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US 2010/0247398 A1Published application
Honeycomb structure
AssigneeIbiden Co., Ltd.
InventorsTakahiko IDO, Chizuru Kasai
Life of this patent
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Abstract
A disclosed honeycomb structure includes at least one honeycomb unit having parallel through holes separated by partition walls and extending in the longitudinal direction, the honeycomb unit including a first SOx-occluding agent, first inorganic particles, and an inorganic binder; and coating layers formed on the partition walls and including a second SOx-occluding agent and second inorganic particles. In the honeycomb structure, the basicity of the honeycomb unit is higher than that of the coating layers.
Claims24
A honeycomb structure, comprising:
- at least one honeycomb unit having parallel through holes separated by partition walls and extending in the longitudinal direction, the honeycomb unit including a first SOx-occluding agent, first inorganic particles, and an inorganic binder;
- and
- coating layers formed on the partition walls and including a second SOx-occluding agent and second inorganic particles;
- wherein the basicity of the honeycomb unit is higher than that of the coating layers.
1 more element
Dependencies are inferred from the claim text.