2654. ------. [PIER, M., AND CHRISTMANN, F.] (I. G. Farbenindustrie A. G.). [Lubricant.] German Patent 726,885, Sept. 17, 1942 (Cl. 23 c-1.01). Chem. Abs., vol. 37, 1943, p. 6884.

Lubricant is a mixture of high-molecular polymers of polymerizable double-bond compounds containing an aromatic group and cracking or dehydrogenation products of hydrocarbons or substances containing unsaturated components such as are obtained in the hydrocarbon synthesis from CO and H2. The polymers are obtained with the aid of acid halides or materials of large surface area.