Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Reexamination Certificate
2007-10-09
2007-10-09
Wolfe, Jr., Willis R. (Department: 3747)
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
C123S568290
Reexamination Certificate
active
11281662
ABSTRACT:
The present invention is directed to the use of an improved hydrocarbon adsorbent coating for the treatment of exhaust emissions from a motor vehicle. More specifically, the hydrocarbon adsorbent of the present invention can be coated to any surface area of an exhaust gas recirculation system to trap hydrocarbon vapors before they can be released to the atmosphere.
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Buelow Mark Thomas
Hoke Jeffrey Barmont
Kauffman John Joseph
Brown Melanie
Engelhard Corporation
Frenkel & Associates P.C.
Negin Richard
Wolfe, Jr. Willis R.
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