Patent application number | Description | Published |
20090188525 | Apparatus, carrier and method for the plasma treatment of molds - An apparatus for the plasma treatment of molds ( | 07-30-2009 |
20090231576 | Method and Apparatus for Centering an Ophthalmic Lens - An ophthalmic lens (CL), e.g. a contact lens, is centered in a concave trough ( | 09-17-2009 |
20100155975 | MOLD RELEASE SHEET - The present invention relates to a mold half for making an ophthalmic lens, in particular a contact lens, wherein the mold half comprises a release sheet removably arranged on the mold surface of said mold half to separate a lens forming material from the mold surface, as well as to a method for applying a removable mold release sheet to said mold half. The mold half of the invention comprises a vacuum means to removably attach said release sheet to said mold surface, and preferably the mold half further comprises a pinch-off rim for forming the edge of said ophthalmic lens. | 06-24-2010 |
20100316476 | METHOD AND DEVICE FOR SINGULATING OPHTHALMIC LENSES - The present invention relates to a method and a device for singulating ophthalmic lenses, particularly contact lenses. The method and the device are suitable for integration into an automated production of ophthalmic lenses, particularly contact lenses. | 12-16-2010 |
20110057337 | PLASTIC CASTINGS MOLDS - The invention is concerned with the problem that with known plastic casting moulds, especially those of polypropylene, the lenses produced with these moulds have a slippery surface. The invention solves this problem through the use of polymers which are notable for their very low oxygen permeability. | 03-10-2011 |
20110089585 | Method for the Simultaneous Manufacture of Ophthalmic Lenses, in Particular Contact Lenses, with Different Parameters on the Same Production Line - There is described a method for the simultaneous manufacture of contact lenses having different lens parameters on the same production line, where a number of molds, each comprising male and female mold halves, are transported in sequential rows of and in each row in side by side configuration through a series of treatment stations, which are arranged sequentially along a production line, in which lenses of specific parameters are manufactured from a lens forming material. During manufacture each lens is associated with a lens identification code. There is also described a closed cycle production line for carrying out the method. | 04-21-2011 |
20110089586 | Process For Manufacturing An Ophthalmic Lens - There is described a process for manufacturing an ophthalmic lens and an apparatus for forming an ophthalmic lens, in particular a silicone hydrogel contact lens, wherein in a mold assembly a first and a second mold half ( | 04-21-2011 |
20110147956 | METHOD OF DOSING A LENS FORMING MATERIAL INTO A MOLD - There is described a method of dosing a lens forming material into a mold ( | 06-23-2011 |
20110147957 | PROCESS AND APPARATUS FOR DISPENSING A FLOWABLE MATERIAL INTO A MOLD - A process for dispensing a flowable material including a volatile solvent into a mold, in particular a material for forming an ophthalmic lens, e.g. a contact lens, is disclosed. The process includes the steps of providing a mold; providing a dispenser; arranging the mold underneath the dispenser; dispensing the flowable material including the volatile solvent into the mold, the step of dispensing being performed in a local gas atmosphere substantially preventing the solvent from evaporating from the flowable material. | 06-23-2011 |
20110147959 | METHOD OF SEPARATING EXCESS LENS FORMING MATERIAL FROM A MOLDED OPHTHALMIC LENS, IN PARTICULAR A CONTACT LENS - There is described a method of separating excess lens forming material from a molded ophthalmic lens, in particular a contact lens. After polymerization and/or cross-linking of a lens forming material (P) within a mold cavity ( | 06-23-2011 |
20120314185 | SILICONE HYDROGEL LENSES WITH NANO-TEXTURED SURFACES - The invention is related to a method for making a silicone hydrogel contact lens having a nano-textured surface which mimics the surface texture of cornea of human eye. A method of the invention comprises creating a prime coating having nano-textures through controlled imbibition and/or depositions of a reactive polymeric coating material and fixing the nano-textures by crosslinking a hydrophilic polymeric material onto the prime coating to form a crosslinked polymeric coating that perserves the nano-textures of the prime coating and provides a nano-textured surface to the contact lens. | 12-13-2012 |
20130095235 | METHOD FOR MAKING UV-ABSORBING OPHTHALMIC LENSES - Described herein is a cost-effective and time-efficient method for making UV-absorbing contact lenses. In contrast to the conventional method for making UV-absorbing contact lenses which involves copolymerizing a lens forming composition including a UV-absorbing vinylic monomer, a method of the invention involves dipping a contact lens in a solution of UV-absorbing polymer comprising carboxyl-containing monomeric units and UV-absorbing monomeric units to form a UV-absorbing coating on the contact lens. | 04-18-2013 |
20140072665 | PROCESS FOR MANUFACTURING AN OPHTHALMIC LENS - There is described a process for manufacturing an ophthalmic lens and an apparatus for forming an ophthalmic lens, in particular a silicone hydrogel contact lens, wherein in a mold assembly a first and a second mold half ( | 03-13-2014 |
20140174956 | CONTAINER FOR ACCOMMODATING AN OPHTHALMIC LENS DURING A LENS TREATMENT PROCESS - A container ( | 06-26-2014 |
20140178595 | Method for Making Improved UV-Absorbing Ophthalmic Lenses - Described herein is a cost-effective and time-efficient method for making UV-absorbing contact lenses. In contrast to the conventional method for making UV-absorbing contact lenses which involves copolymerizing a lens forming composition including a UV-absorbing vinylic monomer, a method of the invention involves dipping a contact lens in a solution of UV-absorbing polymer comprising carboxyl-containing monomeric units, UV-absorbing monomeric units and covalently bound radical-initiating moieties to form a UV-absorbing coating on the contact lens. | 06-26-2014 |
20140199425 | METHOD OF SEPARATING EXCESS LENS FORMING MATERIAL FROM A MOLDED OPHTHALMIC LENS, IN PARTICULAR A CONTACT LENS - There is described a method of separating excess lens forming material from a molded ophthalmic lens, in particular a contact lens. After polymerization and/or cross-linking of a lens forming material (P) within a mold cavity ( | 07-17-2014 |