Transparent gel and contact lense from the same
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United States of America Patent
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May 8, 2012
Grant Date -
Jan 8, 2009
app pub date -
Jan 13, 2006
filing date -
Jan 20, 2005
priority date (Note) -
Expired
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Abstract
A transparent gel is disclosed which has an interpenetrating polymer network of a copolymer containing a polysiloxane structure and a polycarbonate structure and a hydrophilic polymer obtained by polymerizing a hydrophilic monomer. The transparent gel is useful as a cultivation substrate, a container for storage and an ophthalmic material, comprising an easily synthesizable and purifiable silicon-containing resin, wherein a gel strength, transparency, oxygen permeability, birefringence and other characteristics are excellent.
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