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. 11, 2014
Filed:
Apr. 25, 2007
Hideyuki Yokota, Ohtsu, JP;
Noriaki Kato, Ohtsu, JP;
Hirofumi Ogawa, Ohtsu, JP;
Junsuke Morita, Ohtsu, JP;
Hideyuki Yokota, Ohtsu, JP;
Noriaki Kato, Ohtsu, JP;
Hirofumi Ogawa, Ohtsu, JP;
Junsuke Morita, Ohtsu, JP;
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Abstract
PURPOSE: To provide a polymeric porous hollow fiber membrane which exhibits excellent fractionation performance and excellent permeability in treatment of a variety of aqueous fluids and also shows sufficient strength when incorporated into a module or used to treat a fluid, and which is excellent in aging stability in these performances and characteristics and is also excellent in membrane performance recoverability by washing, and which is especially suitable for treatment of a polyphenol-containing beverage and is expected to effectively harmonize the flavor of such a beverage. SOLUTION: A polymeric porous hollow fiber membrane of the present invention is characterized in that This polymeric porous hollow fiber membrane is also characterized in that the adsorption of polyphenol per a surface area of 1 mdefined by the inner and outer surfaces of the membrane is from 50 to 500 mg.