HYDROGEL WITH HIGH WATER CONTACT AND STABILITY
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United States of America Patent
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N/A
Issued Date -
Jul 26, 2012
app pub date -
Dec 20, 2011
filing date -
Oct 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A polymer comprising hydrophilic and hydrophobic properties is provided. The polymer can be formed into a hydrogel capable of being used as a contact lens. The lens can exhibit high water content such as for example more than 70 wt. % for biocompatibility and structural stability for handling. The hydrophilic portion can be 2,3-dihydroxypropyl methacrylate (GMA) and the hydrophobic portion can be 2-methoxyethyl methacrylate (MOEMA). Additionally, the lens can also include N,N-dimethylacrylamide (NN-DMA). Lens can be prepared and formed by molding including a cast molding process or a half cast molding process.
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