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| Number | Title | Issue Date |
| 8153703 | UV/visible light absorbers for ophthalmic lens materials Benzotriazole UV/Visible light-absorbing monomers are disclosed. The UV/Vis absorbers are particularly suitable for use in intraocular lens materials. ... | 04/10/2012 |
| 8129442 | Hydrophilic polysiloxane macromonomer, and production and use of the same A hydrophilic polysiloxane macromonomer containing polyoxyethylene as a hydrophilic side chains pendant to a polysiloxane main chain for imparting transparency, oxygen permeability, and hydrophilic properties to a contact lens is disclosed. The properties of the mat... | 03/06/2012 |
| 8114921 | Hybrid polymer and method for making A macromolecule includes a polymer directly tethered or bonded to a polyatomic functionality. The polyatomic functionality can be located at a terminus of the polymer and can be generated concurrent with or soon after formation of the polymer. The macro-molecule can... | 02/14/2012 |
| 8071661 | Biomedical devices Biomedical devices are provided herein which are formed from a polymerization product of a mixture comprising (a) a copolymer which is the reaction product of one or more polymerizable polyhydric alcohols and one or more polymerizable fluorine-containing monomers; a... | 12/06/2011 |
| 8071660 | Surface modified biomedical devices A method for making a surface modified biomedical device is disclosed, the method comprising contacting a surface of a biomedical device with a copolymer which is the reaction product of one or more polymerizable polyhydric alcohols and one or more polymerizable flu... | 12/06/2011 |
| 8058323 | Low-tack ophthalmic and otorhinolaryngological device materials Disclosed are soft, high refractive index, acrylic materials. These materials, especially useful as intraocular lens materials, contain one or more aryl acrylic hydrophobic monomers as principal device-forming monomers and a tack-reducing macromer additive. In addit... | 11/15/2011 |
| 7960447 | Cationic end-capped siloxane prepolymer for reduced cross-link density The present invention relates to hydrophilic dicationic siloxane prepolymers with one polymerizable vinyl moiety instead of two polymerizable vinyl moieties, resulting in contact lenses and/or biomedical devices with reduced cross-link density and modulus without de... | 06/14/2011 |
| 7939579 | Hydrogels and methods of manufacture Hydrogels, methods of preparing hydrogels, and ophthalmic lenses comprising hydrogels are described. Fully hydrated embodiments of the hydrogels have relatively high water content and oxygen permeability, along with relatively low modulus of elasticity. Embodiments ... | 05/10/2011 |
| 7906563 | Polysiloxane-based prepolymer and hydrogel A polysiloxane-based prepolymer of a three-dimensional network structure produced by hydrolysis-condensation of a first mixture having a tetra-alkoxysilane compound, an ethylenically unsaturated organosiloxane monomer, and a hydrophilic silicon-containing polyfuncti... | 03/15/2011 |
| 7897654 | Silicone prepolymer solutions In one aspect, the invention relates to silicone prepolymer compositions comprising a silicone prepolymer and a solvent. A soluble silicone prepolymer can be provided having increased average silicon content, thereby attaining a desired oxygen permeability. A solven... | 03/01/2011 |
| 7786185 | Wettable hydrogels comprising acyclic polyamides The present invention relates to biomedical devices, and particularly contact lenses comprising a polymer having entangled therein at least one acyclic polyamide. ... | 08/31/2010 |
| 7759408 | Silicon-containing monomers end-capped with polymerizable cationic hydrophilic groups The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirabl... | 07/20/2010 |
| 7737194 | Silicone lens and silicone resin composition for molding lens A colorless transparent silicone lens produced by thermally curing a silicone resin composition comprising (A) an organopolysiloxane having a resin structure comprising R1SiO1.5 unit, R22... | 06/15/2010 |
| 7705067 | Biomedical device having improved surface characteristics Biomedical devices, such as ophthalmic lenses, and methods of making such devices having a surface coating including at least one polyionic layer. A preferred method involves spray coating a polycationic material onto a core lens, rinsing and drying the lens, follow... | 04/27/2010 |
| 7666921 | Biomedical devices containing internal wetting agents This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer. ... | 02/23/2010 |
| 7622512 | Cationic hydrophilic siloxanyl monomers The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirabl... | 11/24/2009 |
| 7585900 | Low-tack ophthalmic and otorhinolaryngological device materials Disclosed are soft, high refractive index, acrylic materials. These materials, especially useful as intraocular lens materials, contain an aryl acrylic hydrophobic monomer as the single principal device-forming monomer and a tack-reducing macromer additive. In addit... | 09/08/2009 |
| 7572841 | Wettable silicone hydrogel contact lenses and related compositions and methods Silicone hydrogel contact lenses having ophthalmically acceptable surface wettabilities are obtained from pre-extracted polymerized silicone hydrogel contact lens products having relatively large amounts of removable or extractable materials. The silicone hydrogel c... | 08/11/2009 |
| 7566746 | Biomedical devices having improved surface characteristics Biomedical devices, such as ophthalmic lenses, and methods of making such devices having a surface coating including at least one polyionic layer. A preferred method involves spray coating a polycationic material onto a core lens, rinsing and drying the lens, follow... | 07/28/2009 |
| 7538146 | Extended wear ophthalmic lens 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, wit... | 05/26/2009 |
