Aryloxyaluminoxanes
US5391793A · kind A · utility
68Cited by
9References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 2, 1992 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Nov 2, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/48
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Aryloxyaluminoxanes containing the unit ##STR1## where R is unsubstituted or substituted aryl, such as phenyl or naphthyl, are useful as a cocatalysts in Ziegler-Natta and Kaminsky-type olefin polymerization catalysts. They can be formed by reaction of a source of water with an organoaluminum compound containing the desired aryloxy moiety or by reaction of preformed aluminoxane with an organic compound, such as a phenol, containing such a moiety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.