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:
Nov. 04, 2025

Filed:

May. 12, 2023
Applicant:

Georgia Tech Research Corporation, Atlanta, GA (US);

Inventors:

Haiping Gao, Atlanta, GA (US);

Yongsheng Chen, Marietta, GA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/56 (2023.01); B82Y 30/00 (2011.01); C02F 1/44 (2023.01);
U.S. Cl.
CPC ...
C02F 1/442 (2013.01); B82Y 30/00 (2013.01); C02F 1/56 (2013.01);
Abstract

The present disclosure provides for a membrane comprising a substrate, an interlayer, and a polymer layer, wherein the interlayer is disposed on a surface of the substrate and the polymer layer is disposed on a surface of the interlayer opposite the substrate, further wherein the substrate comprises a thermoplastic, the interlayer comprises a two-dimensional nanomaterial and cellulose nanocrystals (CNC), and the layer comprises a polymer. Further provided herein is a method of water filtration comprising filtering a water mixture through the membrane as disclosed herein. Additionally, a method of separating a first solute and a second solute is provided. Further provided herein is a method of per- and polyfluoroalkyl substance (PFAS) removal comprising filtering a substance comprising PFAS through the membrane as disclosed herein, resulting in a retentate and a permeate.


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