Title:
CATALYST FOR PURIFICATION OF EXHAUST GAS
Document Type and Number:
WIPO Patent Application WO/2011/118047
Kind Code:
A1
Abstract:
Disclosed is a catalyst for use in the purification of an exhaust gas, which can prevent the competitive adsorption of HC, CO and NOx and has such a structure that a NOx storage/reduction catalyst can be utilized efficiently. The catalyst is characterized in that both at least one NOx storage material selected from alkali metals and alkali earth metals and a NOx storage/reduction catalyst layer containing Pt and/or Rh are provided on a base material and an oxidation catalyst layer carrying Pt and/or Pd therein is provided on the NOx storage/reduction catalyst layer.
Inventors:
SHINMYO, Yusuke (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
新名祐介 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
TAKAGI, Nobuyuki (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
高木信之 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
MATSUBARA, Hiroyuki (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
新名祐介 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
TAKAGI, Nobuyuki (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
高木信之 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
MATSUBARA, Hiroyuki (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
Application Number:
JP2010/055774
Publication Date:
September 29, 2011
Filing Date:
March 24, 2010
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyotacho, Toyota-shi Aichi, 71, 〒4718571, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町１番地 Aichi, 〒4718571, JP)
SHINMYO, Yusuke (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
新名祐介 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
TAKAGI, Nobuyuki (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
高木信之 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町１番地 Aichi, 〒4718571, JP)
SHINMYO, Yusuke (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
新名祐介 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
TAKAGI, Nobuyuki (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
高木信之 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
International Classes:
B01J23/58; B01J33/00; F01N3/08; F01N3/10
Attorney, Agent or Firm:
AOKI, Atsushi et al. (SEIWA PATENT & LAW, Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, 〒1058423, JP)
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