Prepolymers with dangling polysiloxane-containing polymer...

Details Prepolymers with dangling polysiloxane-containing polymer... Prepolymers with dangling polysiloxane-containing polymer...

2008-03-21

2011-12-06

Moore, Margaret G (Department: 1796)

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C526S279000

Reexamination Certificate

active

08071658

ABSTRACT:
The invention provide a new class of silicone-containing prepolymers containing dangling polysiloxane-containing polymer chains. This class of silicone-containing prepolymer is capable of being actinically crosslinked to form a silicone hydrogel material with a relatively high oxygen permeability, a reduced elastic modulus, and a relatively high ion permeability. The present invention is also related to silicone hydrogel contact lenses made from this class of silicone-containing prepolymers and to methods for making the silicone hydrogel contact lenses.

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