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. 05, 2024

Filed:

Aug. 22, 2022
Applicant:

The Johns Hopkins University, Baltimore, MD (US);

Inventors:

Christopher M. Hoffman, Jr., Odenton, MD (US);

Zhiyong Xia, Rockville, MD (US);

James K. Johnson, Silver Spring, MD (US);

Assignee:

The Johns Hopkins University, Baltimore, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01); B01D 39/08 (2006.01); B01J 20/28 (2006.01); B01J 20/32 (2006.01); B01J 39/08 (2017.01); C02F 1/28 (2023.01); C02F 101/20 (2006.01); C02F 101/36 (2006.01);
U.S. Cl.
CPC ...
B01J 20/22 (2013.01); B01D 39/086 (2013.01); B01J 20/28038 (2013.01); B01J 20/3208 (2013.01); B01J 20/3221 (2013.01); B01J 20/3246 (2013.01); C02F 1/288 (2013.01); B01D 2239/0478 (2013.01); B01D 2239/0618 (2013.01); C02F 1/285 (2013.01); C02F 2101/20 (2013.01); C02F 2101/36 (2013.01);
Abstract

Contaminate-sequestering coatings including a network of hydrolyzed silane compounds including a plurality of thiol functional groups, a plurality of fluorinated functionalities, or both are provided. The contaminate-sequestering coatings may sequester one or more per- and polyfluoroalkyl substances (PFAS), heavy metals, biological species or any combination thereof. Methods of functionalizing a substrate surface with contaminate-sequestering functionalities that sequester one or more PFAS, heavy metals, or both are also provided. Methods of removing contaminants from contaminate-containing liquids, and devices including the contaminate-sequestering coatings are also provided.


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