Process for producing carbonylation products

Details Process for producing carbonylation products Process for producing carbonylation products

2005-02-09

2009-02-17

Zucker, Paul A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C562S519000

Reexamination Certificate

active

07491842

ABSTRACT:
A carbonylation process for producing a carbonylation product by contacting carbon monoxide with a feed comprising an alcohol and/or a reactive derivative thereof in the vapour phase using an heterogeneous heteropolyacid catalyst comprising one or more metal cations selected from Cu, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd and Pt and wherein there is at least 0.5 wt % water present in the feed.

REFERENCES:
patent: 5218140 (1993-06-01), Wegman
patent: 6521783 (2003-02-01), Wegman et al.
patent: 0 353 722 (1990-02-01), None
patent: WO 98/57918 (1998-12-01), None
patent: WO 01/07393 (2001-02-01), None
patent: WO 03/014054 (2003-02-01), None

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