Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Gas or vapor treating
Reexamination Certificate
2008-01-22
2010-12-07
Johnson, Edward M (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Gas or vapor treating
C502S514000, C502S515000
Reexamination Certificate
active
07846861
ABSTRACT:
A process for regenerating a catalyst used in the preparation of acrolein from glycerol, which comprises tungsten compounds and has acidic properties and at least one promoter.
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Dörflein Andreas
Huthmacher Klaus
Redlingshöfer Hubert
Weckbecker Christoph
Evonik Degussa GmbH
Johnson Edward M
Smith , Gambrell & Russell, LLP
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