04404344 is referenced by 120 patents and cites 2 patents.

The invention relates to a method for preparing polymers of ethylene and propylene, or of copolymers of ethylene and alpha olefins such as propylene 1-butene and 1-hexene or alpha omega dienes such as alpha omega octadiene, respectively, by polymerization within a temperature range from -80.degree. to 150.degree. C. in the presence of a halogen free Ziegler type catalyst system consisting of a cyclopentadienyl compound containing a transition metal and of an aluminum alkyl compound, whereby the polymerization is made in the presence of catalyst system consisting of the following components:

Title
Preparing ethylene polymers using Ziegler catalyst comprising cyclodienyl compound of zirconium
Application Number
6/238955
Publication Number
4404344
Application Date
February 27, 1981
Publication Date
September 13, 1983
Inventor
Rudiger O H H Woldt
Luneberg
DE
Hans Jurgen C Vollmer
Hamburg
DE
Walter O Kaminsky
Pinneberg
DE
Hansjorg W Sinn
Hamburg
DE
Agent
Keil & Witherspoon
Assignee
BASF Aktiengesellschaft
DE
IPC
C08F 4/64
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