Patents for B29D 11 - Producing optical elements, e.g. lenses or prisms (15,288)
09/1998
09/29/1998US5814355 Intersecting grooves
09/29/1998US5814134 Apparatus and method for degassing deionized water for inspection and packaging
09/29/1998CA2055138C Polymers and their use for flexible intraocular lenses
09/24/1998WO1998041904A1 A method of producing embosse, light-diffracting patterns
09/24/1998WO1998041379A1 Method of injection molding plastic lens
09/24/1998CA2283766A1 A method of producing embossed, light-diffracting patterns
09/23/1998EP0866349A1 Optical fiber guide block fabrication method, mold therfor, method of fabricating mold, and grindstone
09/23/1998EP0865615A1 Methods of manufacturing contact lenses
09/23/1998EP0687365B1 A secondary coating line
09/23/1998CN1193746A Method of manufacturing self-support optical cable
09/22/1998US5810957 Method for forming holographic foil
09/17/1998WO1998040768A1 Method of manufacturing distributed refractive index optical fiber
09/16/1998EP0864109A1 Method of making graded index polymeric optical fibres
09/15/1998US5808806 Optical element having regions of different refractive indices for refraction of light transmitted therethrough and wherein the regions form a refractive lens and method of fabricating the same
09/15/1998US5808721 Ophthalmic lens wafers and receiver for registering such wafers
09/15/1998US5807927 Crosslinked polymers containing urethane groups
09/15/1998US5807906 Radiation; crosslinking; swelling
09/15/1998CA2080435C System and method for preparing fiber optic ribbons
09/09/1998EP0863415A2 Method and apparatus for producing a graded refractive index plastic optical fiber
09/08/1998US5805343 Optical element and a method for forming the same
09/08/1998US5805336 Optical lens blank with polarizer aligned between plastic birefringent sheets
09/08/1998US5805266 Method of machining contact lenses
09/08/1998US5804107 Consolidated contact lens molding
09/03/1998WO1998038137A1 Process and device for manufacturing networks of microlenses
09/03/1998WO1998038032A1 Lens thickness adjustment in plastic injection mold
09/02/1998EP0647183B1 Lamellar polymeric body and method of production
09/02/1998CN1192176A Optical fibre cable and method of manufacture
09/02/1998CN1192175A Microprism matrix
09/02/1998CN1191982A Method of molding optical connector ferrule
09/01/1998US5801884 Optical device and process for producing the same
09/01/1998US5800907 For providing stereoscopic or three-dimensional images
09/01/1998US5800744 Method for producing a dioptric photocromic semi-finished lens
08/1998
08/27/1998WO1998036898A1 Gasket for lens making
08/27/1998WO1998036868A1 Method and apparatus for assembling lens-forming device
08/26/1998EP0742753B1 Method of cast molding toric contact lenses
08/25/1998US5798779 Ultrasonic printing apparatus and method in which the phases of the ultrasonic oscillators are controlled to prevent unwanted phase cancellations
08/25/1998CA2056266C Oxygen permeable contact lens and method of manufacture therefor
08/20/1998WO1998035827A1 Method of making replicas and compositions for use therewith
08/19/1998CN1190928A Retroreflective elements
08/19/1998CN1190616A Method for making blanket and method for making optical element and shaping method thereof
08/18/1998US5796462 For astigmatic patients
08/13/1998WO1998028652A3 Method of forming colored contact lens having very natural appearance and product made thereby
08/12/1998EP0857565A1 Basecurve mold designs to maintain hema ring/basecurve adhesion
08/11/1998US5793465 Toric surfacecasting
08/11/1998US5792392 Lens thickness adjustment in plastic injection mold
08/05/1998CN1189797A Adhesive photochromic matrix layers for use in optical articles
08/05/1998CN1039455C Method for preparing tinted contact lens
08/04/1998US5789464 Photocrosslinked polymers
08/04/1998US5789461 Biocompatible lens having high oxygen permeability and high water permeability
07/1998
07/30/1998WO1998032590A1 Diffractive optical elements
07/29/1998EP0854784A1 Cleaning process
