Method for producing monoaryloxy-ansa-metallocenes
US6620953B1 · kind B1 · utility
18Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | May 17, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing monoaryloxy-metallocenes of the formula (II), which comprises reacting a ligand starting compound of the formula (III) with a transition metal compound of the formula (I), where the symbols are as defined in the claims.One specific embodiment relates to the stereoselective preparation of monoaryloxy-metallocenes using a transition metal compound of the formula (Ia)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.