Salen complexes with dianionic counterions
US9403861B2 · kind B2 · utility
3Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2012 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Dec 11, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/266
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention describes metal salen complexes having dianionic counterions. Such complexes can be readily precipitated and provide an economical method for the purification and isolation of the complexes, and are useful to prepare novel polymer compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.