Patent application number | Description | Published |
20080290536 | TEMPERATURE CYCLING FACILITATED RELEASE OF OPHTHALMIC LENSES - This invention discloses methods and apparatus for facilitating release of an ophthalmic lens from a mold part used to form the lens. According to the present invention, the ophthalmic lens and a mold part used to form the ophthalmic lens are exposed first to an environment of reduced thermal energy and then exposed to an environment of increased thermal energy. | 11-27-2008 |
20080316424 | 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. | 12-25-2008 |
20090295004 | SILICONE HYDROGEL CONTACT LENSES DISPLAYING REDUCED PROTEIN UPTAKE - The present invention relates to silicone hydrogel contact lenses formed from a reactive mixture comprising at least one silicone containing compound and a protein uptake reducing amount of at least protein uptake reducing compound. | 12-03-2009 |
20100133710 | 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. | 06-03-2010 |
20100230837 | Release aids for releasing silicone hydrogel ophthalmic lenses - This invention includes methods and systems for processing hydrogel biomedical devices, such as ophthalmic lenses using polyethylene glycol to facilitate release of the devices from a mold part. | 09-16-2010 |
20100249356 | IONIC SILICONE HYDROGELS HAVING IMPROVED HYDROLYTIC STABILITY - The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake. | 09-30-2010 |
20120115980 | SILICONE HYDROGEL REACTIVE MIXTURES COMPRISING BORATES - Disclosed in this specification is a method for forming a silicone hydrogel material that is useful for forming contact lens materials. The method includes using an effective amount of a borate additive to reduce the gel time of the silicone hydrogel reactive mixture and/or enhance the optical properties of the resulting cured material. | 05-10-2012 |
20120283353 | MEDICAL DEVICES HAVING HOMOGENEOUS CHARGE DENSITY AND METHODS FOR MAKING SAME - The present invention relates to ionic silicone hydrogel polymers displaying improved lysozyme uptake, low contact angle and reduced water soluble polymeric ammonium salt uptake. | 11-08-2012 |
20130168617 | IONIC SILICONE HYDROGELS - The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature. | 07-04-2013 |
20130172440 | SILICONE HYDROGELS COMPRISING DESIRABLE WATER CONTENT AND OXYGEN PERMEABILITY - The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature. | 07-04-2013 |
20130175722 | PROCESS FOR MAKING OPHTHALMIC LENSES - The present invention relates to aqueous processes for the production of silicone hydrogel contact lenses. | 07-11-2013 |
20130203813 | MEDICAL DEVICES HAVING HOMOGENEOUS CHARGE DENSITY AND METHODS FOR MAKING SAME - The present invention relates to ionic silicone hydrogel polymers comprising at least one pharmaceutical or nutriceutical component and displaying improved lysozyme uptake, low contact angle and reduced water soluble polymeric ammonium salt uptake. | 08-08-2013 |
20130217620 | IONIC SILICONE HYDROGELS - The present invention relates to ionic silicone hydrogel contact lenses which comprise at least one pharmaceutical or nutriceutical component and are formed from reaction mixtures comprising a mixture of slow-reacting hydrophilic monomers, including at least one slow-reacting ionic monomer, at least one silicone-containing component and at least one hydroxyl-containing component, wherein the ratio of the slow-reacting hydrophilic component half lives to the silicone-containing component half life is at least 2. | 08-22-2013 |
20130225715 | 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. | 08-29-2013 |
20130237631 | 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. | 09-12-2013 |
20140024791 | SILICONE HYDROGELS COMPRISING N-VINYL AMIDES AND HYDROXYALKYL (METH)ACRYLATES OR (METH)ACRYLAMIDES - The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature. | 01-23-2014 |
20140031447 | SILICONE HYDROGELS HAVING A STRUCTURE FORMED VIA CONTROLLED REACTION KINETICS - The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature. | 01-30-2014 |
20140031449 | SILICONE HYDROGELS FORMED FROM ZERO DILUENT REACTIVE MIXTURES - The present invention relates to silicone hydrogels having a desirable balance of properties which can be formed without diluents. The silicone hydrogels are formed from reactive mixtures comprising at least one hydroxyl substituted, monofunctional polydialkylsiloxane monomer having between 2 and 120 dialkylsiloxane repeating units, at least one slow reacting hydrophilic monomer and at least one hydroxyl containing hydrophilic monomer. | 01-30-2014 |
20150041736 | 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. | 02-12-2015 |