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Priority to DK263661ApriorityCriticalpatent/DK102436C/en
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DK263661A1961-06-271961-06-27
Process for the preparation of a catalyst for stereospecific polymerization of α-alkenes, preferably propylene.
DK102436C
(en)
Process for the preparation of 5-sulfonylpropyl- or 5-sulfonylpropylidene-5H-dibenzo- [a, d] -cycloheptenes or -5H-dibenzo- [a, d] -10,11-dihydrocycloheptenes.