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:
Nov. 23, 2010
Filed:
Sep. 17, 2007
Applicants:
Yusuke Hatanaka, Haibara-gun, JP;
Tadabumi Tomita, Haibara-gun, JP;
Yoshinori Hotta, Aichi, JP;
Akio Uesugi, Haibara-gun, JP;
Inventors:
Yusuke Hatanaka, Haibara-gun, JP;
Tadabumi Tomita, Haibara-gun, JP;
Yoshinori Hotta, Aichi, JP;
Akio Uesugi, Haibara-gun, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 11/06 (2006.01); B32B 3/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a microstructure comprising an aluminum anodized film bearing through micropores, wherein a surface of the microstructure is covered with a protective film for preventing hydration of the aluminum anodized film. The microstructure may be used as a porous alumina membrane filter excellent in filtration rate and its stability with time.