Process for the production of acetic acid

Details Process for the production of acetic acid Process for the production of acetic acid

2007-01-10

2010-06-22

Puttlitz, Karl J (Department: 1621)

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

Organic compounds

Carboxylic acids and salts thereof

Reexamination Certificate

active

07741517

ABSTRACT:
A process for the production of acetic acid by carbonylating methanol and/or a reactive derivative thereof with carbon monoxide in the presence of an iridium promoted carbonylation catalyst wherein the promoters are ruthenium and at least one of niobium and tantalum.

REFERENCES:
patent: 6235673 (2001-05-01), Zoeller et al.
patent: 6353132 (2002-03-01), Zoeller et al.
patent: 6441222 (2002-08-01), Zoeller et al.
patent: 0 749 948 (1996-12-01), None
patent: 01/14055 (2001-03-01), None
International Search Report for PCT/GB2007/000056 mailed Apr. 4, 2007.
Written Opinion for PCT/GB2007/000056 mailed Apr. 4, 2007.

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