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. 25, 2014
Filed:
Sep. 25, 2012
Yoshinori Yamashita, Kakegawa, JP;
Daisuke Oki, Kakegawa, JP;
Mai Huong Tran, Kakegawa, JP;
Takuya Sato, Kakegawa, JP;
Yoshinori Yamashita, Kakegawa, JP;
Daisuke Oki, Kakegawa, JP;
Mai Huong Tran, Kakegawa, JP;
Takuya Sato, Kakegawa, JP;
Cataler Corporation, Shizuoka, JP;
Abstract
An exhaust gas-purifying system for purifying exhaust gas discharged from a diesel engine includes a diesel oxidation catalyst through which the exhaust gas passes, a diesel particulate filter which includes a filter substrate and an active component supported by the filter substrate and exhibiting a catalytic activity for selective catalytic reduction and through which the exhaust gas having passed through the diesel oxidation catalyst penetrates, and an ammonia slip catalyst which includes a zeolite whose alkaline metal ions are partially exchanged with transition metal ions and through which the exhaust gas having penetrated the diesel particulate filter passes.