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:
May. 08, 2012

Filed:

Oct. 28, 2009
Applicants:

Gwi-nam Bae, Seoul, KR;

Seung Bok Lee, Chuncheon-si, KR;

Jong Soo Jurng, Seoul, KR;

Kil Choo Moon, Seoul, KR;

Jae Soo Rhee, Bucheon-si, KR;

Sang Woo Yom, Seongnam-si, KR;

Kil Hong Song, Seoul, KR;

Inventors:

Gwi-Nam Bae, Seoul, KR;

Seung Bok Lee, Chuncheon-si, KR;

Jong Soo Jurng, Seoul, KR;

Kil Choo Moon, Seoul, KR;

Jae Soo Rhee, Bucheon-si, KR;

Sang Woo Yom, Seongnam-si, KR;

Kil Hong Song, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/56 (2006.01); B01D 53/72 (2006.01);
U.S. Cl.
CPC ...
Abstract

A multi-functional cabin air filter includes a dust collecting filter layer for collecting fine dust; an oxidation catalyst filter layer for oxidizing nitrogen monoxide into nitrogen dioxide; and an adsorption filter layer for adsorbing nitrogen dioxide and volatile organic compounds, wherein antimicrobial nanoparticles are applied to at least one of the dust collecting filter layer, the oxidation catalyst filter layer and the adsorption filter layer. This cabin air filter has dust collecting, denitrifying, deodorizing and antimicrobial functions, and it may be utilized in various ways for air purification in a limited space such as a vehicle.


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