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:
Jan. 16, 2007
Filed:
Jan. 02, 2004
Dong-seok Ham, Gyeonggi-do, KR;
Hoo-kun Lee, Daejeon, KR;
Dong-Seok Ham, Gyeonggi-do, KR;
Hoo-Kun Lee, Daejeon, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A chemical filter medium for removing ozone and nitrogen oxide includes a first ozone absorption layer for mainly removing ozone having a filtering base material for removing ozone, a first nitrogen oxide absorption layer for mainly removing nitrogen oxide formed on the first ozone absorption layer that includes a filtering base material for removing nitrogen oxide, and a second ozone absorption layer formed on the first nitrogen oxide absorption layer that includes a filtering base material for removing ozone. The chemical filter medium can simultaneously remove ozone and nitrogen oxide.