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.:
Date of Patent:
Jun. 11, 2024
Filed:
Nov. 17, 2020
Applicant:
Seoul National University R&db Foundation, Seoul, KR;
Inventors:
Seung Hwan Ko, Seoul, KR;
Jaeho Shin, Incheon, KR;
Seong Min Jeong, Seoul, KR;
Jinmo Kim, Seoul, KR;
Joonwha Choi, Seoul, KR;
Assignee:
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/42 (2006.01); A41D 13/11 (2006.01); A61L 2/10 (2006.01); A62B 23/02 (2006.01); B01D 46/00 (2022.01); B01D 46/54 (2006.01);
U.S. Cl.
CPC ...
B01D 46/4227 (2013.01); A41D 13/11 (2013.01); A61L 2/10 (2013.01); A62B 23/025 (2013.01); B01D 46/0028 (2013.01); B01D 46/543 (2013.01); A61L 2202/11 (2013.01); B01D 2279/40 (2013.01);
Abstract
A mask according to an embodiment of the present disclosure may adjust permeability thereof by including and using an air filter unit which is capable of expanding or contracting, in at least one direction, a filter for filtering particles contained in air passing through the mask by pores.