PATENT 4006. [Lubricants.] German Patent Appl. R 114,137, no date (Cl. 12 o-1.01). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 312. Lubricants are produced by the polymerization of olefins with AlCl3 in several steps. Olefins from the vapor-phase cracking of paraffin hydrocarbons are suitable. |