Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Gas or vapor treating
Reexamination Certificate
2003-10-15
2009-11-24
Langel, Wayne (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Gas or vapor treating
C502S053000, C502S330000, C502S339000, C585S277000
Reexamination Certificate
active
07622412
ABSTRACT:
A process for regenerating a hydrogenation catalyst which has been used in a gas-phase hydrogenation, which comprises stripping at from 50 to 300° C. with a substance or a substance mixture which under the process conditions has no oxidizing action and is present in the gaseous state is described.
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Dialer Harald
Haake Mathias
Hill Thomas
BASF SE
Connolly Bove & Lodge & Hutz LLP
Langel Wayne
Martinez Brittany M
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