|
|
|
PATENTS 2940.----- [RUHRCHEMIE, A. G.] Improving Liquid Hydrocarbons. British Patent 464,468, Apr. 12, 1937. Chem. Abs., vol. 31, 1937, p. 7243 In a process similar to that described in British Patent 464,393, (Abs. 2939), the added polymers are obtained by treating C3H6, or gases containing C3H6 but no C2H4, < 0° with the polymerizing agent. In an example, 10, 20, 30, 40% of polymerized C3H6 is added to a refrigerator oil. |