Patents for B29L 11 - Optical elements, e.g. lenses, prisms (3,629)
09/1999
09/15/1999EP0941502A1 Optical structures for diffusing light
09/08/1999EP0940244A2 Method and apparatus for manufacturing lenses and a lens manufactured thereby
09/07/1999US5948327 Lens injection-compression-molding method
08/1999
08/25/1999EP0807015B1 Prevention of groove tip deformation in brightness enhancement film
08/18/1999EP0404888B1 Plastic lens compositions and apparatus for the production thereof
08/17/1999US5938988 Multiple optical curve molds formed in a solid piece of polymer
08/10/1999US5935492 Method and apparatus for demolding ophthalmic contact lenses
08/10/1999CA2002075C Plastic lens composition and method for the production thereof
07/1999
07/28/1999EP0741637B1 Treatment of contact lenses with supercritical fluid
07/27/1999US5928682 Annular gated mold for the injection molding of contact lenses
07/13/1999US5922369 Apparatus for making a synthetic resin layered lens for a vehicle lighting device
07/13/1999US5922251 Method of manufacturing plastic lenses
07/08/1999WO1999033632A1 Erecting life-size resin lens array and method of manufacturing it
07/07/1999EP0760106B1 Method of increasing the concentration of radiation-absorbing agents in optical and ophthalmic lenses
06/1999
06/29/1999US5916494 Rotational indexing base curve deposition array
06/23/1999EP0924538A1 Method for the manufacture of a light-polarizing polyvinylene sheet
06/22/1999US5914074 Mold clamping and precure of a polymerizable hydrogel
06/19/1999CA2249898A1 Method for the manufacture of a light-polarizing polyvinylene sheet
06/17/1999WO1999029494A1 Method for obtaining an ophthalmic lens comprising a surface utility microstructure and resulting ophthalmic lenses
05/1999
05/25/1999CA2149020C Process for hydrating soft contact lenses
05/25/1999CA2100794C Method and apparatus for the production of plastic lenses
05/19/1999CN1217068A Light fixture contg. optical film
05/12/1999EP0809564B1 Method of deblocking, extracting and cleaning polymeric articles with supercritical fluid
05/12/1999EP0787311B1 Retroreflective tilted prism structure
05/11/1999US5901948 Jig for holding contact lens material, using light-scattering bonding adhesive
05/04/1999US5900287 Scratch resistant optical films and method for producing same
04/1999
04/28/1999EP0911360A1 Glass-filled clear plastic for fabrication of optical lenses by injection molding
04/22/1999WO1999019128A1 Device for molding ophthalmic lens material and method of molding therewith
04/14/1999CN1214007A Optical lens preforms
04/14/1999CN1214005A Method of mutually positioning a pair of shaping-tool halves facing each other, and shaping tool for manufacture of precision-made articles, in particular contact lenses
03/1999
03/31/1999CN1212764A Optical fiber with light extractor
03/31/1999CN1212763A Optical film
03/31/1999CN1212762A Optical film with increased gain at non-normal angles of incidence
03/31/1999CN1212761A Method for making optical film
03/31/1999CN1212760A Optical film with co-continuous phase
03/17/1999EP0902106A1 Heating furnace for a device for drawing a plastic optical fiber
03/17/1999CN1210986A Heating furnace for device for drawing plastic optical fiber
03/16/1999US5883607 Computers comprising scratch resistant optical films
03/16/1999US5882698 Lens mold for use in a contact lens inspection apparatus
03/03/1999EP0807272B1 High-efficiency k-sheet polarizer
03/02/1999US5876441 Intraocular lens with a press stretched portion
02/1999
02/17/1999EP0896875A2 Mold assembly for forming contact lens blank and method of producing contact lens from the blank
02/09/1999US5870233 Process for manufacture of fresnel lenses
01/1999
01/26/1999US5863993 Preparation method of polymeric rod and gradient-index rod lens using free radical bulk polymerization with temperature gradient
01/20/1999EP0891246A1 Method of mutually positioning a pair of shaping-tool halves facing each other, and shaping tool for the manufacture of precision-made articles, in particular contact lenses
01/20/1999EP0785854B1 Method for treating plastic mold pieces
01/19/1999CA2128158C Process and device for the manufacture of mouldings and mouldings manufactured in accordance with that process
