Coatings on a monolith article
AssigneeJohnson Matthey Public Limited Company
InventorsKetan Ravi CHAVDA, John TURNER
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Abstract
The present disclosure relates to a coated monolith article for filtering particulate matter from exhaust gases. The monolith article has an inlet end and an outlet end, and comprises a coating. The article comprises an inorganic oxide applied to the inlet end of the article and a washcoat coating applied to the outlet end of the article. The present disclosure also relates to a method of forming the coated monolith article as described herein and an exhaust system with a coated monolith article as described herein.
Claims15
A monolith article comprising an inlet end and an outlet end, and a coating, said coating comprising:
- a) an inorganic oxide coating applied to the inlet end of the article, and
- b) a washcoat coating applied to the outlet end of the article.
A method of forming a coated monolith article, said method comprising:
- i) providing a monolith article which has an inlet end and an outlet end,
- ii) applying an inorganic oxide coating to the inlet end,
- iii) optionally drying and/or calcining the inorganic coating,
- iv) applying a washcoat coating to the outlet end,
- v) optionally drying and/or calcining the resulting article.
Dependencies are inferred from the claim text.