| PATENT ASSIGNEE'S COUNTRY | Italy |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Metallocene compd - Solid comp obtained by -- Contact in hydrocarbon soln, Mg dialkyl, tin(IV) chloride at -30 - +30C & maintaining T -30 - +120C for 10 min - 5 h. until granular solid contghalogen, Mg & Sn is formed -- Contact said solid with Ti halide to obtain solid contg Ti, Mg, Sn & halogen - Organo-Al compd wherein > 50 % of Al bound to alkyl C |
| PATENT PHOTOCOPY | Available on request |
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