Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate
2002-08-22
2008-09-23
Vanoy, Timothy C. (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
C502S314000, C502S320000, C502S329000, C502S336000, C502S338000, C502S506000, C502S508000, C502S509000, C502S524000
Reexamination Certificate
active
07427580
ABSTRACT:
A method is described for producing a high temperature shift catalyst, not requiring a reduction step prior to use, by precipitating a composition containing divalent and trivalent iron compounds and a modifier metal selected from trivalent chromium and/or manganese compounds from an aqueous solution containing iron and modifier metal salts with a base, and forming the resultant precipitate into shaped catalyst units, without exposing said precipitate to an oxidizing atmosphere at temperatures above 200° C.
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Axon Sean Alexander
Murray Paul John
Ward Andrew Mark
Hanor Serena L
Johnson Matthey PLC
RatnerPrestia
Vanoy Timothy C.
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