Patent application number | Description | Published |
20080290535 | REDUCTION OF EXCESS POLYMERIC FLASH RING - The present invention includes methods and apparatus for forming a biomedical device, such as an ophthalmic lens, in a area defined by a first mold part and a second mold part wherein during the formation of the biomedical device a HEMA is formed and the HEMA ring and a greater adhesive force is generated on the HEMA ring by the second mold part than the first mold part. | 11-27-2008 |
20090004288 | STABILIZED OPHTHALMIC SOLUTIONS - The present invention relates to stabilized ophthalmic solutions comprising at least one peroxide. In one embodiment, the present invention relates to an ophthalmic solution comprising a pH between about 6 and about 8 and about 50 to about 1000 ppm hydrogen peroxide and about 0.005 wt % (50 ppm) to about 0.05 wt % (500 ppm) at least one salt of diethylenetriamine pentaacetic acid selected from the group consisting of calcium salts of diethylenetriamine pentaacetic acid, zinc salts of diethylenetriamine pentaacetic acid and mixed calcium/zinc salts of diethylenetriamine pentaacetic acid. | 01-01-2009 |
20090218705 | METHODS AND SYSTEMS FOR PROCESSING SILICONE HYDROGEL OPHTHALMIC LENSES FOR IMPROVED LENS TRANSFER - This invention includes methods and systems for processing silicone hydrogel ophthalmic lenses using aqueous solutions which contain dimethyl siloxane as as processing aids to facilitate lens transfer. | 09-03-2009 |
20090239775 | OPHTHALMIC SOLUTIONS DISPLAYING IMPROVED EFFICACY - The present invention relates to ophthalmic compositions comprising a pH between about 6 and about 8 and about 50 to about 1000 ppm hydrogen peroxide, about 100 ppm to about 2000 ppm of at least one chlorite compound and about 20 to 100 ppm of at least one saturated, polymeric quaternium salt. The ophthalmic compositions of the present invention display improved antifungal efficacy against | 09-24-2009 |
20090244479 | TINTED SILICONE OPHTHALMIC DEVICES, PROCESSES AND POLYMERS USED IN THE PREPARATION OF SAME - Tinted ophthalmic devices, methods for their production, and non-crosslinked binding polymers used in their production are disclosed herein. | 10-01-2009 |
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 |
20110049445 | PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND COMPOSITIONS AND ARTICLES INCLUDING THE SAME - The present invention provides ophthalmic devices comprising at least one photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials. | 03-03-2011 |
20110248415 | PROCESS FOR MANUFACTURE OF A THERMOCHROMIC CONTACT LENS MATERIAL - Disclosed in this specification is a process for manufacturing a thermochromic contact lens. The process includes (1) selecting a photoinitiator that absorbs at a first wavelength and at least one thermochromic dye that displays substantial absorption at the first wavelength when the dye is at a first temperature and exhibits at least an 80% reduction in absorbance at the first wavelength at a second temperature, (2) maintaining the reaction mixture at the second temperature and (3) providing cure light that includes the first wavelength. | 10-13-2011 |
20120108551 | OPHTHALMIC COMPOSITIONS - The present invention relates to compositions that may alleviate symptoms of ocular stress, as well as methods of their production, use, and storage compositions. The compositions comprise at least one ocular epithelial cell associating group and at least one hydrophilic group. In one embodiment the at least one ocular epithelial cell associating group and at least one hydrophilic group are substituents on a conjugated polyaromatic core. | 05-03-2012 |
20120212703 | POLYMERIC COMPOSITIONS COMPRISING AT LEAST ONE VOLUME EXCLUDING POLYMER - The present invention relates to compositions comprising a polymeric substrate comprising at least one volume excluding polymer. In one embodiment, the present invention provides polymeric articles that are capable of acting as osmotic drivers. The articles are capable of maintaining a desired water balance by moving water in or out of a substrate to maintain cation concentration equilibrium between the substrate and its environment. | 08-23-2012 |
20130005805 | ESTERS FOR TREATMENT OF OCULAR INFLAMMATORY CONDITIONS - The present invention relates to ophthalmic compositions and methods for the treatment of dry eye and other inflammatory ocular conditions. In particular, the present invention relates to a composition comprising an esterified anti-inflammatory lipid mediator, which is an ester of an anti-inflammatory lipid mediator that is a reaction product of the anti-inflammatory lipid mediator and a monohydric alcohol or an amide wherein the majority of the anti-inflammatory lipid mediator is present in an ester form. In this way, the compositions are substantially free of an acid form of the anti-inflammatory lipid mediators. This composition can be topically delivered to the ocular surface via a preparation, solution, gel, ointment, and/or strip and/or a contact lens. | 01-03-2013 |
20130065056 | PHOTOCHROMIC MATERIALS HAVING EXTENDED PI-CONJUGATED SYSTEMS AND COMPOSITIONS AND ARTICLES INCLUDING THE SAME - The present invention provides ophthalmic devices comprising at least one photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials. | 03-14-2013 |
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 |
20130289135 | POLYMERIC COMPOSITIONS COMPRISING AT LEAST ONE VOLUME EXCLUDING POLYMER - The present invention relates to compositions comprising a polymeric substrate comprising at least one volume excluding polymer. In one embodiment, the present invention provides polymeric articles that are capable of acting as osmotic drivers. The articles are capable of maintaining a desired water balance by moving water in or out of a substrate to maintain cation concentration equilibrium between the substrate and its environment. | 10-31-2013 |
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 |