Patent application number | Description | Published |
20090117189 | Method for the Production of Polymerized Nanoparticles and Microparticles by Ternary Agent Concentration and Temperature Alteration Induced Immiscibility - Polymerized drug delivery devices are described. Additionally, methods are described for producing and for using polymerized particles for use as drug delivery devices. | 05-07-2009 |
20090168012 | COATING SOLUTIONS COMPRISING SEGMENTED INTERACTIVE BLOCK COPOLYMERS - This invention is directed toward surface treatment of a device. The surface treatment comprises the attachment of interactive segmented block copolymers to the surface of the substrate by means of interactive functionalities of the segmented block copolymer reacting with complementary surface functionalities in monomeric units along the polymer substrate. The present invention is also directed to a surface modified medical device, examples of which include contact lenses, intraocular lenses, vascular stents, phakic intraocular lenses, aphakic intraocular lenses, corneal implants, catheters, implants, and the like, comprising a surface made by such a method. | 07-02-2009 |
20090169716 | COATING SOLUTIONS COMPRISING SURFACE ACTIVE SEGMENTED BLOCK COPOLYMERS - This invention is directed toward surface treatment of a device. The surface treatment comprises the placing of surface active segmented block copolymers to the surface of the substrate. The present invention is also directed to a surface modified medical device, examples of which include contact lenses, intraocular lenses, vascular stents, phakic intraocular lenses, aphakic intraocular lenses, corneal implants, catheters, implants, and the like, comprising a surface made by such a method. | 07-02-2009 |
20090171027 | SEGMENTED INTERACTIVE BLOCK COPOLYMERS - This invention is directed toward interactive segmented block copolymers useful to treat the surface of a substrate by means of interactive functionalities of the interactive segmented block copolymer material binding with complementary surface functionalities of the polymer substrate. | 07-02-2009 |
20090171049 | SEGMENTED REACTIVE BLOCK COPOLYMERS - This invention is directed toward reactive segmented block copolymers useful to treat the surface of a substrate by means of reactive functionalities of the reactive segmented block copolymer material reacting with complementary surface reactive functionalities of the polymer substrate. | 07-02-2009 |
20090171050 | SURFACE ACTIVE SEGMENTED BLOCK COPOLYMERS - This invention is directed toward surface active segmented block copolymers useful to treat the surface of a substrate by means of surface active functionalities of the surface active segmented block copolymer material binding with complementary surface functionalities of the polymer substrate. | 07-02-2009 |
20090171459 | COATING SOLUTIONS COMPRISING SEGMENTED REACTIVE BLOCK COPOLYMERS - This invention is directed toward surface treatment of a device. The surface treatment comprises the attachment of reactive segmented block copolymers to the surface of the substrate by means of reactive functionalities of the terminal functionalized surfactant material reacting with complementary surface reactive functionalities in monomeric units along the polymer substrate. The present invention is also directed to a surface modified medical device, examples of which include contact lenses, intraocular lenses, vascular stents, phakic intraocular lenses, aphakic intraocular lenses, corneal implants, catheters, implants, and the like, comprising a surface made by such a method. | 07-02-2009 |
20090173044 | Packaging Solutions - Packaging systems for storing ophthalmic devices such as contact lenses and to methods for packaging such ophthalmic devices with solutions to improve the comfort of the lenses during wear are disclosed. A packaging system includes an ophthalmic device stored in an aqueous packaging solution comprising a substantially water-soluble silicone-containing surfactant. Such solutions are retained on the surface of an unused lens for extended periods of time, resulting in surface modification that persists in the eye, which may provide significant improvement in the wetting properties of fresh contact lenses used for the first time and, moreover, even several hours after lens insertion, preventing dryness and improving lubricity. | 07-09-2009 |
