Number | Name | Date | Kind |
---|---|---|---|
3686159 | Bauer et al. | Aug 1972 | |
4537982 | Starzewski et al. | Aug 1985 | |
4716205 | Klabunde et al. | Dec 1987 | |
5334791 | Cavell et al. | Aug 1994 | |
5352813 | Cavell et al. | Oct 1994 | |
5468702 | Jejelowo et al. | Nov 1995 | |
5557023 | Somogyvari et al. | Sep 1996 |
Entry |
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Boor, Ziegler-Natta Catalysts and Polymerization, Academic Press, N.Y. (1979) pp. 602, 604-606, 1979. |