Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Inorganic carbon containing
Reexamination Certificate
2005-12-30
2011-11-15
Lorengo, Jerry (Department: 1731)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Inorganic carbon containing
C502S317000, C502S340000, C502S344000, C423S427000, C423S437200, C423S441000, C977S900000
Reexamination Certificate
active
08058202
ABSTRACT:
Heterogeneous catalyst systems, methods of making these systems, and methods of using these systems, wherein catalytically active gold is deposited onto composite support media. The composite support media is formed by providing nanoporous material on at least a portion of the surfaces of carbonaceous host material. In representative embodiments, relatively fine, nanoporous guest particles are coated or otherwise provided on surfaces of relatively coarser activated carbon particles. Catalytically active gold may be deposited onto one or both of the guest or host materials either before or after the guest and host materials are combined to from the composite host material. PVD is the preferred catalyst system of depositing gold.
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Brady John T.
Brey Larry A.
Buccellato Gina M.
Chamberlain Craig S.
Fansler Duane D.
3M Innovative Properties Company
Lorengo Jerry
Smith Jennifer
Wood Kenneth B.
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