Vinylidene olefin process
US4658078A · kind A · utility
118Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1986 |
| Grant date | Apr 14, 1987 |
| Priority date | — |
| Expiry date | Aug 15, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a process for dimerizing an alpha olefin to a vinylidene olefin which comprises contacting said alpha olefin with a catalyst comprising (a) cyclo(pentadienyl)zirconium or hafnium metallocene and (b) an aluminoxane wherein the atom ratio of Al to Zr or Hf in the catalyst ranges from about 1 to about 100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.