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:
Mar. 17, 2026
Filed:
Jun. 22, 2021
Applicant:
Toray Advanced Materials Korea Inc., Gumi-si, KR;
Inventor:
Dae Won Lee, Gumi-si, KR;
Assignee:
TORAY ADVANCED MATERIALS KOREA INC., Gumi-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 7/02 (2019.01); D04H 3/007 (2012.01); D04H 3/03 (2012.01); D06N 3/00 (2006.01); D06N 3/12 (2006.01);
U.S. Cl.
CPC ...
B01D 39/1623 (2013.01); B32B 5/022 (2013.01); B32B 5/269 (2021.05); B32B 7/02 (2013.01); D04H 3/007 (2013.01); D04H 3/03 (2013.01); D06N 3/0011 (2013.01); D06N 3/0013 (2013.01); D06N 3/0038 (2013.01); D06N 3/0059 (2013.01); D06N 3/0084 (2013.01); D06N 3/12 (2013.01); B01D 2239/0435 (2013.01); B01D 2239/0478 (2013.01); B01D 2239/0618 (2013.01); B01D 2239/0622 (2013.01); B01D 2239/0627 (2013.01); B01D 2239/065 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1233 (2013.01); B32B 2250/03 (2013.01); B32B 2250/20 (2013.01); B32B 2250/40 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/16 (2021.05); B32B 2307/20 (2013.01); D06N 2209/04 (2013.01); D06N 2211/30 (2013.01); D10B 2321/022 (2013.01); D10B 2505/04 (2013.01);
Abstract
The present invention relates to a positively charged filter material with excellent ability for removing charged particles efficiently, and a method for producing the same, and more specifically to a positively charged filter material having the ability to selectively remove efficiently, in water, negatively charged organic/inorganic particles, heavy metal ions and pathogenic microorganisms, and a method for producing the same.
Lee, Dae. (2026). Positively charged filter material with ability for removing charged particles efficiently, and method for producing same (U.S. Patent No. 12576353). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12576353
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile