PATENTS

      1451.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Process for Separating Catalysts From Liquids and Remixing With Fresh Charge Stock.]  German Patent Appl. -. OZ 13,955. filed Jan. 26. 1943.  TOM Reel 17, item 40. frames 1,193-1,196; Meyer Transl. PC-S-V. Oxo, vol. 2, chap. 31. 1949, p. 3.

            In separating catalysts from liquids and mixing them again with fresh charge stock, both operations are carried out in a centrifuge in which 2 liquid layers form, the inner of which, free of catalyst or coarse catalyst particles, is removed, whereas the other layer containing the catalyst is mixed in the centrifuge with fresh charge.