Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions
US6858679B2 · kind B2 · utility
1Cited by
31References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2003 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Aug 1, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/42
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions including one or more anionic polymerization initiators and one or more additives for improving functionalizing efficiency of living polymer anions are disclosed. The present invention also provides compositions including one or more electrophiles and one or more additives for improving functionalizing efficiency of living polymer anions. Novel electrophiles and processes for improving polymer anion functionalization efficiencies are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.