| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS | Reacting a salt of an asymmetric bis(cyclopentadienyl) moiety-contg ligand with a chelate diamine adduct of a transition, lanthanide metal halide in organic solvent medium, wherein chiral metallocene corresponding to chiral metallocene to be produced in said process &/or THF is added to said adduct prior to reacting adduct with said salt |
| PATENT PHOTOCOPY | Available on request |
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