Catalyst system for olefinic polymerization

B - Operations – Transporting – 01 – J

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402/375, 402/626

B01J 31/26 (2006.01) C08F 2/00 (2006.01) C08F 4/02 (2006.01) C08F 10/00 (2006.01) C08F 12/06 (2006.01) C08F 12/34 (2006.01) C08F 32/00 (2006.01) C08F 36/00 (2006.01) C08F 38/00 (2006.01) C08F 110/00 (2006.01) C08F 112/06 (2006.01) C08F 112/34 (2006.01) C08F 132/00 (2006.01) C08F 136/00 (2006.01) C08F 138/00 (2006.01) C08F 210/00 (2006.01) C08F 212/06 (2006.01) C08F 212/34 (2006.01) C08F 232/00 (2006.01) C08F 236/00 (2006.01) C08F 238/00 (2006.01)

Patent

CA 1125732

ABSTRACT OF THE DISCLOSURE A new improved catalyst system for alpha-olefin type polymerizations includes a metal di- or tri-halide compound of Al, Ga, or In and a diorganomagnesium compound in combination with a Group IVB-VIII transition metal compound. The improved catalyst system provides increased polymerization activity and polymers having a high degree of isotactic stereoregularity.

295933

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