PATENTS 3148.----- [RUHRCHEMIE, A. G.] [Production of High-Molecular Hydrocarbon Oils.] German Patent Appl. R 95,050, PA 199,203, filed Mar. 11, 1939 (Cl. IV d-12 o) FIAT Reel B-196, frames 974-978; OB 83,253. After the separation of the high molecular hydrocarbon oils produced by cracking and condensation in R 94,081 (abs 3152), the used condensation agent is employed as distributing medium for additional small amounts of fresh condensation agent. |