01/05/1999US5855824 Retracting die fitting member from stationary die after compression; injection molding
12/1998
12/16/1998EP0883826A1 Optical fiber with light extractor
12/16/1998EP0883823A1 Optical film with increased gain at non-normal angles of incidence
12/16/1998EP0883822A1 Light fixture containing optical film
12/16/1998EP0883821A1 An optical film
12/16/1998EP0883820A1 An optical film with co-continuous phases
12/16/1998EP0883819A1 A method for making an optical film
12/15/1998US5850107 For separating individual contact lens mold assemblies
12/15/1998US5849810 Photocrosslinked polymers
12/15/1998US5849225 Disc base molding method and apparatus therefor
12/15/1998US5849222 Method for reducing lens hole defects in production of contact lens blanks
12/15/1998US5849209 Mold material made with additives
11/1998
11/18/1998EP0878291A1 Method for fabricating tools for molding diffractive surfaces on optical lenses
11/17/1998US5837314 Method and apparatus for applying a surfactant to mold surfaces
11/17/1998US5836323 Automated method and apparatus for hydrating soft contact lenses
11/17/1998CA2040487C Chamber for hydrating contact lenses
10/1998
10/20/1998US5825543 Optical body
10/15/1998WO1998045108A1 Transparent article with radial refractive index gradient and process for its manufacture
10/13/1998US5820895 Conductive probe for heating contact lens mold assemblies during demolding
10/07/1998CN1040081C Method and mould assembly for molding lenses
09/1998
09/29/1998US5815238 Scanning laser demolding of ophthalmic lenses
09/15/1998CA2103870C Manufacture of vitreous silica product
09/08/1998US5804107 Consolidated contact lens molding
08/1998
08/19/1998CN1190616A Method for making blanket and method for making optical element and shaping method thereof
08/12/1998EP0857565A1 Basecurve mold designs to maintain hema ring/basecurve adhesion
08/04/1998US5789464 Photocrosslinked polymers
07/1998
07/29/1998CN1188708A Forming process for plastic forming article and metal mould for forming thereof
07/21/1998US5783120 Refractive index adjustable by orientation; polymer particlesin birefringence matrix
07/21/1998US5782460 Process and device for the manufacture of mouldings
07/14/1998US5780079 Apparatus for molding a connector
07/07/1998US5776381 Process and apparatus for the production of optical lenses
07/01/1998EP0850751A1 Scanning laser demolding of ophthalmic lenses
06/1998
06/30/1998US5773178 Liquid crystal polymers for films for patterns
06/16/1998US5766675 Transmitting traction force between fasteners
06/16/1998CA2040520C Process for hydrating soft contact lenses
06/11/1998WO1998025181A1 Optical structures for diffusing light
06/10/1998CN1184447A Method and apparatus for producing seamless retroreflective sheeting
06/10/1998CN1184446A A method for forming a retroreflective sheeting
06/09/1998US5762081 Automated apparatus for hydrating soft contact lenses
06/02/1998US5759456 Uniform thickness and reduced distortion by use of metallic molds and cast molding polymerization
05/1998
05/27/1998EP0788587B1 Process for manufacturing joint disks
05/26/1998US5756013 Method of molding a synthetic resin layered lens for a vehicle headlight
04/1998
04/28/1998US5744357 Contact lens production line pallet system
04/16/1998WO1998015774A1 Reflector blank and method and means of producing the same
04/09/1998DE19641162A1 Reflektorrohling, sowie Verfahren und Mittel zu seiner Herstellung Reflector blank, as well as methods and means for producing it
04/08/1998CN1037971C Preparation of polyrethane base resin for making lens
03/1998
03/11/1998CN1175921A Method of deblocking, extracting and cleaning polymeric articles with supercritical fluid
03/04/1998EP0825924A1 A method for forming a retroreflective sheeting
03/04/1998EP0825923A1 Method and apparatus for producing seamless retroreflective sheeting
03/03/1998US5723131 Contact lens containing a leachable absorbed material
02/1998
02/25/1998EP0825013A1 Multiple optical curve molds formed in a solid piece of polymer
02/25/1998EP0824713A2 Micro relief element and preparation thereof
02/24/1998US5721039 Synthetic resin layered lens for a vehicle lighting device, method of molding the same and apparatus therefore
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