Manufacture of alkyl aluminum sesquihalides

Claim 1

A PROCESS FOR THE MANUFACTURE OF AN ALKYL ALUMINUM SESQUIHALIDE, THE ALKYL GROUPS THEREOF HAVING FROM 4 TO 7 CARBON ATOMS AND THE HALOGEN THEREOF BEING SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE, SAID PROCESS COMPRISING REACTING AN ALKYL HALIDE AND SUBDIVIDED ALUMINUM, THE ALKYL HALIDE BEING SELECTED FROM THE GROUP CONSISTING OF N-BUTYL BROMIDE, N-BUTYL CHLORIDE, ISOBUTYL BROMIDE, ISOAMYL CHLORIDE, AND N-HEPTYL BROMIDE, IN THE PRESENCE OF AN INERT LIQUID HYDOCARBON MEDIUM AND A TRIALKYL ALUMINUM COMPOUND IN THE PROPOTIONS OF FROM ABOUT 1 TO 15 MOLE PERCENT OF THE ALKYL HALIDE AS THE SOLE ADDITIVE, SAID TRIALKYL ALUMINUM COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF TRIETHYL ALUMINUM, TRI-NBUTGYLALUMINUM, TRI-ISOBUTYL ALUMINUM, AND TRICTYL ALUMINUM, AND HEATING SAID SO-FORMED MIXTURE AT REACTION TEMPERATURES FOR A REACTION PERIOD OF FROM ABOUT 1/2 TO 1 1/2 HOURS.