Return to Abstracts of Patents

Return to Abstracts of Patents 500-749

Patent Abstracts

      564.   DREYFUS, H., AND BADER, W.   (Celanese Corp. of America.).  Acetic Acid.  Unites States Patent 1,864,531, June 28, 1932; appl. filled Mar. 15. 1929.  Serial No. 347,448.  Chem. Abs., vol. 26. 1932. p.4346.

            Gaseous mixture containing CO and H2 is subjected to the action of a phosphoric acid catalyst or the like, forming MeAc, and the MeOAc may be converted into free HOAc by saponification in the presence of substantially the quantity of H2O necessary for producing glacial HOAc.

            Driver, A. P.  See abs. 278.