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:
Oct. 02, 2012
Filed:
Oct. 14, 2010
Applicants:
Kimiaki Kashiwagi, Tokyo, JP;
Kuniko Okano, Tokyo, JP;
Inventors:
Kimiaki Kashiwagi, Tokyo, JP;
Kuniko Okano, Tokyo, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 27/38 (2006.01); B32B 7/00 (2006.01); B32B 27/08 (2006.01); B32B 27/42 (2006.01); G11C 13/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electret in disclosed including a laminate. A layer (A) containing a resin (a) and a layer (B) containing a resin (b) other than the resin (a) or an inorganic substance (c) are directly laminated. The resin (a) is a fluororesin (a1), or a resin (a2) having an alicyclic structure and containing no fluorine atom. The layer (B) is disposed on the outermost surface on a side opposite to the side where electric charge is injected at the time of injecting electric charge into the laminate to form the electret.