Title:
【発明の名称】排気ガス浄化用触媒
Document Type and Number:
Japanese Patent JP3086015
Kind Code:
B2
Abstract:
A catalyst for purifying an exhaust gas comprising a zeolite catalyst ion exchanged with cobalt and at least one alkaline earth metal and a zeolite catalyst ion-exchanged with copper, provided on an inlet side of an exhaust gas stream and an outlet side of the exhaust gas respectively, or randomly present in a mixed state.
Inventors:
Tatsushi Mizuno
Shinichi Takeshima
Kazuhiko Sekizawa
Izumi Kasahara
Shinichi Takeshima
Kazuhiko Sekizawa
Izumi Kasahara
Application Number:
JP19801891A
Publication Date:
September 11, 2000
Filing Date:
August 07, 1991
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
Tosoh Corporation
Tosoh Corporation
International Classes:
B01D53/94; B01J29/072; B01J29/72; B01J29/80; B01J35/00; B01J35/04; (IPC1-7): B01J29/072; B01D53/94
Domestic Patent References:
| JP4219144A | ||||
| JP2102742A | ||||
| JP515783A |
Attorney, Agent or Firm:
Aoki Akira (3 outside)