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Patent Abstracts

      519.  ------.  [DREYFUS, H.]  (British Celanese, Ltd.).  [Catalyst for Methanol Synthesis.]  French Patent 713,707, no date.  Schmidt, J., Das Kohlenoxyd, Akad.  Veriagsgesell., Leipzig, 1950, p. 205.

            Colloidal Zn (OH)2.