CARRIER FOR EXHAUST GAS PURIFICATION CATALYST, CATALYST FOR EXHAUST GAS PURIFICATION, AND CATALYST STRUCTURE FOR EXHAUST GAS PURIFICATION
The disclosed exhaust gas purification catalyst carrier includes a modified aluminum borate which contains aluminum borate and at least one addition element selected from the group consisting of a rare earth element and an alkaline earth metal and which has an electronegativity of 2.732 or lower.
1 - 6 . (canceled)
7 . An exhaust gas purification catalyst carrier, comprising a modified aluminum borate which contains aluminum borate and at least one addition element selected from the group consisting of a rare earth element and an alkaline earth metal and which has an electronegativity of 2.732 or lower.
8 . An exhaust gas purification catalyst carrier, comprising a modified aluminum borate which contains aluminum borate and at least one addition element selected from the group consisting of a rare earth element and an alkaline earth metal, in an amount of 6 mass % or more as an oxide thereof.
9 . An exhaust gas purification catalyst carrier according to claim 7 , wherein the addition element contains two or more elements.
10 . An exhaust gas purification catalyst carrier according to claim 8 , wherein the addition element contains two or more elements.
11 . An exhaust gas purification catalyst carrier according to claim 7 , wherein the addition element is an element selected from the group consisting of Ca, Sr, Ba, La, Pr, Nd, and Ce.
12 . An exhaust gas purification catalyst carrier according to claim 8 , wherein the addition element is an element selected from the group consisting of Ca, Sr, Ba, La, Pr, Nd, and Ce.
13 . An exhaust gas purification catalyst carrier according to claim 9 , wherein the addition element is an element selected from the group consisting of Ca, Sr, Ba, La, Pr, Nd, and Ce.
14 . An exhaust gas purification catalyst carrier according to claim 10 , wherein the addition element is an element selected from the group consisting of Ca, Sr, Ba, La, Pr, Nd, and Ce.
15 . An exhaust gas purification catalyst, comprising an exhaust gas purification catalyst carrier as recited in claim 7 , and Pd supported on the carrier.
16 . An exhaust gas purification catalyst, comprising an exhaust gas purification catalyst carrier as recited in claim 8 , and Pd supported on the carrier.
17 . An exhaust gas purification catalyst, comprising an exhaust gas purification catalyst carrier as recited in claim 9 , and Pd supported on the carrier.
18 . An exhaust gas purification catalyst, comprising an exhaust gas purification catalyst carrier as recited in claim 10 , and Pd supported on the carrier.
19 . An exhaust gas purification catalyst, comprising an exhaust gas purification catalyst carrier as recited in claim 11 , and Pd supported on the carrier.
20 . An exhaust gas purification catalyst, comprising an exhaust gas purification catalyst carrier as recited in claim 12 , and Pd supported on the carrier.
21 . An exhaust gas purification catalyst, comprising an exhaust gas purification catalyst carrier as recited in claim 13 , and Pd supported on the carrier.
22 . An exhaust gas purification catalyst, comprising an exhaust gas purification catalyst carrier as recited in claim 14 , and Pd supported on the carrier.
23 . An exhaust gas purification catalyst product, comprising a catalyst support formed of a ceramic or metallic material, and a layer of an exhaust gas purification catalyst as recited in claim 15 , the layer being supported on the catalyst support.
24 . An exhaust gas purification catalyst product, comprising a catalyst support formed of a ceramic or metallic material, and a layer of an exhaust gas purification catalyst as recited in claim 16 , the layer being supported on the catalyst support.
25 . An exhaust gas purification catalyst product, comprising a catalyst support formed of a ceramic or metallic material, and a layer of an exhaust gas purification catalyst as recited in claim 17 , the layer being supported on the catalyst support.
26 . An exhaust gas purification catalyst product, comprising a catalyst support formed of a ceramic or metallic material, and a layer of an exhaust gas purification catalyst as recited in claim 18 , the layer being supported on the catalyst support.