| 摘要 |
1,215,772. Dimerisation catalysts. SUN OIL CO. 14 March, 1968 [16 Oct., 1967], No. 12377/68. Addition to 1,194,857. Heading B1E. [Also in Division C5] Dimerisation catalysts comprise a combination of a co-ordination complex of formula with a Lewis acid of formula R 3 Al 2 X 3 or R 2 AlX<SP>1</SP> in which Me is Ni(II) or Co (II), X is chlorine, bromine or iodine, X<SP>1</SP> is Cl or Br and R represents hydrocarbon radicals having 1-30 carbon atoms selected from alkyl, cycloalkyl, alkenyl, cycloalkenyl aryl, aralkyl and aralkenyl radicals, the atomic ratio of Al:Me being in excess of 2:1. |
