| Patent Number |
Title Of Patent |
Date Issued |
| 7553880 |
Extended wear ophthalmic lens |
June 30, 2009 |
| An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 7538146 |
Extended wear ophthalmic lens |
May 26, 2009 |
| An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 7468398 |
Extended wear ophthalmic lens |
December 23, 2008 |
| An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 6271332 |
Polyurethanes made from polysiloxane/polyol macromers |
August 7, 2001 |
| The present invention describes a polymer and a precursor thereof; a prepolymer made essentially from a macromer that is cross-linked, for example, via its free hydroxy groups with a polyisocyanate, the macromer being made essentially from a polysiloxane and a polyol component; proce |
