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Silver doped catalysts for treatment of exhaust

United States Patent

December 26, 2006
View the Complete Patent at the US Patent & Trademark Office
A method of making an exhaust treatment catalyst includes dispersing a metal-based material in a first solvent to form a first slurry and allowing polymerization of the first slurry to occur. Polymerization of the first slurry may be quenched and the first slurry may be allowed to harden into a solid. This solid may be redistributed in a second solvent to form a second slurry. The second slurry may be loaded with a silver-based material, and a silver-loaded powder may be formed from the second slurry.
Park; Paul Worn (Peoria, IL), Boyer; Carrie L. (Shiloh, IL)
Caterpillar Inc (Peoria, IL)
10/ 874,209
June 24, 2004
U.S. GOVERNMENT RIGHTS This invention was made with government support under the terms of Contract No. DE-FC05-97OR22579 awarded by the Department of Energy. The government may have certain rights in this invention.