CATALYST FOR EXHAUST GAS PURIFICATION
The present invention provides an exhaust gas purification catalyst 10 having a substrate 11 having a wall flow structure, and a catalyst layer 20. The catalyst layer 20 has: an A section 20a provided in the interior of the partition wall 16, along an extension direction X of the partition wall 16,...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The present invention provides an exhaust gas purification catalyst 10 having a substrate 11 having a wall flow structure, and a catalyst layer 20. The catalyst layer 20 has: an A section 20a provided in the interior of the partition wall 16, along an extension direction X of the partition wall 16, from an exhaust gas inflow end section 13; a C section 20c provided in the interior of the partition wall 16, along the extension direction X of the partition wall 16, from an exhaust gas outflow end section 15; and a B section 20b disposed between the A section 20a and the C section 20c in the extension direction X of the partition wall 16, and provided over the surface of the partition wall 16 on the side in contact with the inlet cell 12, the interior of the partition wall 16, and the surface of the partition wall 16 on the side in contact with the outlet cell 14. |
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