排気ガス浄化用触媒 - Mazda Corporation Inc

Title:

排気ガス浄化用触媒

Document Type and Number:

Japanese Patent JP4631230

Kind Code:

B2

Abstract:

An inside layer including zeolite and an outside layer including alumina and Pd are formed in a layered shape on a carrier, and Ag and Bi are simultaneously allowed to be carried on the inside and outside layers through impregnation. Thus, production of an alloy through a reaction between Pd and Ag can be suppressed by Bi.

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Inventors:

Hisaya Kawabata
Masahiko Shigetsu
Misono Kazuo

Application Number:

JP2001235915A

Publication Date:

February 16, 2011

Filing Date:

August 03, 2001

Export Citation:

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Assignee:

Mazda Corporation Inc

International Classes:

B01J29/78; F01N3/08; B01D53/86; B01D53/94; B01J23/54; B01J23/63; B01J23/644; B01J23/68; B01J37/02; F01N3/10; F01N3/24

Domestic Patent References:

JP10158214A
JP4126547A
JP50025487A
JP4356436A
JP2000262899A
JP7213910A
JP5317701A

Attorney, Agent or Firm:

Hiroshi Maeda
Hiroshi Koyama
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Teshima Masaru
Atsushi Fujita

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