Hydrogel forming system comprising PEG derivative precursor
US7670616B2 · kind B2 · utility
3Cited by
1References
13Claims
0Family size
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Key dates
| Filing date | Feb 18, 2005 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Jan 2, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Variation in precursor ratio and mass of double bond functionalized polyhydric alcohol precursor and polyethylene glycol diacrylate precursor provide a wide range of release rates of drug or other biologically active agent from hydrogel formed therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.