High refractive-index, hydrophilic, arylsiloxy-containing...

Details High refractive-index, hydrophilic, arylsiloxy-containing... High refractive-index, hydrophilic, arylsiloxy-containing...

2005-06-15

2009-12-15

Pezzuto, Helen L. (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S264000, C526S279000, C526S303100, C526S306000, C526S319000, C526S320000, C526S323100, C526S333000, C526S336000

Reexamination Certificate

active

07632904

ABSTRACT:
Hydrophilic, arylsiloxy-containing monomers and macromonomers have at least a terminal hydrophilic group attached to an arylsiloxy group. The aryl groups attached to siloxy groups can be substituted with other hydrophilic groups. Polymers comprising such hydrophilic, arylsiloxy-containing monomers and macromonomers avoid or reduce the risk of forming vacuoles of absorbed water. Furthermore, such polymers have high refractive index, and, thus, are advantageously used for making ophthalmic devices, such as intraocular lenses, contact lenses, corneal rings, corneal inlays, and keratoprostheses.

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International Search Report (PCTISA/210) and Written Opinion (PCT/ISA/237) mailed on Oct. 18, 2006.

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