Hafnium complexes of heterocyclic organic ligands
US8362265B2 · kind B2 · utility
1Cited by
3References
13Claims
0Family size
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Key dates
| Filing date | Mar 29, 2007 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Nov 22, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F110/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.