Patent ID: 7432409

Claim:
A process for the production of high quality gasoline blending components comprising reacting a refinery stream containing an isopentane with a refinery stream containing an ethylene under alkylation conditions including an isopentane to olefin molar ratio of from 2 to 8 in the presence of a chloroaluminate ionic liquid catalyst comprising an alkyl substituted pyridiniurn chloroaluminate or an alkyl substituted imidazolium chloroaluminate of the general formulas A and B, respectively: where R═H, methyl, ethyl, propyl, butyl, pentyl or hexyl group and X is a chloroaluminate, and R 1 and R 2 ═H, methyl, ethyl, propyl, butyl, pentyl or hexyl group and where R 1 and R 2 may or may not be the same; and wherein the isopentane and the ethylene are alkylated.