Appeal No. 1997-1536
Application 08/342,817
hydrocarbonaceous material to which the mixture of chromic
acid and water soluble polyhydroxy compound may be added
includes hydrocarbons boiling above 350EF (column 2, lines 23
through 44). The mixture of hydrocarbonaceous material and
water soluble polyhydroxy compound are treated with hydrogen
sulfide-containing gas at a temperature of from 500EF (260EC)
to 1000EF (538EC) to convert the chromium catalyst precursor
to a solid chromium-containing catalyst dispersed in the
hydrocarbonaceous material (column 2, lines 45 through 55).
The catalyst precursor may be prepared in a hydrocarbon
material which is a suitable hydrocarbonaceous chargestock for
the hydrocarbonconversion for which the chromium-containing
catalyst is prepared for use (column 2, lines 55 through 64).
When the chromium-containing catalyst is to be used for coal
liquefaction and the chargestock comprises coal and a
hydrocarbon diluent, the mixture of aliphatic water soluble
polyhydroxy material and aqueous chromic acid may be added to
the hydrocarbon diluent and converted to the solid catalyst
before or after the coal is added (column 2, line 64 through
column 3, line 3). Suitable hydrocarbon-containing
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