2950. ----- [RUHRCHEMIE, A. G.] [Lubricate.] Austrian Patent 160,912, no date. Schmidt, J., Das Kohlenoxyd, Akad. Verlagsgesell., Leipzig, 1950, p. 185

Middle oil from synthesis is cracked to olefins and these polymerized to lubricant.

See also French Patent 813,766 (abs. 2951).