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. 26, 2007
Filed:
Aug. 14, 2004
LI Xu, Flourtown, PA (US);
Yinyan Huang, Framingham, MA (US);
Gregory Cullen, Amesbury, MA (US);
Zhongyuan Dang, Canton, MA (US);
Amiram Bar-ilan, Brookline, MA (US);
Li Xu, Flourtown, PA (US);
Yinyan Huang, Framingham, MA (US);
Gregory Cullen, Amesbury, MA (US);
Zhongyuan Dang, Canton, MA (US);
Amiram Bar-Ilan, Brookline, MA (US);
Sud-Chemie Inc., Louisville, KY (US);
Abstract
A diesel oxidation catalyst comprising a honeycomb substrate washcoated with a mixture of clay, a refractory oxide and a zeolite is disclosed. The washcoated substrate is subsequently deposited with a precious metal catalyst and a sulfur oxidation suppressant. In a preferred embodiment, the clay is acid-leached bentonite, the refractory oxide is zirconia or titania, the zeolite is beta-zeolite or Y-zeolite or ZSM-5 or mordenite, the precious metal catalyst is preferably platinum, and the sulfur oxidation suppressant is vanadium or vanadium oxide or a combination thereof
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile