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:
Aug. 25, 2020

Filed:

Jun. 23, 2017
Applicant:

Sharp Kabushiki Kaisha, Sakai, Osaka, JP;

Inventors:

Yasuhiro Shibai, Sakai, JP;

Hiroshi Onda, Sakai, JP;

Tomoya Tsutsumino, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 35/00 (2006.01); B01J 35/06 (2006.01); B01J 35/04 (2006.01); B01J 37/34 (2006.01); B01D 53/34 (2006.01); B01J 23/652 (2006.01); B01J 37/02 (2006.01); B01D 53/66 (2006.01);
U.S. Cl.
CPC ...
B01J 35/004 (2013.01); B01D 53/34 (2013.01); B01D 53/66 (2013.01); B01J 23/6527 (2013.01); B01J 35/04 (2013.01); B01J 35/06 (2013.01); B01J 37/0219 (2013.01); B01D 2255/802 (2013.01); B01D 2257/708 (2013.01); B01D 2259/802 (2013.01); B01J 37/345 (2013.01);
Abstract

The present disclosure provides a photocatalyst filter that can efficiently decompose and eliminate ozone gas or VOC and has a low ventilation resistance. The photocatalyst filter includes a sheet-like filter substrate and a photocatalyst layer supported by the filter substrate. The photocatalyst layer exhibits a photocatalytic action by receiving light having a wavelength of 400 nm or more. The photocatalyst filter has an aperture ratio of 35% or more and 80% or less.


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