Phosphazene hydrogels with chemical corss-link, preparation method thereof and use thereof
US8313771B2 · kind B2 · utility
3Cited by
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24Claims
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Key dates
| Filing date | May 23, 2008 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | Apr 23, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A phosphazene-based polymer hydrogel with a chemical cross-linkings formed by radiating ultraviolet (UV) and/or mixing with cross-linking agent and/or enzyme, and a method of preparing the same are provided. The hydrogel shows a sol-gel behavior and has an excellent solidity by containing the phosphazene-based polymer that is capable of cross-linking at a certain concentration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.