Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2005-11-29
2005-11-29
Lorengo, J. A. (Department: 1755)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C502S162000, C502S164000, C502S167000, C502S169000
Reexamination Certificate
active
06969693
ABSTRACT:
Ionic liquids are immobilized on a functionalized support which carries or contains one component of the ionic liquid, or a precursor to such a component. The ionic liquid may be immobilized via the anion by treating a support with an anion source, e.g., an inorganic halide, before the ionic liquid is applied or formed. Alternatively, the ionic liquid may be immobilized by having the cation covalently bound to the support, e.g., through silyl groups, or incorporated in the support by synthesizing the support in the presence of a suitable base. The immobilized ionic liquids are of use as catalysts, for example, for the Friedel-Crafts reaction, such as alkylation reaction.
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Copy of Opposition filed in the corresponding European application with English translation.
De Castro-Moreira Christovao P
Hoelderich Wolfgang F
Sauvage Emmanuelle
Valkenberg Michael H
Johnson Matthey PLC
Lorengo J. A.
Mayer Brown Rowe & Maw LLP
Pasterczyk J.
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