Agent for capturing substance having anionic substituent
US7473781B2 · kind B2 · utility
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31Claims
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Key dates
| Filing date | Mar 4, 2004 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Nov 3, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/58
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A polymer carrier to which a prescribed zinc complex group is binding directly or through a spacer, having property to bond, under a certain condition, to an anionic substituent (a phosphate group, for example), showing low solubility to a solvent (preferably insolubility to a solvent) as a whole, and being capable of capturing, separating and purifying easily a substance having an anionic substituent (a phosphate group, for example).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.