Phosphacycle compound and process for production thereof
US10357764B2 · kind B2 · utility
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1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2016 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Mar 10, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2531/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.