公开(公告)号：US11291951B2

公开(公告)日：2022-04-05

申请号：US16099163

申请日：2017-05-17

Applicant: CATALER CORPORATION

Inventor： Yoritsugu Shino ,  Tsuyoshi Ito ,  Keisuke Murashige ,  Akio Kubota

IPC: B01D53/94 ,  B01J23/58 ,  F01N3/10 ,  F01N3/28 ,  F02B63/02 ,  B01D53/86 ,  B01J23/63 ,  B01J23/00 ,  B01J23/56 ,  B01J21/04

Abstract: An exhaust gas purifying catalyst for 2-stroke general-purpose engines, which is characterized in that: the exhaust gas purifying catalyst includes a base and a coat layer on the base; the coat layer contains noble metals and metal oxides; the noble metals include palladium and one or more elements selected from among platinum and rhodium; the zirconia content in the coat layer is 0.07 mole or less per 100 g of the metal oxides contained in the coat layer; and the total content of one or more metal oxides selected from among lanthana and alkaline earth metal oxides in the coat layer is 0.05 mole or more per 100 g of the metal oxides contained in the coat layer.