Patent ID: 6828269
Filing Date: 2004-12-07
Classification: B01J,C07C,C08F,Y02P

Abstract:
A catalytic composition, obtained by mixing:at least one catalyst-forming chromium compound; with at least one aryloxy compound of an element M selected from the group consisting of magnesium, calcium, strontium and barium, with general formula M(RO)2-nXn, where RO is an aryloxy radical containing 6 to 80 carbon atoms, X is a halogen or a hydrocarbyl radical containing 1 to 30 carbon atoms and n is a whole number that is 0 or 1; and with at least one aluminum compound selected from the group consisting of ethylaluminum sesquichloride, tris(hydrocarbyl)aluminum compounds, chlorinated and brominated hydrocarbylaluminum compounds, with general formula AlRâ€²mY3-m, where Râ€² is a hydrocarbyl radical containing 1 to 6 carbon atoms, Y is a chlorine or bromine atom and m is a number from 1 to 3, and aluminoxanes.