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:
Jul. 23, 1991
Filed:
Jun. 05, 1989
Applicant:
Inventors:
Kunio Yikai, Tokyo, JP;
Hiroaki Kanazawa, Kita-ku, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03C / ;
U.S. Cl.
CPC ...
55124 ; 55126 ; 55136 ; 55152 ;
Abstract
An air cleaner and an air filter for removing charged ozone in the air includes an air filter having a carbon filter for adsorbing charged ozone in an air path of the air cleaner and converting ozone adsorbed in the carbon filter to oxygen and carbon dioxide by a chemical reaction. A positive voltage is applied to the carbon filter.