Silicone hydrogel contact lenses

Details Silicone hydrogel contact lenses Silicone hydrogel contact lenses

2007-09-11

2007-09-11

Moore, Margaret G. (Department: 1712)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C351S16000R, C351S16000R

Reexamination Certificate

active

11087150

ABSTRACT:
Silicone hydrogels, including vinyl carbonate endcapped polysiloxanes containing a fluorinated side chain, are useful as biomaterials, especially hydrogel biomaterials, including contact lens materials. The hydrogels are the hydrated polymerization product of a monomer mixture comprising a hydrophilic monomer and a polysiloxane-containing monomer, have an oxygen permeability of at least about 120 Barrers, a water content of at least about 20 weight percent, and a modulus no greater than about 83 g/mm2.

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