| abstract |
A PROCESS IS PROVIDED FOR OLIGOMERIZING OLEFINS, TO OBTAIN A FLUID IN WHICH THE TRIMER TO TETRAMER AND HIGHER RATIO IS AT LEAST FOUR, WHICH COMPRISES: CONTACTING SAID OLEFINS IN A REACTION ZONE WITH A CARBOXYLIC ACID-PROMOTED BORON TRIFLUORIDE CATALYST, SAID CARBOXYLIC ACID HAVING AT LEAST 3 CARBON ATOMS, IN A MOLE RATIO OF PROMOTER TO OLEFINS OF FROM ABUT 0.005:1 TO ABOUT 0.05:1 AND AT A TEMPERATURE OF FROM ABOUT 0*C., TO ABOUT 20*C., IN THE PRESENCE OF FREE BORON TRIFLUORIDE. |