Continuous method for making isobutyric acid

Details Continuous method for making isobutyric acid Continuous method for making isobutyric acid

1992-04-24

1992-12-08

Prescott, Arthur C.

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

Organic compounds

Carboxylic acids and salts thereof

560233, C07C 5324, C07B 5300

Patent

active

051699850

ABSTRACT:
Methods of improving the yield in the continuous preparation of isobutyric acid from propene, carbon monoxide, and water under pressure in liquid hydrogen fluoride as a Koch catalyst by mixing the propene with excess carbon monoxide, preferably carbon monoxide reintroduced from the process and freed of HF, and introducing the mixture into the reactor.

REFERENCES:
patent: 4452999 (1984-06-01), Besecke et al.
patent: 4504675 (1985-03-01), Besecke et al.
patent: 4647696 (1987-03-01), Besecke et al.
patent: 4791227 (1988-12-01), Neumann et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 10, p. 735 (1982).

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