Catalytic coating for the hydrogenation of maleic anhydride...

Details Catalytic coating for the hydrogenation of maleic anhydride... Catalytic coating for the hydrogenation of maleic anhydride...

2007-05-15

2007-05-15

Saeed, Kamal A. (Department: 1626)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

C502S331000, C502S345000, C562S545000

Reexamination Certificate

active

10433008

ABSTRACT:
A catalyst for the hydrogenation of C4-dicarboxylic acids and/or their derivatives, preferably maleic anhydride, in the gas phase comprises from 5 to 100% by weight, preferably from 40 to 90% by weight, of copper oxide and from 0 to 95% by weight, preferably from 10 to 60% by weight, of one or more metals or compounds thereof selected from the group consisting of Al, Si, Zn, Pd, La, Ce, the elements of groups III A to VIII A and groups I A and II A as active composition applied in the form of a thin layer to an inert support material.

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