PATENTS

2074. LOWES, A. P., AND IMPERIAL CHEMICAL INDUSTRIES, LTD. Oily Condensation Products. British Patent 493,715, Oct. 12, 1938. Chem. Abs., vol. 33, 1939, p. 2623.

Oily condensation products are obtained by treating with a hydroxide or an anhydrous sulfate or phosphate of Fe, Cr, or Al at > 200° the crude reaction products obtained by the condensation of chlorinated aliphatic hydrocarbons of high molecular weight with aromatic hydrocarbons by the aid of AlCl3 or Al and separating the oily constituents, for example, by decantation or filtration. In an example, chlorinated paraffin containing 22% Cl 650 is treated with C6H6 1,050 in the presence of AlCl3 50 parts and the whole heated to 75° for 3 hr; the reaction mass separates into 2 layers the lower of which is heated with 40 parts of anhydrated FeSO4 for 30 min. at 300°; the C6H6 distills off and the AlCl3 and FeSO4 form a granular, solid mass, which is removed by filtration after cooling, a red-green fluorescent oil of viscosity 200 centistokes at 100° F. being obtained.