07/28/1998US5786002 Guide block assembly for aligning bore forming pins during molding of multi-fiber optical connector ferrules
07/21/1998US5783636 Graded-refractive-index optical plastic material and method for its production
07/21/1998US5783017 Applying a hologram to a substrate
07/21/1998US5782460 Process and device for the manufacture of mouldings
07/15/1998EP0696955B1 Moulded photochromic lens and method of making same
07/15/1998EP0695231B1 Moulded photochromic lens and method of making same
07/15/1998CN1187599A Plastic lens for vehicle light assembly and method of manufacturing same
07/14/1998US5780079 Apparatus for molding a connector
07/14/1998US5779943 Coating an inner surface of a mold with latent hydrophobic material, filling the coated mold with monomeric material which is polymerizable to an oxygen permeable material, curing, converting coating to hydrophillic form
07/08/1998EP0852339A1 Method of molding an optical connector ferrule
07/07/1998US5776999 Balance of oxygen and water permeability
07/07/1998US5776381 Process and apparatus for the production of optical lenses
07/02/1998WO1998028653A1 Toric contact lens markings
07/02/1998WO1998028652A2 Method of forming colored contact lens having very natural appearance and product made thereby
07/02/1998WO1998028126A2 Polymeric processing system for producing ophthalmic lenses
07/02/1998CA2275239A1 Polymeric processing system for producing ophthalmic lenses
07/02/1998CA2274848A1 Method of forming colored contact lens having very natural appearance and product made thereby
07/01/1998EP0850751A1 Scanning laser demolding of ophthalmic lenses
07/01/1998EP0850750A2 Process for producing a microstructured body, a casting frame and an integrated optical object
07/01/1998EP0850264A1 Polymer optical fibers and process for manufacture thereof
07/01/1998EP0636064A4 Lenses with high impact resistance and high scratch resistance.
07/01/1998CN1186550A Polysiloxane polyhydric alcohol large molecule monomer, its manufacture and use
06/1998
06/27/1998CA2225977A1 Method of molding an optical connector ferrule
06/25/1998WO1998026707A1 Plastic trial lens, its injection molded article and its molding apparatus
06/24/1998EP0849315A1 Acrylic flexible light pipe of improved photo-thermal stability
06/23/1998US5770669 Silcone-containing polymer having oxygen permeability suitable for ophalmic applications
06/23/1998US5770125 Haptic attachment system for intraocular lenses using diode laser
06/23/1998US5770122 Roll former for an extruded fresnel lens
06/23/1998US5770119 Laser demolding method
06/17/1998EP0847330A1 Method and composition for the manufactue of ophthalmic lenses
06/17/1998CA2223380A1 Acrylic flexible light pipe of improved photo-thermal stability
06/16/1998CA2040520C Process for hydrating soft contact lenses
06/10/1998EP0846708A2 Photochromic resin compositions
06/10/1998CN1184447A Method and apparatus for producing seamless retroreflective sheeting
06/10/1998CN1184446A A method for forming a retroreflective sheeting
06/09/1998US5762837 Increasing the tensile strength by rotating the compressed, heated polymer
06/09/1998US5762836 Method for making an intraocular implant with a soft lens
06/09/1998US5762081 Automated apparatus for hydrating soft contact lenses
06/09/1998CA2121330C Method and apparatus for manufacturing lenses using thin coatings
06/05/1998CA2223336A1 Photochromic resin compositions
06/04/1998WO1998023978A1 Method of producing lens sheet and projection screen
06/02/1998US5760139 Graded-refractive-index optical plastic material and method for its production
06/02/1998US5760100 Oxygen and ion or water permeability
06/02/1998US5759683 Holographic document with holographic image or diffraction pattern directly embossed thereon
06/02/1998US5759457 Method for manufacturing an optical element
05/1998
05/27/1998EP0844501A2 Plastic optical fibre with two cores
05/27/1998EP0844056A1 Microprism matrix
05/27/1998EP0821642A4 Apparatus and method for moulding contact lenses
05/26/1998US5757459 Multifocal optical elements