Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Gas or vapor treating
Reexamination Certificate
2007-08-14
2007-08-14
Johnson, Edward M. (Department: 1754)
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Gas or vapor treating
Reexamination Certificate
active
10785455
ABSTRACT:
Used noble metal-containing titanium zeolite catalysts, that have been employed in the liquid-phase epoxidation of olefins with hydrogen and oxygen in the presence of a buffer, are regenerated by heating the used catalyst at a temperature of at least 250° C. in the presence of a oxygen-containing gas stream, followed by reduction at a temperature of at least 20° C. in the presence of a hydrogen-containing gas stream to form a reactivated catalyst.
REFERENCES:
patent: 3351635 (1967-11-01), Kollar
patent: 4367342 (1983-01-01), Wulff et al.
patent: 4833260 (1989-05-01), Neri et al.
patent: 5798313 (1998-08-01), Carroll et al.
patent: 5859265 (1999-01-01), Muller et al.
patent: 5916835 (1999-06-01), Carroll et al.
patent: 5965754 (1999-10-01), Clark et al.
patent: 6008388 (1999-12-01), Dessau et al.
patent: 6310224 (2001-10-01), Grey
patent: 6380119 (2002-04-01), Grosch et al.
patent: 6403815 (2002-06-01), Grey
patent: 6441203 (2002-08-01), Grey
patent: 6441204 (2002-08-01), Grey
patent: 6498259 (2002-12-01), Grey et al.
patent: 6916756 (2005-07-01), Schindler et al.
patent: 1001038 (1989-06-01), None
patent: 4-352771 (1992-12-01), None
A. Baiker,App. Catal. A: General 208(2001) 125.
G. Thiele,Journal of Molecular Catalyst A: Chemical 117(1997) 351.
Grey Roger A.
Kaminsky Mark P.
Carroll Kevin M.
Johnson Edward M.
Lyondell Chemical Technology, L.P.
LandOfFree
Catalyst regeneration process does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Catalyst regeneration process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalyst regeneration process will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3897054