Invention Grant
- Patent Title: Titania-doped zirconia as platinum group metal support in catalysts for treatment of combustion engine exhausts streams
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Application No.: US15508744Application Date: 2015-08-28
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Publication No.: US10247071B2Publication Date: 2019-04-02
- Inventor: Xiaoming Wang , Michel Deeba , Xiaolai Zheng , Sven Titlbach , Andreas Sundermann , Stephan Andreas Schunk
- Applicant: BASF CORPORATION
- Applicant Address: US NJ Florham Park
- Assignee: BASF Corporation
- Current Assignee: BASF Corporation
- Current Assignee Address: US NJ Florham Park
- Agency: Womble Bond Dickinson (US) LLP
- International Application: PCT/US2015/047386 WO 20150828
- International Announcement: WO2016/036592 WO 20160310
- Main IPC: F01N3/10
- IPC: F01N3/10 ; B01D53/94 ; B01J21/06 ; B01J21/08 ; B01J23/00 ; B01J23/10 ; B01J23/58 ; B01J23/63 ; B01J37/02 ; B01J37/03 ; B01J37/04 ; B01J37/08 ; B01J23/46 ; B01J35/10 ; B01J37/00
Abstract:
Composites of mixed metal oxides for an exhaust gas purifying catalyst comprise the following co-precipitated materials by weight of the composite: zirconia in an amount in the range of 55-99%; titania in an amount in the range of 1-25%; a promoter and/or a stabilizer in an amount in the range of 0-20%. These composites are effective as supports for platinum group metals (PGMs), in particular rhodium.
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