Polymerization process

Claim 1

A PROCESS FOR THE POLYMERIZATION OF OLEFINICALLY UNSATURATED HYDROCARBONS COMPRISING CONTACTING (A) A POLYMERIZATION FEED SELECTED FROM THE GROUP CONSISTING OF (1) BUTADIENE, (2) MIXTURES OF TWO TO FOUR ALPHA-MONOOLEFINS WHEREIN EACH MONOOLEFIN IS PRESENT IN A CONCENTRATION OF AT LEAST 0.5 MOLE PERCENT, AND (3) MIXTURES OF TWO TO THREE ALPHA-MONOOLEFINS WITH ONE HYDROCARBON HAVING AT LEAST TWO OLEFINIC DOUBLE BOND PER MOLECULE, WHEREIN SAID LATTER HYDROCARBON IS PRESENT N A CONCENTRATION WHICH RESULTS IN A PRODUCT CONTAINING FROM 0.5 TO ABOUT 5 MOLE PERCENT THEREOF AND EACH MONOOLEFIN IS PRESENT IN A CONCENTRATION OF AT LEAST 0.5 MOLE PERCENT, (B) DISSOLVED IN AN ORGANIC DILUENT, WITH (C) A CATALYST COMPRISING (1) AN ORGANOMETALLIC REDUCING COMPOUND OF ALUMINUM, AND (2) A HYDROCARBON SOLUBLE ANADIUM COMPLEX RESULTING FROM REACTING IN AQUEOUS SOLUTION AN INORGANIC VANADYL SALT AND AN ALKALI SALT OF AN AROMATIC CARBOXYLIC ACID SUBSTITUTED ON THE SAME AROMATIC RING WITH AT LEAST ONE CARBOXYL GROUP, AT LEAST ONE ALKYL GROUP, AND AT LEAT ONE GROUP -XH WHERE X IS SELECTED FROM THE GROUP CONSISTING OF SULFUR AND OXYGEN.