The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2009
Filed:
Dec. 19, 2003
Applicants:
Paul Worn Park, Peoria, IL (US);
Virgil Raymond Hester, Edelstein, IL (US);
Christie Susan Ragle, Havana, IL (US);
Carrie L. Boyer, Shiloh, IL (US);
Inventors:
Paul Worn Park, Peoria, IL (US);
Virgil Raymond Hester, Edelstein, IL (US);
Christie Susan Ragle, Havana, IL (US);
Carrie L. Boyer, Shiloh, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/56 (2006.01); B01D 53/94 (2006.01); F01N 3/20 (2006.01); G05D 99/00 (2006.01); H05H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of making an exhaust treatment element includes washcoating a substrate with a slurry that includes a catalyst support material. At least some of the catalyst support material from the slurry may be transferred to the substrate, and silver metal (Ag) is dispersed within the catalyst support material.