Title:
CATALYST
Document Type and Number:
WIPO Patent Application WO/2013/031288
Kind Code:
A1
Abstract:
Provided is a catalyst for exhaust gas purification, the catalyst exhibiting higher exhaust gas purification properties. A catalyst containing as the catalyst carrier a complex phosphate containing yttrium and phosphorus, wherein the compositional ratio (Y/P) of yttrium relative to phosphorus is greater than 1 in molar ratio.
Inventors:
YAMAGUCHI MICHITAKA (JP)
SUGIOKA AKIKO (JP)
ASANUMA TAKAHITO (JP)
NAKAHARA YUNOSUKE (JP)
SATO TAKAHIRO (JP)
SUGIOKA AKIKO (JP)
ASANUMA TAKAHITO (JP)
NAKAHARA YUNOSUKE (JP)
SATO TAKAHIRO (JP)
Application Number:
PCT/JP2012/060933
Publication Date:
March 07, 2013
Filing Date:
April 24, 2012
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO (JP)
YAMAGUCHI MICHITAKA (JP)
SUGIOKA AKIKO (JP)
ASANUMA TAKAHITO (JP)
NAKAHARA YUNOSUKE (JP)
SATO TAKAHIRO (JP)
YAMAGUCHI MICHITAKA (JP)
SUGIOKA AKIKO (JP)
ASANUMA TAKAHITO (JP)
NAKAHARA YUNOSUKE (JP)
SATO TAKAHIRO (JP)
International Classes:
B01J27/18; B01D53/94; B01J27/185; C01B32/50; F01N3/10
Domestic Patent References:
| WO2009142180A1 | 2009-11-26 |
Foreign References:
| JPH09155196A | 1997-06-17 | |||
| JPH0655075A | 1994-03-01 | |||
| JPH11197507A | 1999-07-27 | |||
| JPH08150339A | 1996-06-11 | |||
| JP4505046B2 | 2010-07-14 |
Other References:
W. SZUSZKIEWICZ; T. ZNAMIEROWSKA, POLISH J. CHEMISTRY, vol. 63, 1989, pages 381
D. AGRAWAL; F.A. HUMMEL, J. ELECTROCHEM. SOC., vol. 127, no. 7, 1980, pages 1550
See also references of EP 2752241A4
D. AGRAWAL; F.A. HUMMEL, J. ELECTROCHEM. SOC., vol. 127, no. 7, 1980, pages 1550
See also references of EP 2752241A4
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
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Claims: