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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.:

US 9511329 B1

PDFFull Text
Date of Patent:
Dec. 06, 2016

Filed:

Apr. 01, 2015

High flux high efficiency nanofiber membranes and methods of production thereof

Applicant:

The Research Foundation for the State University of New York, Albany, NY (US);

Inventors:

Benjamin Chu, Stony Brook, NY (US);

Benjamin S. Hsiao, Stony Brook, NY (US);

Hongyang Ma, Stony Brook, NY (US);

Assignee:

The Research Foundation for The State University of New York, Albany, NY (US);

Attorney:

The Farrell Law Firm, P.C.

Primary Examiner:

Joseph Drodge

Assistant Examiner:

Clare Perrin

Int. Cl.
CPC ...
B01D 39/00 (2006.01); B01D 39/14 (2006.01); B01D 71/10 (2006.01); C08J 7/04 (2006.01); B01D 69/10 (2006.01); B01D 39/16 (2006.01); B01D 39/18 (2006.01); B01D 67/00 (2006.01); B01D 71/12 (2006.01); D01D 5/00 (2006.01); D01F 2/00 (2006.01); D01F 2/24 (2006.01); D06M 13/123 (2006.01); D06M 15/263 (2006.01); D06M 17/00 (2006.01); B01D 71/38 (2006.01); B01D 24/00 (2006.01); C08F 2/46 (2006.01); C08J 7/18 (2006.01); B05D 5/00 (2006.01);
U.S. Cl.
CPC ...
B01D 69/10 (2013.01); B01D 39/1615 (2013.01); B01D 39/1623 (2013.01); B01D 39/18 (2013.01); B01D 67/0002 (2013.01); B01D 71/12 (2013.01); B01D 71/38 (2013.01); D01D 5/0084 (2013.01); D01F 2/00 (2013.01); D01F 2/24 (2013.01); D06M 13/123 (2013.01); D06M 15/263 (2013.01); D06M 17/00 (2013.01); B01D 2239/025 (2013.01); B01D 2239/0478 (2013.01); B01D 2239/0631 (2013.01); B01D 2239/0654 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1208 (2013.01); B01D 2239/1216 (2013.01); B01D 2239/1233 (2013.01); B01D 2323/39 (2013.01); Y10T 428/2495 (2015.01); Y10T 428/249921 (2015.04);
Abstract

A membrane is provided including a coating layer having cellulose nanofibers produced from oxidized cellulose microfibers and an electrospun substrate upon which the coating layer is applied. The nanofibers of the electrospun substrate have a diameter greater than that of the cellulose nanofibers. The membrane also has non-woven support upon which the electrospun substrate is disposed. Microfibers of the non-woven support have a diameter greater than that of the nanofibers of the electrospun substrate. Application of electrospun membrane is in microfiltration area, while the cellulose nanofiber membrane serves in ultrafiltration, nanofiltration, and reverse osmosis after chemical modification.

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