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:
Sep. 30, 2025

Filed:

Mar. 30, 2022
Applicant:

Northwestern University, Evanston, IL (US);

Inventors:

Jiaxing Huang, Wilmette, IL (US);

Murat Kadir, Broadview Heights, OH (US);

Zhilong Yu, Evanston, IL (US);

Assignee:

Northwestern University, Evanston, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 8/00 (2021.01); A61M 16/00 (2006.01); F24F 8/10 (2021.01);
U.S. Cl.
CPC ...
A61M 16/0093 (2014.02); F24F 8/10 (2021.01); A61L 2209/14 (2013.01); B01D 2257/91 (2013.01);
Abstract

Methods of capturing respiratory droplets are provided which use coatings comprising a polyelectrolyte polymer and a viscosity modifier. In embodiments, a method of capturing respiratory droplets comprises absorbing respiratory droplets on a surface of a coating, the coating comprising a polyelectrolyte polymer and a viscosity modifier, wherein absorbed droplets leave depressions in the surface of the coating. Coated substrates and coating compositions used to form the coated substrates are also encompassed.


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