Patents for B29L 11 - Optical elements, e.g. lenses, prisms (3,629)
06/1991
06/06/1991WO1991008104A1 Method for forming plastic optical quality spectacle
06/06/1991CA2046585A1 Method for forming plastic optical quality spectacle lenses
05/1991
05/07/1991US5013496 Process for molding a highly-refractive plastic lens
04/1991
04/24/1991EP0377020A4 Method and apparatus for manufacturing disposable optical molds
04/24/1991EP0226581B1 Method for forming a peripheral edge on contact lenses
04/18/1991WO1991004846A1 Method and apparatus for manufacturing aspherically shaped small lenses
04/16/1991CA1282925C In-mold scratch resistant coating for peroxide curable urethane elastomers
04/03/1991EP0420403A1 Improved method for manufacturing hydrophilic contact lenses
03/1991
03/12/1991US4999142 Molding to form lenses, supports, insertion a core, filling with a transparent resin
03/06/1991EP0415765A2 Method of preparing composite polymer rods useful for preparing single-piece intraocular lenses with colored haptics
03/06/1991EP0414680A1 Light collector for stimulable phosphor imaging apparatus.
03/06/1991CN1049628A Improved method of mfg. hydrophilic contact lenses
01/1991
01/30/1991EP0410425A2 Process for producing low-dust-level polycarbonate molded article
01/29/1991US4988277 Contact lens
01/29/1991US4988274 Method and apparatus for producing an optical element
01/08/1991US4983332 Method for manufacturing hydrophilic contact lenses
01/02/1991EP0404888A1 Plastic lens compositions and apparatus for the production thereof
12/1990
12/11/1990US4976906 Method and apparatus for shaping a continuous rod-like molding
10/1990
10/31/1990EP0414680A4 Light collector for stimulable phosphor imaging apparatus.
10/30/1990US4966924 Soft contact lens and method of manufacturing the same
09/1990
09/18/1990US4957663 Cured epoxy resin on preform
09/11/1990US4955580 Contact lens mold
09/05/1990CN1045058A Apparatus for molding articles
08/1990
08/29/1990EP0384632A1 Colored contact lenses and method of making same
08/29/1990EP0192643B1 Improved optocoupler
08/22/1990EP0383425A2 Moulds for manufacturing contact lenses
08/16/1990EP0382420A2 Microstructure-bearing composite plastic articles and method of making
08/16/1990CA2009668A1 Colored contact lenses and method of making same
08/14/1990US4948537 Molding, curing first then second resin while controlling temperature
08/08/1990EP0380688A1 Injecting molding method involving pressing
07/1990
07/31/1990US4944899 Process and apparatus for casting lenses
07/24/1990CA1271909A1 Mold apparatus for use in spin casting a precisely configured article
07/11/1990EP0377020A1 Method and apparatus for manufacturing disposable optical molds
07/04/1990CN1043463A Contact lens cast moulding and packaging
06/1990
06/27/1990EP0255535B1 Moulding contact lenses
05/1990
05/31/1990WO1990005629A1 Plastic lens compositions and apparatus for the production thereof
05/29/1990US4929707 Polyurethane base lens resin, plastic lens comprising the resin and preparation method of the lens
05/17/1990WO1990005061A1 Optical plastics and methods for making the same
05/15/1990US4925379 Device for producing a plastic sheet of high optical quality
05/09/1990EP0367513A2 Contact lens cast moulding
05/03/1990WO1990004512A1 Fabrication of an intraocular lens
05/02/1990EP0366545A1 Process for producing an ophthalmic lens from a disc of synthetic material
05/01/1990US4921205 Lens mold assembly
04/1990
04/17/1990US4917833 Method of manufacturing information discs from a synthetic material by an injection molding device
04/04/1990EP0362137A2 Molded polymers with hydrophilic surfaces, and process for making them
03/1990
03/14/1990EP0357946A2 Method for preparing light polarizer
03/07/1990EP0357062A2 A process for manufacturing colored contact lenses
02/1990
02/13/1990US4900242 Apparatus for injection molding articles
02/08/1990WO1990000961A1 Injecting molding method involving pressing
02/07/1990CN1039429A Resin having large refractive index, lenses comprising resin and process for preparing lens
01/1990
01/30/1990US4897228 Method for producing optical disk base
01/30/1990US4896958 Flexible contact lens for enhanced movement on the eye
