97720 ⎘
Polymerisation catalysts; Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof; Refractory metals or compounds thereof; Component covered by group with a metal or compound covered by group , not provided for in a single group of groups or Component of containing at least two different metals