Production of acetic acid and propionic acid and their esters
AssigneeTexaco Inc.
InventorsJohn F. Knifton, Jiang-Jen Lin
Life of this patent
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Abstract
This invention concerns a process of making acetic acid and propionic acid and their esters which comprises contacting a mixture of CO and H.sub.2 with a catalyst system comprising a ruthenium-containing compound and a cobalt halide dispersed in a low melting quaternary phosphonium or ammonium base or salt at a temperature of at least about 150.degree. C. and at a pressure of about 500 psig or greater.
Claims28
A process for making acetic acid and propionic acid and their esters that comprises contacting a mixture of CO and H.sub.2 with a catalyst system comprising a ruthenium-containing compound and a cobalt halide selected from the group consisting of cobalt(II) chloride, cobalt(II) bromide and cobalt(II) iodide dispersed in a low melting quaternary phosphonium or ammonium base or salt at a pressure of about 500 psig or greater and at a temperature of at least about 150.degree. C. for a sufficient time to provide said carboxylic acids and their esters.
A process for making acetic and propionic acids and their esters which comprises contacting a mixture of CO and H.sub.2 at a pressure of about 500 psig or greater and at a temperature of at least about 150.degree. C. with a catalyst system comprising a ruthenium-containing compound a halogen-free cobalt compound and an iodide or iodine-containing compound dispersed in a low-melting quaternary phosphonium or ammonium base or salt.
Dependencies are inferred from the claim text.