1020. ------ [HERBERT, W.]. (Metallgesellchaft A. G.). [Separation of Gaseous Hydrocarbon Mixtures.] German Patent 740,347, Aug. 26, 1943 (Cl. 26 d-10.01). Chem. Abs., vol. 39, 1945, p. 2292.

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Patent Abstracts

1020. ------ [HERBERT, W.]. (Metallgesellchaft A. G.). [Separation of Gaseous Hydrocarbon Mixtures.] German Patent 740,347, Aug. 26, 1943 (Cl. 26 d-10.01). Chem. Abs., vol. 39, 1945, p. 2292.

Fractions are separately absorbed at various stages of the process and then separated. At each stage the gas is washed by the next higher boiling fraction. The substance used for separating these 2 fractions at each stage is regenerated for reuse.