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US 12,539,502 B2Granted
Adsorbent, its preparation and use
AssigneeCity University of Hong Kong
InventorsJin Shang, Zeyu Tao
Life of this patent
Estimating the term…
Abstract
An adsorbent for passive NOx adsorption includes a small pore zeolite having an eight-ring framework structure and a non-noble metal ion doped in the framework structure. An exhaustion system comprising the adsorbent and a method for preparing the adsorbent are also addressed.
Claims30
A passive NOx adsorbent comprising a small pore zeolite having an eight-ring framework structure ion-exchanged with a cation consisting of a non-noble metal ion.
Dependencies are inferred from the claim text.