Compounds having one group 13 element, bound with one mono- or di-anionic tridentate ligand, a method of preparation thereof and their use as polymerization catalysts

摘要

In the present invention, there is disclosed new compounds having one group 13 element, preferably boron, aluminium and gallium bound with one mono- or di-anionic tridentate ligand, a method of preparation thereof, and their use as polymerization catalysts.