Number | Name | Date | Kind |
---|---|---|---|
4892851 | Ewen et al. | Jan 1990 | |
5132381 | Winter et al. | Jul 1992 | |
5225500 | Elder et al. | Jul 1993 |
Number | Date | Country |
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3907965 | Sep 1990 | DEX |
Entry |
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"Syndioselective Propylene Polymerization Catalyzed by rac-2,2-Dimethylpropylidene (1-.eta..sup.5 -cyclopentadienyl) (1-.eta..sup.5 -fluorenyl) dichlorozirconium", Ricardo Fierro et al., Journal of Polymer Science, vol. 32, No. 4, Mar., 1994, pp. 661-673. |