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      237.     ------.  [BRAUNKOHLE-BENZIN, A. G.]  [Treatment of Solid Paraffins.]  German Patent Appl. B 195,924, no date (Cl. 23 b-1.04).  Auszuge deut. Patent-Anmeldungen, vol. 6, p. 743.

Solid paraffin hydrocarbons from CO hydrogenation is heat treated at cracking temperatures of 400º-450º until it is converted without the formation of essential amounts of gases or low-boiling oils into products similar to Vaseline.