公开(公告)号：US20170152421A1

公开(公告)日：2017-06-01

申请号：US15321360

申请日：2015-06-24

申请人： RHODIA OPERATIONS

发明人： Naotaka OHTAKE ,  Manabu YUASA ,  Toshihiro SASAKI ,  Eisaku SUDA ,  Lauriane DALENCON

IPC分类号： C09K3/14 ,  B01J35/10 ,  B01J35/00 ,  B01D53/94 ,  B01J37/03 ,  B01J37/08 ,  B01J37/06 ,  C09G1/02 ,  B01J23/10 ,  B01J37/04

CPC分类号： C09K3/1409 ,  B01D53/944 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2066 ,  B01D2255/2068 ,  B01D2255/20715 ,  B01D2255/40 ,  B01D2255/407 ,  B01D2255/908 ,  B01J23/10 ,  B01J35/0013 ,  B01J35/002 ,  B01J35/1014 ,  B01J37/031 ,  B01J37/04 ,  B01J37/06 ,  B01J37/08 ,  C01F17/0043 ,  C01G25/006 ,  C01P2002/60 ,  C01P2004/45 ,  C01P2006/13 ,  C09G1/02 ,  C09K3/1436 ,  C09K3/1454

摘要： The present invention concerns a process for the production of metal doped cerium compositions comprising a cerium oxide and a metal oxide by precipitation. The invention also concerns metal doped cerium compositions providing high crystallites size and exhibiting high thermal stabilities, which may be used as a catalytic support or for polishing applications.

公开(公告)号：US20200087539A1

公开(公告)日：2020-03-19

申请号：US16424031

申请日：2019-05-28

申请人： RHODIA OPERATIONS

发明人： Eisaku SUDA ,  Manabu YUASA ,  Takao SEKIMOTO

IPC分类号： C09G1/02 ,  C09K3/14 ,  C01F17/00

摘要： The present invention relates to a suspension of cerium oxide particles in a liquid phase, in which said particles comprise secondary particles comprising primary particles, and a process for preparing said liquid suspension in which the cerium IV/total cerium molar ratio before precipitation is comprised between 1/10000 and 1/500000 and that the thermal treatment is being carried out under an inert atmosphere.

公开(公告)号：US20160312069A1

公开(公告)日：2016-10-27

申请号：US15104449

申请日：2014-12-16

申请人： RHODIA OPERATIONS

发明人： Eisaku SUDA ,  Manabu YUASA ,  Takao SEKIMOTO

IPC分类号： C09G1/02

CPC分类号： C09G1/02 ,  B82Y30/00 ,  B82Y40/00 ,  C01F17/0043 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/22 ,  C09K3/1409 ,  C09K3/1436 ,  C09K3/1463 ,  C09K3/1472

摘要： The present invention relates to a suspension of cerium oxide particles in a liquid phase, in which said particles comprise secondary particles comprising primary particles, and a process for preparing said liquid suspension in which the cerium IV/total cerium molar ratio before precipitation is comprised between 1/10000 and 1/500000 and that the thermal treatment is being carried out under an inert atmosphere.

摘要翻译： 本发明涉及二氧化铈颗粒在液相中的悬浮液，其中所述颗粒包含包含初级颗粒的二次颗粒，以及制备所述液体悬浮液的方法，其中沉淀前的铈IV /总铈摩尔比包括在 1/10000和1/500000，热处理在惰性气氛下进行。