Invention Grant
- Patent Title: Zeolite, method for producing zeolite, honeycomb catalyst using zeolite, and exhaust gas purifying apparatus
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Application No.: US15573261Application Date: 2016-05-13
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Publication No.: US10195596B2Publication Date: 2019-02-05
- Inventor: Toyohiro Usui
- Applicant: IBIDEN CO., LTD.
- Applicant Address: JP Gifu
- Assignee: Ibiden Co., Ltd.
- Current Assignee: Ibiden Co., Ltd.
- Current Assignee Address: JP Gifu
- Agency: Carrier Blackman & Associates, P.C.
- Agent Joseph P. Carrier; Anne G. Sabourin
- Priority: JP2015-098376 20150513
- International Application: PCT/JP2016/064328 WO 20160513
- International Announcement: WO2016/182067 WO 20161117
- Main IPC: B01J29/76
- IPC: B01J29/76 ; B01J37/30 ; B01D53/94 ; C01B39/48 ; F01N3/10 ; B01J35/02 ; B01J35/04 ; B01J37/00 ; F01N3/28 ; C01B39/06 ; C01B39/14 ; F01N3/20
Abstract:
There is provided a zeolite which has excellent NOx purifying performance, particularly excellent NOx purifying performance after heat endurance. The zeolite has a CHA structure in which Cu and Ce are carried, and has a Cu/Al molar ratio of 0.25 to 0.48 and a Ce/Al molar ratio of 0.01 to 0.03.
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