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US 11,298,692 B2Granted
Active SCR catalyst
AssigneeUmicore AG & Co. KG
InventorsFei Wen, Nicola Soeger, Yvonne Demel
Life of this patent
Estimating the term…
Abstract
The invention relates to a catalyst containing a BEA-type zeolite which contains iron as well as 0.05 to 1 percent by weight of sodium, the weight percentage being relative to the iron-exchanged zeolite and being calculated as metallic sodium.
Claims15
A catalyst which comprises a carrier substrate and a BEA-type zeolite, said BEA-type zeolite comprising iron and sodium, wherein the amount of sodium is calculated as metallic sodium and is 0.05 to 1% by weight of the iron content of the BEA-type zeolite.
Dependencies are inferred from the claim text.