Polyurethane-grafted hydrogels
US8497023B2 · kind B2 · utility
17Cited by
167References
46Claims
0Family size
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Key dates
| Filing date | Aug 5, 2009 |
| Grant date | Jul 30, 2013 |
| Priority date | — |
| Expiry date | Jul 13, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31583
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An article comprising two chemically grafted polymer layers comprising a hydrogel layer and an end-functionalized polyurethane layer. The invention also includes methods of making and using the article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.