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. 25, 2009
Filed:
Jun. 15, 2004
Applicants:
Tomotaka Hashimoto, Fuji, JP;
Daisuke Okamura, Fuji, JP;
Inventors:
Tomotaka Hashimoto, Fuji, JP;
Daisuke Okamura, Fuji, JP;
Assignee:
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D 65/02 (2006.01); B01D 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A membrane separating method and a membrane separating device capable of preventing sludge from being accumulated on the surface of hollow fiber membranes in a membrane cartridge and having filtration performance stably sustained for a long period. The membrane cartridge formed by sticking and fixing both ends of two or more hollow fiber membranes arranged in the vertical direction is formed in such a structure that the collected state of the hollow fiber membranes on an upper side adhesive boundary surface is divided into a plurality of hollow fiber membrane bundles.