tsuyoshi Inoue, Ibaraki, JP;
Kazuhito Okumura, Ibaraki, JP;
Hiroshi Yada, Ibaraki, JP;
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 37/00 (2006.01); B32B 7/12 (2006.01); B32B 15/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for protecting a surface of a metal layer or a metal oxide layer including providing a protective film containing a base material and a pressure-sensitive adhesive layer formed thereon, wherein the surface of the pressure-sensitive adhesive layer has a contact angle with methylene iodide as measured just after contact, θ, of 70° or smaller and a change in contact angle with methylene iodide through 30-second standing, Δθ, of 8% or less.