Patent application number | Description | Published |
20100168359 | TRI-FUNCTIONAL UV-ABSORBING COMPOUNDS AND USE THEREOF - Described herein are tri-functional compounds useful in the production of ophthalmic lenses. The compounds are composed of UV absorber having a polymerization initiator directly or indirectly bonded to the ultraviolet absorber, and an olefinic group directly or indirectly bonded to the ultraviolet absorber. Also described herein are polymers and ophthalmic lenses produced from the tri-functional compounds described herein. | 07-01-2010 |
20100258961 | Method for making silicone hydrogel contact lenses - The invention provide a method for making silicone hydrogel based on the Lightstream Technology from a monomer mixture with a curing time of less than about 100 seconds. The present invention is also related to silicone hydrogel contact lenses made according to methods of the invention. | 10-14-2010 |
20110063567 | PREPOLYMERS SUITABLE FOR MAKING ULTRA-VIOLET ABSORBING CONTACT LENSES - The invention provides a class of actinically-crosslinkable silicone-containing prepolymers which comprise (1) ethylenically-unsaturated groups and (2) UV-absorbing polymeric units, latent UV-absorbing polymeric units, and/or dual photo-functional polymeric units. The prepolymer of the invention can be used to prepare silicone hydrogel contact lenses capable of absorbing UV/visible radiation. The present invention is also related to silicone hydrogel contact lenses made from a prepolymer of the invention and methods for making the contact lenses in a cost-effective way and with high consistency and high fidelity to the original lens design. | 03-17-2011 |
20120139138 | METHOD FOR MAKING SILICONE HYDROGEL CONTACT LENSES - The invention provides a method for washing, with a water-based system, reusable molds for making silicone hydrogel contact lenses. The water-based washing system comprises an ethoxylated silicone polyether surfactant. The water-based system of the invention can effectively wash away silicone-containing components and other components of a lens formulation left behind on the molding surfaces of a reusable mold, after removing a silicone hydrogel contact lens cast molded in the reusable mold. | 06-07-2012 |
20120147323 | OPHTHALMIC LENSES MODIFIED WITH FUNCTIONAL GROUPS AND METHODS OF MAKING THEREOF - Described are methods for covalently attaching one or more functional compounds to an ophthalmic lens. The method involves (a) contacting the lens with a functional compound, wherein the functional compound comprises at least one group capable of forming a covalent bond with the lens upon exposing the lens to irradiation and/or heat; and (b) irradiating and/or heating the lens produced in step (a) to covalently attach the functional compound to the lens. Also described herein are ophthalmic lens produced by the methods described herein. | 06-14-2012 |
20120172478 | METHOD FOR MAKING SILICONE HYDROGEL CONTACT LENSES - The invention provide a method for making silicone hydrogel based on the Lightstream Technology from a monomer mixture with a curing time of less than about 100 seconds. The present invention is also related to silicone hydrogel contact lenses made according to methods of the invention. | 07-05-2012 |
Patent application number | Description | Published |
20080275155 | Radiation-Curable Water-Emulsifiable Polyisocyanates - The invention relates to radiation-curable, water-emulsifiable compounds containing isocyanate groups or capped isocyanate groups, and to their use. | 11-06-2008 |
20080280139 | Radiation-Curable Dispersible Polyurethanes and Polyurethane Dispersions - The present invention relates to UV-curable, dispersible polyurethanes and polyurethane dispersions, to a process for preparing them, and to their use. | 11-13-2008 |
20080300338 | Radiation-Curable Water-Emulsifiable Polyisocyanates - The invention relates to radiation-curable, water-emulsifiable compounds containing isocyanate groups or capped isocyanate groups, and to their use. | 12-04-2008 |
20100105833 | WATER-EMULSIFIABLE POLYISOCYANATES - The present invention describes a process for preparing water-emusifiable polyisocyanate. | 04-29-2010 |
20100183883 | WATER-DISPERSIBLE POLYISOCYANATES - The present invention relates to improved water-dispersible polyisocyanates intended more particularly for two-component polyurethane coating materials. | 07-22-2010 |
20100273938 | POLYISOCYANATES CONTAINING ALLOPHANATE GROUPS - The present invention relates to new, allophanate-group-containing polyisocyanates based on isophorone diisocyanate and to their use. | 10-28-2010 |
20110250438 | QUICK-DRYING COATING COMPOUNDS - The present invention relates to quick-drying two-component polyurethane coating compositions, to processes for preparing them, and to their use. | 10-13-2011 |
20110251335 | COATINGS REPAIRABLE BY INTRODUCTION OF ENERGY - The present invention relates to coating compositions repairable by introduction of energy and comprising defined fatty acid esters, to coatings obtained therewith and repairable by introduction of energy, to methods of producing them, and to their use. | 10-13-2011 |
20110257329 | QUICK-DRYING COATING COMPOUNDS - The present invention relates to quick-drying two-component polyurethane coating compositions, to processes for preparing them, and to their use. | 10-20-2011 |
20120016074 | HIGH-FUNCTIONALITY POLYISOCYANATES CONTAINING URETHANE GROUPS - The present invention relates to new, urethane-group-containing polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates, and to their use. | 01-19-2012 |
20120029144 | HIGH-FUNCTIONALITY POLYISOCYANATES CONTAINING URETHANE GROUPS - The present invention relates to new, urethane-group-containing polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates, and to their use. | 02-02-2012 |
20120095162 | HIGH-FUNCTIONALITY POLYETHEROLS AND PREPARATION AND USE THEREOF - The present invention relates to a process for preparing high-functionality polyethers having a Hazen color number of less than 500, by converting tris(hydroxyethyl) isocyanurate (THEIC) and one or more difunctional alcohols and/or modifying reagents with the aid of acidic catalysts. The present invention further relates to high-functionality polyethers having a color number of less than 10, obtainable by such a process, and to the use of these high-functionality polyethers as adhesion promoters, thixotropic agents, rheology modifiers of polymers, in printing inks, paints and coatings, or as units for preparation of polyaddition or polycondensation polymers. | 04-19-2012 |
20120251730 | TWO-COMPONENT COATING COMPOSITIONS - The present invention describes two-component coating compositions which for curing require no polyisocyanates or melamine-formaldehyde resins as crosslinkers. | 10-04-2012 |
20120288632 | CATALYSTS FOR POLYURETHANE COATING COMPOUNDS - The present invention relates to coating compositions for polyurethane coating materials that feature new catalysts. | 11-15-2012 |
20130303758 | PREPARATION OF POLYISOCYANATES HAVING ISOCYANURATE GROUPS AND THEIR USE - The present invention relates to a novel process for preparing polyisocyanates having isocyanurate groups by a partial trimerization of (cyclo)aliphatic diisocyanates in the presence of at least one trimerization catalyst from the group of ammonium salts of lactames and to the use of the thus obtainable polyisocyanates having isocyanurate groups as a polyisocyanate component in polyurethane coatings. | 11-14-2013 |
20140031483 | COATINGS REPAIRABLE BY INTRODUCTION OF ENERGY - The present invention relates to coating compositions repairable by introduction of energy and comprising defined fatty acid esters, to coatings obtained therewith and repairable by introduction of energy, to methods of producing them, and to their use. | 01-30-2014 |