PATENTS
2738. ------. [RAMAGE, A. S.] (Coals & Chemicals, Ltd.). Aromatic
Hydrocarbons From Olefinic Gases. United States Patent
1,812,372, June 30,
1931; appl. filed May 18, 1928, Serial No. 278,916. Chem. Abs., vol. 25,
1931, p. 4889.
See British patent 335,353 (abs. 2737).
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