Polyphosphazenes including ionic or ionizable moieties and fluorine-containing moieties
US7217781B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Apr 11, 2005 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | May 16, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A polyphosphate polymer which includes both (i) ionic or ionizable moieties; and (ii) fluorine-containing moieties. Such polymers may be used as matrices for pharmaceuticals, as multilayer coatings for fuel cell membranes, as dopant for electrically conductive polymers, or as multilayer coatings for biomedical devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.