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.

Date of Patent:
Mar. 21, 2023

Filed:

Jan. 29, 2019
Applicant:

National University Corporation Kobe University, Hyogo, JP;

Inventors:

Keizo Nakagawa, Hyogo, JP;

Misato Kunimatsu, Hyogo, JP;

Tomohiro Sera, Hyogo, JP;

Takuji Shintani, Hyogo, JP;

Tomohisa Yoshioka, Hyogo, JP;

Hideto Matsuyama, Hyogo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 71/82 (2006.01); B01D 69/10 (2006.01); B01D 69/12 (2006.01); B01D 69/14 (2006.01); B01D 71/02 (2006.01);
U.S. Cl.
CPC ...
B01D 71/82 (2013.01); B01D 69/105 (2013.01); B01D 69/12 (2013.01); B01D 69/148 (2013.01); B01D 71/024 (2013.01); B01D 2323/36 (2013.01); B01D 2325/02 (2013.01); B01D 2325/16 (2013.01); B01D 2325/20 (2013.01); B01D 2325/24 (2013.01);
Abstract

The objective of the present invention is to provide a composite separation membrane which is excellent in not only a liquid permeable performance and a separation performance relatively but also a durability and which is particularly useful as a membrane for liquid treatment, and a method for treating a liquid by using the composite separation membrane. The composite separation membrane according to the present invention is characterized in comprising a supporting base material and a complex layer, wherein the complex layer is placed on the supporting base material, the complex layer comprises oxidized metal nanosheets, graphene oxide and an alkanolamine, and at least one of the alkanolamine is present between the oxidized metal nanosheets.


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