公开(公告)号：US20220118427A1

公开(公告)日：2022-04-21

申请号：US17417449

申请日：2019-12-19

Applicant: RHODIA OPERATIONS

Inventor： Naotaka OHTAKE ,  Kaoru NISHIMURA ,  Toshihiro SASAKI ,  Mitsuhiro OKAZUMI

IPC: B01J23/10 ,  B01J37/08 ,  B01J35/10 ,  B01J23/44 ,  B01J27/232 ,  B01D53/94 ,  F01N3/20

Abstract: 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.

公开(公告)号：US20220055017A1

公开(公告)日：2022-02-24

申请号：US17417450

申请日：2019-12-19

Applicant: RHODIA OPERATIONS

Inventor： Naotaka OHTAKE ,  Kaoru NISHIMURA ,  Toshihiro SASAKI ,  Mitsuhiro OKAZUMI

IPC: B01J23/10 ,  B01J35/02 ,  B01J35/10 ,  B01J37/03 ,  B01J37/10 ,  B01J37/18 ,  B01J6/00

Abstract: The present invention relates to cerium oxide particles that have excellent heat resistance under hydrothermal conditions at high temperature. The present invention also relates to a method for preparing such cerium oxide particles and to a catalytic composition comprising said cerium oxide.