Title:
【発明の名称】排気ガス浄化用触媒の製造法
Document Type and Number:
Japanese Patent JP3309971
Kind Code:
B2
Abstract:
In a method of manufacturing an exhaust gas purifying catalyst, a carrier of heat-resistant alloy steel containing aluminum is initially prepared as a metallic carrier. A first alumina slurry containing fine particles of hydrated alumina and water is then coated on the surface of the metallic carrier and is in turn dried and calcined so that a first alumina layer may be formed on the surface of the metallic carrier. Thereafter, a second alumina slurry containing gamma-alumina particles, hydrated alumina and water is coated on the surface of the first alumina layer and is in turn dried and calcined so that a second alumina layer may be formed on the surface of the first alumina layer.
Inventors:
Shigeru Yazaki
▲吉▼野 康隆
Kazunori Ihara
Kenji Ohkubo
▲吉▼野 康隆
Kazunori Ihara
Kenji Ohkubo
Application Number:
JP31253190A
Publication Date:
July 29, 2002
Filing Date:
November 16, 1990
Export Citation:
Assignee:
Tokyo Filter Co., Ltd.
Mazda Corporation Inc
Mazda Corporation Inc
International Classes:
B01D53/94; B01J21/04; B01J23/40; B01J23/56; B01J23/63; B01J23/86; B01D53/86; B01J37/02; (IPC1-7): B01J37/02; B01D53/86; B01J21/04; B01J23/63; B01J23/86
Domestic Patent References:
| JP5851938A | ||||
| JP62237944A |
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)