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:
Aug. 18, 2009
Filed:
Oct. 31, 2002
Applicants:
Yoshio Terada, Osaka, JP;
Makoto Namikawa, Osaka, JP;
Inventors:
Yoshio Terada, Osaka, JP;
Makoto Namikawa, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); B32B 33/00 (2006.01); B32B 7/12 (2006.01); B32B 15/04 (2006.01); B05D 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cleaning sheet comprising: a cleaning layer; and a protective film treated with a releasing agent comprising a silicone, the protective film being provided as a separator on at least one side of the cleaning layer, wherein an amount of silicone attached to the cleaning layer when the separator is peeled off from the cleaning layer is 0.005 g/mor less as calculated in terms of polydimethylsiloxane.