发明申请
US20180250657A1 CERIA-ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFICATION CATALYST INCLUDING CERIA-ZIRCONIA-BASED COMPOSITE OXIDE
审中-公开
基本信息:
- 专利标题： CERIA-ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFICATION CATALYST INCLUDING CERIA-ZIRCONIA-BASED COMPOSITE OXIDE
- 申请号：US15974060 申请日：2018-05-08
- 公开(公告)号：US20180250657A1 公开(公告)日：2018-09-06
- 发明人： Akira MORIKAWA , Kae KONISHI , Toshitaka TANABE , Akihiko SUDA , Masahide MIURA , Isao CHINZEI , Hiromasa SUZUKI , Akiya CHIBA , Kosuke IIZUKA
- 申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA , CATALER CORPORATION
- 申请人地址： JP Toyota-shi JP Kakegawa-shi
- 专利权人： TOYOTA JIDOSHA KABUSHIKI KAISHA,CATALER CORPORATION
- 当前专利权人： TOYOTA JIDOSHA KABUSHIKI KAISHA,CATALER CORPORATION
- 当前专利权人地址： JP Toyota-shi JP Kakegawa-shi
- 优先权： JP2013-166336 20130809
- 主分类号： B01J23/10
- IPC分类号： B01J23/10 ; C04B35/50 ; C01G25/00 ; C04B35/626 ; B01J23/00 ; B01J23/63 ; B01J35/00 ; B01J35/02 ; B01J37/00 ; B01D53/94 ; B01J37/03 ; C04B35/488 ; B01J37/12 ; B01J37/14 ; B01J37/16 ; B01J37/08
摘要：
A ceria-zirconia-based composite oxide containing a composite oxide of ceria and zirconia is provided, in which primary particles having a particle diameter of 1.5 to 4.5 μm account for, on a particle number basis, at least 50% of all primary particles in the ceria-zirconia-based composite oxide, and the molar ratio of cerium to zirconium in the ceria-zirconia-based composite oxide is between 43:57 and 55:45.
公开/授权文献:
IPC结构图谱:
| B | 作业；运输 |
| --B01 | 一般的物理或化学的方法或装置 |
| ----B01J | 化学或物理方法，例如，催化作用、胶体化学；其有关设备 |
| ------B01J23/00 | 不包含在B01J21/00组中的，包含金属或金属氧化物或氢氧化物的催化剂 |
| --------B01J23/10 | .稀土族的 |