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发明名称
Catalyst for purifying exhaust gas
摘要
A catalyst for purifying an exhaust gas comprising a zeolite catalyst ion-exchanged with a transition metal, which is heat-treated in a gas stream containing a sulfur oxide, optionally followed by washing with a glycol.
申请公布号
US5141906(A)
申请公布日期
1992.08.25
申请号
US19910723306
申请日期
1991.06.28
申请人
TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人
TAKESHIMA, SHINICHI;TANAKA, TOSHIAKI;OISHI, KIYOHIKO;INOUE, TOKUTA
分类号
B01D53/94;B01J29/072
主分类号
B01D53/94
代理机构
代理人
主权项
地址
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