| 7521488 | Contact lenses The invention provides silicone hydrogel contact lenses that exhibit reduced back surface debris and reduced incidence of superior epithelial arcurate lesions. ... | 04/21/2009 |
| 7468398 | Extended wear ophthalmic lens 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, wit... | 12/23/2008 |
| 7423108 | High refractive-index siloxy-containing monomers and polymers, and ophthalmic devices comprising such polymers Siloxy-containing monomers, macromonomers, or polymers have at least a siloxy-containing side group that comprises a refractive-index increasing substituent. Polymeric compositions comprising such siloxy-containing monomers, macromonomers, or polymers are advantageo... | 09/09/2008 |
| 7423074 | Polysiloxane prepolymers for biomedical devices A polysiloxane copolymer that is useful for forming biomedical devices comprises blocks (I) and (II) and is terminated at each end with an ethylenically unsaturated radical: (*Dii*Diol*Dii*PS)x (I) (*Dii*PS)y (II... | 09/09/2008 |
| 7407992 | High refractive index and optically clear copoly(carbosilane and siloxane) elastomers High refractive index and optically clear copoly(carbosilane and siloxane) elastomers and ophthalmic lenses made therefrom are provided. The elastomers are comprised of copolymers having carbosilane repeat units and siloxane repeat units. The copolymers and ophthalm... | 08/05/2008 |
| 7399795 | Surface modification of contact lenses Provided are surface modified contact lenses formed from one or more fumaric- or itaconic-containing prepolymers having reactive functionality that is complimentary to reactive hydrophilic polymers. ... | 07/15/2008 |
| 7390863 | Polymeric materials having enhanced ion and water transport property and medical devices comprising same A polymeric material having enhanced oxygen permeability and ion and water transport rates comprises units of a first monomer and a second monomer, which comprises linear poly(ethylene oxide), cyclic poly(ethylene oxide), or combinations thereof. Medical devices, su... | 06/24/2008 |
| 7348022 | Biomedical composition A method of preparing intraocular lenses in situ is disclosed. The method involves the injection of an unsaturated macromonomer of the formula The macromonomer is then polymerized to give a polymer having an E modulus in th... | 03/25/2008 |
| 7297160 | High refractive-index, hydrophilic, arylsiloxy-containing macromonomers and polymers, and ophthalmic devices comprising such polymers Hydrophilic, arylsiloxy-containing 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-... | 11/20/2007 |
| 7297725 | Biomedical devices having improved surface characteristics Biomedical devices, such as ophthalmic lenses, and methods of making such devices having a surface coating including at least one polyionic layer. A preferred method involves spray coating a polycationic material onto a core lens, rinsing and drying the lens, follow... | 11/20/2007 |
| 7279507 | Contact lenses An interpenetrating polymer network (IPN) composition and a process for the manufacture of hydrogel contact lens using the invention material. The polymeric materials are formed by polymerization of: (1) an unsaturated alkyl(meth)acrylate or its derivatives such as ... | 10/09/2007 |
| 7276544 | Process for manufacturing intraocular lenses with blue light absorption characteristics A process for producing intraocular lenses (IOLs) capable of absorbing blue light and ultraviolet light using photo curing. Intraocular lenses so produced block blue light and ultraviolet light from reaching the retina of an eye implanted with the IOL. By blocking b... | 10/02/2007 |
| 7270678 | Surface modification of functional group-containing medical devices with catalyst-containing reactive polymer system Surface modified medical devices such as intraocular lens implants formed from one or more functional group-containing materials using reactive, hydrophilic polymers with catalyst functionality for the purpose of reducing or eliminating lens epithelial cell growth t... | 09/18/2007 |
| 7268198 | Silicone hydrogel contact lenses 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 mono... | 09/11/2007 |
| 7268189 | Polymers The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least one crosslinker comprising two or more ethylenically unsaturated ... | 09/11/2007 |
| 7261844 | Photochromic contact lens having excellent discoloring characteristic A photochromic contact lens having a period of time for discoloring the contact lens from a colored state to the uncolored state shortened, wherein the photochromic contact lens is made of an oxygen-permeable polymer material having a second-order transition point o... | 08/28/2007 |
| 7262232 | Ophthalmic lenses and compositions and methods for producing same Ophthalmic lenses, such as corneal contact lenses, include a lens body made of a composition including a lens body made of a composition including a first crosslinked polymer material which is water swellable, and a second polymeric material, other than the first ma... | 08/28/2007 |
| 7249848 | Wettable hydrogels comprising reactive, hydrophilic, polymeric internal wetting agents The present invention relates to wettable silicone hydrogels comprising the reaction product of at least one siloxane containing component and at least one reactive, hydrophilic polymeric internal wetting agent. The present invention further relates to silicone hydr... | 07/31/2007 |
| 7247692 | Biomedical devices containing amphiphilic block copolymers This invention relates to wettable biomedical devices comprising amphiphilic block copolymers. The amphiphilic block copolymers are useful as internal wetting agents for biomedical applications, such as implantable devices, ophthalmic devices and in one embodiment, ... | 07/24/2007 |
| 7237893 | Light adjustable lenses capable of post-fabrication power modification via multi-photon processes The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that is compatible with the base ... | 07/03/2007 |
