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:
Dec. 10, 2013
Filed:
Aug. 04, 2006
Hitoshi Mizomoto, Tokyo, JP;
Junichi Shishido, Tokyo, JP;
Shinya Hamasaki, Tokyo, JP;
Hirofumi Miura, Tokyo, JP;
Hitoshi Mizomoto, Tokyo, JP;
Junichi Shishido, Tokyo, JP;
Shinya Hamasaki, Tokyo, JP;
Hirofumi Miura, Tokyo, JP;
Asahi Kasei Kabuhiki Kaisha, Osaka-Shi, JP;
Abstract
[Problems] To provide a novel hydrophilized separation membrane for use in the treatment of a liquid, which comprises an aromatic ether polymer, is less likely to be degraded by sterilization with a high energy ray and has a controlled pore size and a high water permeability. [Means for Solving Problems] A porous separation membrane for use in the treatment of a liquid which is produced by a wet film formation process using an aromatic ether polymer and a hydrophilizing agent. The separation membrane can be used for medical purposes or in a pharmaceutical of food.