Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2005-12-20
2010-06-01
Lorengo, Jerry (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C502S020000, C502S022000, C502S027000
Reexamination Certificate
active
07727925
ABSTRACT:
A process for regenerating a used acidic ionic liquid catalyst which has been deactivated by conjunct polymers comprising combining the used catalyst, a metal and a Broensted acid which acts a source of hydrogen in a reaction zone under hydrogenation conditions for a time sufficient to hydrogenate at least a portion of the conjunct polymer is disclosed.
REFERENCES:
patent: 4122245 (1978-10-01), Nardi et al.
patent: 4463071 (1984-07-01), Gifford et al.
patent: 4463072 (1984-07-01), Gifford et al.
patent: 5104840 (1992-04-01), Chauvin et al.
patent: 5731101 (1998-03-01), Sherif et al.
patent: 6096680 (2000-08-01), Park
patent: 6797853 (2004-09-01), Houzvicka et al.
patent: 2004/0077914 (2004-04-01), Zavilla et al.
patent: 2004/0133056 (2004-07-01), Liu et al.
Adams et al., Chem. Commun., entitled “Stereoselective hydrogenation . . . aromatic compounds”, 1999, 1043-1044.
Adams et al., Chem. Commun., 1998, 2097-2098.
Wilkes et al., Inorg. Chem., 1982, 21, 1263-1264.
Christopher J. Adams, et al., Stereoslective hydogenation reacations in chloroaluminate (III) ionic liquids: a new method for the reduction of aromatic compounds, Institute of Applied Catalysis, Schoold of Chemistry, 1999, 1043-1044, Received in Cambridge, UK) 15thFeb. 1999, Accepted 19thApr. 1999.
Adams, Chistopher J. et al., Friedel-Crafts reactions in room temperature ionic liquids, 1998. 2097.2098, Chem. Commun.
Elomari Saleh
Harris Thomas V.
Abernathy Susan M.
Chevron U.S.A. Inc.
Lorengo Jerry
McDonough James E
Roth Steven H.
LandOfFree
Regeneration of ionic liquid catalyst by hydrogenation using... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Regeneration of ionic liquid catalyst by hydrogenation using..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Regeneration of ionic liquid catalyst by hydrogenation using... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4199153