Lanthanide-based catalyst composition for the manufacture of polydienes
US6699813B2 · kind B2 · utility
62Cited by
18References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2002 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Nov 4, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an lanthanide compound, (b) an alkylating agent, (c) a nickel-containing compound, and optionally (d) a halogen-containing compound, with the proviso that the halogen-containing compound must be present where none of the lanthanide compound, the alkylating agent, and the nickel-containing compound contain a labile halogen atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.