Process for preparation of syndiocatic vinylidene aromatic polymers using reduced metal catalysts
US5512643A · kind A · utility
5Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1995 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Aug 11, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2420/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing syndiotactic vinylidene aromatic polymers comprising contacting one or more vinylidene aromatic monomers with a catalyst comprising a Group 4 metal complex in the +3 oxidation state and a polyalkylaluminoxane cocatalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.