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