Metal hexacyanocobaltate nitroferricyanide complexes
US6384183B1 · kind B1 · utility
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17Claims
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Key dates
| Filing date | May 19, 2000 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | May 19, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J27/26
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Metal hexacyanocobaltate nitroferricyanide catalysts are active polymerization catalysts for alkylene oxides. These catalysts tend to have short induction periods, followed by rapid polymerization of alkylene oxides to polyethers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.