Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Mixture is exhaust from internal-combustion engine
Reexamination Certificate
2008-05-13
2008-05-13
Nguyen, Cam N. (Department: 1754)
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Mixture is exhaust from internal-combustion engine
C502S326000, C502S332000, C502S333000, C502S334000, C502S335000, C502S336000, C502S339000, C502S310000, C502S313000, C502S314000, C502S315000, C502S316000, C502S352000, C502S327000
Reexamination Certificate
active
07371358
ABSTRACT:
The present invention utilizes two precious metals with two to five different metal-oxides in a layered matrix to convert CO, HCs, and NOx to CO2, and N2by oxidation of two components and reduction of the other in a moderately high temperature gaseous environment containing excess oxygen.
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Robert S. Braman and Maria A. De La Cantera, “Sublimation Sources for Nitrous Acid and Other Nitrogen Compounds in Air,” Anal. Chem. 1986, 58, , Department of Chemistry, University of South Florida, Tampa, FL 33620, p. 1533-1537.
Schryer David R.
Upchurch, legal representative Wilhelmina H.
Galus Helen M.
Nguyen Cam N.
The United States of America as represented by the Administrator
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