3968.  ----- [WOODHOUSE, J. C.] (E. I. du Pont de Nemours & Co.). Synthesis of Organic Compounds Such as Acetic Acid. United States Patent 2,053,233, Sept. 1, 1936. Chem. Abs., vol. 30, 1936, p. 7124.

Vapor-phase synthesis in which CO is one of the reacting materials, such as the production of HOAc from CO, MeOH, H₂O and H₂, is conducted in the presence of a H Halide such as HCl or NH₄Cl and of active C (suitably at 325° under 700 atm. pressure).