0584609-A2 is referenced by 36 patents and cites 3 patents.

A process for preparing an olefin polymer by polymerisation or copolymerisation of an olefin of the formula R-CH=CH-R, in which R and R are identical or different and are a hydrogen atom or a hydrocarbon radical having 1 to 14 carbon atoms, or R and R, together with the atoms connecting them, can form a ring, at a temperature of from -60 to 200 DEG C, at a pressure of from 0.5 to 100 bar, in solution, in suspension or in the gas phase, in the presence of a catalyst formed from a metallocene in the meso-form or a meso:rac mixture where meso:rac > 1:; 99, as transition-metal compound and a cocatalyst, characterised in that the metallocene is a compound of the formula I in which M is Zr or Hf, R and R are identical or different and are methyl or chlorine, R and R are identical or different and are methyl, isopropyl, phenyl, ethyl or trifluoromethyl, R and R are hydrogen and are as defined for R and R, R can form an aliphatic or aromatic ring with R, or adjacent radicals R form a ring of this type, and R is a radical, and m plus n is zero or 1.

Title
Process for preparing polyolefins.
Application Number
EP19930112580 19930805
Publication Number
0584609 (A2)
Application Date
August 5, 1993
Publication Date
March 2, 1994
Inventor
Spaleck Walter Dr
DE
Rohrmann Juergen Dr
DE
Kueber Frank Dr
DE
Dolle Volker Dr
DE
Bachmann Bernd Dr
DE
Antberg Martin Dr
DE
Winter Andreas Dr
DE
Assignee
Hoechst
DE
IPC
C08F 10/00
C08F 04/602
C08F 297/00
C08F 10/00
C08F 04/00
C07F 17/00
C08F 297/08
C08F 10/00
C08F 04/642
C08F 04/602
C08F 04/60
C07F 17/00
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