Nonsymmetric catalysts comprising salan ligands
US8957172B2 · kind B2 · utility
20Cited by
28References
45Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 19, 2013 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Jun 19, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F210/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Catalysts comprising a non-symmetrical Salan ligand with a carbazole moiety. Also disclosed are catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.