Mono ethylenically unsaturated polymerizable group containing polycarbosiloxane monomers
AssigneeBausch & Lomb Incorporated
InventorsAlok Kumar Awasthi, Jason K. Stanbro, Jay F. Kunzler, Jeffrey G. Linhardt
Life of this patent
Estimating the term…
Abstract
The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain monoethylenically unsaturated polymerizable group containing polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices.
Claims15
A hydrogel contact lens comprising a polymerized monomer mix comprising a polymerizable monomer mixture comprising about 0.1 to about 75.8 percent by weight of
- about 0 to about 41.2 percent by weight of a bulky siloxane monomer, about 0 to about 78 percent by weight of at least one hydrophilic monomer, about 0 to about 48.6 percent by weight of an alcohol, about 0.1 to about 29.9 weight percent of an mono ethylenically unsaturated polymerizable group containing polycarbosiloxane monomer, about 0.1 to about 1.0 percent by weight of an initiator and about 90 to about 200 parts per million of a visibility tint.
Dependencies are inferred from the claim text.