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:
Sep. 04, 2012
Filed:
Nov. 09, 2009
Kyle L. Fujdala, San Jose, CA (US);
Timothy J. Truex, Oxnard, CA (US);
Juan Cai, Sunnyvale, CA (US);
Chaitanya Sampara, Mumbai, IN;
Kyle L. Fujdala, San Jose, CA (US);
Timothy J. Truex, Oxnard, CA (US);
Juan Cai, Sunnyvale, CA (US);
Chaitanya Sampara, Mumbai, IN;
Abstract
An emission control catalyst that exhibits improved CO and HC reduction performance includes supported precious group metal catalysts that are coated onto different layers of the substrate for the emission control catalyst. Zeolites of one or more types are added to the emission control catalyst as a hydrocarbon absorbing component to boost the low temperature performance of the emission control catalyst. Y zeolite is used by itself or mixed with other zeolites to enhance hydrocarbon storage at low temperatures.