01/24/1990EP0351886A1 Process for the preparation of polycarbonate films with altered optical characteristics
01/23/1990US4895769 Method for preparing light polarizer
01/17/1990EP0351073A2 Lens comprising a resin having a large refractive index and process for preparing the lens
01/09/1990US4892692 Polycarbonates
12/1989
12/20/1989EP0347043A2 Contact lenses and means and methods of producing same
12/14/1989WO1989011966A1 Method and apparatus for manufacturing disposable optical molds
12/05/1989US4885125 Mixing with initiator and accelerator; pouring into mold; controlling time
12/05/1989CA1263747A1 Optical scanning unit with a translational- position and angular-position detection system
11/1989
11/28/1989CA1263208A1 Method and apparatus for making optical devices
11/16/1989WO1989010829A1 Method of molding plastic and mold therefor
11/15/1989EP0341747A2 Method for the polymerization rotation casting of lenses and equipment for performing this method
11/07/1989US4879082 Method for molding plastic material into disk shaped sabstrate for an optical information record carrier
11/07/1989US4879072 Method of manufacturing natural protein polymer contact lenses by molding and cross-linking
11/01/1989CN1036840A Flexible contact lens for enhanced movement on the eye
10/1989
10/17/1989US4874562 Method of molding a polyvinyl alcohol contact lens
10/17/1989US4874234 Toric contact lens with displaced center of gravity
10/12/1989DE3906564A1 Verfahren und vorrichtung zum herstellen von gegenstaenden, insbesondere optischen linsen Method and apparatus for producing articles, in particular optical lenses
10/10/1989US4873029 Inserting a tinted plastic wafer into a mold form containing molding material bondable upon curing
10/05/1989DE3809969A1 Process for producing a lens
10/03/1989US4871487 Heat plasticizing core and cladding materials, coextrusion to form rod having concave side
09/1989
09/26/1989CA1259766A1 Method and apparatus for molding articles
09/08/1989WO1989008020A1 Light collector for stimulable phosphor imaging apparatus
08/1989
08/30/1989EP0330363A2 Highly-refractive plastic lens and process for making the lens
08/30/1989EP0329711A1 2,4,4-tri- and 2,2,4,4-tetra substituted-1,3-dioxolane compounds
08/29/1989CA1258756A1 Process and apparatus for casting lenses
08/23/1989EP0329598A2 Flexible contact lens for enhanced movement on the eye
08/23/1989EP0329389A2 Polyurethane base lens and its preparation method
08/23/1989EP0329388A2 Plastic lenses having high-refractive index and process for the preparation thereof
08/22/1989EP0268617A4 Mold apparatus for use in spin casting a precisely configured article.
08/22/1989CA1258561A1 Method and equipment for the polymerization cast molding of articles, above all of lenses from hydrophilic gels
08/16/1989EP0328246A2 Molds for producing intraocular implants
06/1989
06/28/1989EP0322353A2 Method and apparatus for producing optical element
06/20/1989US4840754 Method of molding articles
06/06/1989US4837286 Excellent mold release when polymerized and molded in a mold
05/1989
05/31/1989EP0318348A1 Method and apparatus for producing plastic sheets having a high optical quality
05/16/1989CA1254008A1 Process and apparatus for casting lenses
05/09/1989US4828769 Method for injection molding articles
05/03/1989EP0314417A2 Method and apparatus for manufacturing lenses
05/02/1989CA1253368A1 Tricurve hydrophilic contact lens and process of molding same
04/1989
04/25/1989CA1252991A1 Process and apparatus for manufacturing a core provided with open helical grooves for receiving optical fibers
04/19/1989EP0312455A2 Molding apparatus
04/04/1989CA1251975A1 Optical element with a varying refractive index and a method for its manufacture
03/1989
03/28/1989US4815690 Apparatus for the production of monolithic intraocular implants
02/1989
02/21/1989US4806289 Method of making a hollow light pipe
02/21/1989US4806287 Hydrophobic liquid added to molding mixture
02/14/1989CA1250074A1 Process for the production of thermoformed articles
01/1989
01/24/1989US4800123 In-mold scratch resistant coating for peroxide curable urethane elastomers
01/18/1989EP0299628A1 Lens shell
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