- 专利标题： USE OF CERIUM OXIDE FOR THE PREPARATION OF A LEAN NOX TRAP CATALYTIC COMPOSITION AND A METHOD OF TREATMENT OF AN EXHAUST GAS USING THE COMPOSITION
-
申请号： US17417449申请日： 2019-12-19
-
公开(公告)号： US20220118427A1公开(公告)日： 2022-04-21
- 发明人: Naotaka OHTAKE , Kaoru NISHIMURA , Toshihiro SASAKI , Mitsuhiro OKAZUMI
- 申请人： RHODIA OPERATIONS
- 申请人地址： FR Aubervilliers
- 专利权人： RHODIA OPERATIONS
- 当前专利权人： RHODIA OPERATIONS
- 当前专利权人地址： FR Aubervilliers
- 优先权： EP18306865.9 20181228
- 国际申请： PCT/EP2019/086206 WO 20191219
- 主分类号： B01J23/10
- IPC分类号： B01J23/10 ; B01J37/08 ; B01J35/10 ; B01J23/44 ; B01J27/232 ; B01D53/94 ; F01N3/20
摘要：
The present invention relates to the use of a resistant cerium oxide for the preparation of Lean NOx Trap catalytic composition. The invention also relates to such catalytic composition and to a method of treatment of an exhaust gas to decrease the NOx content using said catalytic composition.