20090287306 | Optical hydrogel material with photosensitizer and method for modifying the refractive index - A method for modifying the refractive index of an optical, hydrogel polymeric material. The method comprises irradiating predetermined regions of an optical, polymeric material with a laser to form refractive structures. To facilitate the formation of the refractive structures the optical, hydrogel polymeric material comprises a photosensitizer. The presence of the photosensitizer permits one to set a scan rate to a value that is at least fifty times greater than a scan rate without the photosensitizer in the material, yet provides similar refractive structures in terms of the observed change in refractive index. Alternatively, the photosensitizer in the polymeric material permits one to set an average laser power to a value that is at least two times less than an average laser power without the photosensitizer in the material, yet provide similar refractive structures. | 11-19-2009 |
20100069522 | LENSES COMPRISING AMPHIPHILIC MULTIBLOCK COPOLYMERS - This invention describes the use of amphiphilic multiblock copolymers comprising a hydrophobic segment and a hydrophilic the amphiphilic multiblock copolymer has at least one thio carbonyl thio group capable of participating in a free radical reaction as comonomers in forming ophthalmic devices such as contact lenses, intraocular lenses, corneal implants, etc. | 03-18-2010 |
20100315588 | Biomedical devices - Biomedical devices such as contact lenses formed from a polymerization product of a mixture comprising (a) a hydrophilic polymer comprising one or more hydrophilic units and one or more thio carbonyl thio fragments of a reversible addition fragmentation chain transfer (“RAFT”) agent; and (b) one or more biomedical device-forming monomers are disclosed. | 12-16-2010 |
20100317809 | Biomedical devices - Biomedical devices such as silicone hydrogels formed from a polymerization product of a mixture comprising (a) a siloxane-containing homopolymer comprising one or more thio carbonyl thio fragments of a reversible addition fragmentation chain transfer (RAFT) agent; and (b) one or more biomedical device-forming monomers are disclosed. | 12-16-2010 |
20100317816 | Biomedical devices - Biomedical devices such as contact lenses formed from a comprising a polymerization product of a mixture comprising an ethylenically unsaturated-containing non-amphiphilic macromonomer comprising hydrophilic units or hydrophobic units derived from a living radical polymerization of one or more ethylenically unsaturated hydrophilic monomers or one or more ethylenically unsaturated hydrophobic monomers are disclosed. | 12-16-2010 |
20100317817 | Biomedical devices - Biomedical devices such as contact lenses formed from a polymerization product of a mixture comprising (a) a random copolymer comprising hydrophilic units and hydrophobic units, wherein the random copolymer has at least one thio carbonyl thio fragment of a reversible addition fragmentation chain transfer (“RAFT”) agent are disclosed. | 12-16-2010 |
20100318185 | Biomedical Devices - Biomedical devices such as contact lenses formed from a polymerization product of a mixture comprising (a) a multi-armed macromonomer comprising multiple side chains attached to a nucleus, wherein each side chain comprises a thio carbonyl thio fragment of the same or different reversible addition fragmentation chain transfer (“RAFT”) agent; and (b) one or more biomedical device-forming monomers are disclosed. | 12-16-2010 |
20110009519 | MONO ETHYLENICALLY UNSATURATED POLYMERIZABLE GROUP CONTAINING POLYCARBOSILOXANE MONOMERS - 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. | 01-13-2011 |
20110009587 | MONO ETHYLENICALLY UNSATURATED POLYCARBOSILOXANE MONOMERS - 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 polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. | 01-13-2011 |
20110009658 | Mono Ethylenically Unsaturated Polycarbosiloxane Monomers - 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 polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. | 01-13-2011 |
20110152399 | SURFACE TREATMENT OF BIOMEDICAL DEVICES - A surface modified biomedical device is provided comprising a biomedical device having a coating on at least a portion thereof, the coating comprising a polymer or copolymer having one or more repeating units of the formula: | 06-23-2011 |
20120022180 | BIOMEDICAL DEVICES - Biomedical devices such as silicone hydrogels formed from a polymerization product of a mixture comprising (a) a siloxane-containing homopolymer which has only one thio carbonyl thio fragment of a reversible addition fragmentation chain transfer (RAFT) agent; and (b) one or more biomedical device-forming comonomers are disclosed. | 01-26-2012 |
20120157565 | Polymerizable Surfactants and Their Use as Device Forming Comonomers - This invention describes the use of polymerizable surfactants as comonomers in forming ophthalmic devices such as contact lenses, intraocular lenses, corneal implants, etc. | 06-21-2012 |