Patents for B29L 11 - Optical elements, e.g. lenses, prisms (3,629)
01/1989
01/17/1989US4798690 Molding a glass-plastic composite lens
01/11/1989EP0298805A1 Process for making contact lenses from a natural protein polymer by moulding before cross-linking
12/1988
12/28/1988EP0296677A1 Injection moulding device for manufacturing discs from a synthetic material, and method of manufacturing information discs from a synthetic material by means of an injection moulding device
12/20/1988CA1246985A1 Cutting device and method for the precision trimming of the edge of a centrifugally cast lens
12/07/1988EP0294218A2 Manufacturing process for polygonal mirror
12/06/1988US4789320 Stamper-holding apparatus for use in injection mold
11/1988
11/29/1988US4788190 2,4,4-tri- and 2,2,4,4-tetra substituted-1,3-dioxolane antifungal, antiallergy compounds
11/29/1988US4788015 Process for preparation of optical disk substrate
11/22/1988US4786444 Mold with automatic alignment
11/08/1988US4783041 Mold for molding optical disc
10/1988
10/11/1988CA1242856A1 Shaped hydrogel articles
09/1988
09/14/1988CN87108126A Process for casting polymerization of lenses made by polyurethane resin having sulphur
09/06/1988CA1241514A1 Methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate
09/06/1988CA1241513A1 Method for making ophthalmic lenses
08/1988
08/17/1988EP0278105A1 2,4,4-Tri- and 2,2,4,4-tetra-substituted-1,3-dioxolane
08/03/1988EP0276897A2 Process for producing substrate for optical disk by annealing substrate with gradient double refraction distribution
07/1988
07/28/1988WO1988005381A1 A hollow light conductor, method and apparatus for manufacturing the same
07/28/1988WO1988005380A1 A polymeric optical waveguide, a method and an apparatus for the preparation thereof by coextrusion
07/14/1988WO1988005048A1 2,4,4-tri- and 2,2,4,4-tetra substituted-1,3-dioxolane compounds
06/1988
06/28/1988CA1238748A1 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
06/22/1988EP0271839A2 Casting polymerisation process for preparing sulfur-containing urethane resin lens
06/15/1988EP0270709A1 Process for the production of vinyl polymers
06/01/1988EP0268617A1 Mold apparatus for use in spin casting a precisely configured article
05/1988
05/11/1988EP0266952A1 Comolded polymer composites
04/1988
04/19/1988US4738516 Optical element having an aspheric surface
04/19/1988CA1235273A1 Method for casting polymeric gels from volatile mixtures of monomers in open molds and an equipment for performing this method
04/19/1988CA1235263A1 Lens casting mold
02/1988
02/24/1988EP0256139A1 Soft contact lens and process for its production
02/03/1988EP0255088A2 Method and apparatus for producing optical disk base
02/02/1988US4722813 Method and apparatus for spreading monomer mixtures in molds for the centrifugal casting of contact lenses
12/1987
12/16/1987CN87104162A Method and apparatus for molding articles
12/03/1987WO1987007208A1 Mold apparatus for use in spin casting a precisely configured article
11/1987
11/11/1987EP0244783A2 Method and apparatus for molding articles
10/1987
10/20/1987US4701288 Method of making articles of dissimilar polymer compositions
09/1987
09/22/1987CA1227125A1 Cutting device and method for the precision trimming of the edge of a cast lens
09/09/1987EP0235753A1 Manufacturing assembly and process for the production of an extruded tube provided with at least one optical fibre
09/02/1987EP0234632A1 Matrix for use in a replica process
08/1987
08/27/1987WO1987005124A1 Soft contact lens and process for its production
07/1987
07/30/1987WO1987004390A1 Moulding contact lenses
07/15/1987EP0228896A1 Curing apparatus for coated fiber
07/14/1987US4680336 Method of forming shaped hydrogel articles
07/14/1987US4680149 Contact lens
07/01/1987EP0227365A2 Method and apparatus for making optical devices
07/01/1987EP0226581A1 Method for forming a peripheral edge on contact lenses.
06/1987
06/16/1987US4673540 Communication
06/03/1987EP0224312A1 Matrix
06/02/1987US4670199 Method of producing a reflector for a headlight, particularly for an automobile, by two-material injection molding
05/1987
05/27/1987CN86104848A Optical scanning device for electric magnetic suspension lens flat moving and angle position measuring system
05/26/1987CA1222113A1 Extrusion coating apparatus
04/1987
04/28/1987CA1220908A1 Method and apparatus for forming an optical component
04/08/1987EP0217545A1 Method for the production of polymethacrylates
03/1987
03/18/1987EP0214815A1 Method for in-mold polymerization of unsaturated compounds
03/03/1987US4647261 Cutting device and method for the precision trimming of the edge of a cast lens
02/1987
02/24/1987US4645551 Bonding surfaces of light coupler and encapsulating material to prevent gaps
01/1987
01/27/1987CA1217019A1 Device and method for centrifugally casting articles
01/20/1987US4638471 Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective
01/15/1987WO1987000120A1 Method for forming a peripheral edge on contact lenses
01/13/1987US4636405 Ultraviolet transparent, infrared absorption
01/07/1987EP0207640A2 Method of making articles of dissimilar polymer compositions
12/1986
12/30/1986EP0206396A1 Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective
12/10/1986EP0204083A2 Process for the production of thermoformed articles
11/1986
11/18/1986US4623496 Lenses, curing resins on a support
10/1986
10/15/1986EP0197830A1 Method for making a reflector for a head light, in particular for a motor vehicle, by injection-moulding two materials, mould for carrying out this method and product obtained
10/07/1986US4615847 Method and apparatus for producing a lens having an accurately centered aspherical surface
09/1986
09/30/1986US4614634 Eliminating birefringence; heating in solvent or swelling agent; bisphenola polycarbonate
09/24/1986EP0195617A2 Process and apparatus for casting lenses
09/02/1986US4609507 Method for casting polymeric gels from volatile mixtures of monomer in open molds and apparatus for performing this method
07/1986
07/29/1986CA1208408A1 Device and method for centrifugally casting articles on a continuous basis
07/22/1986US4601861 Acrylic sheeting; cube-corner tipe reflectors
07/09/1986CN85108647A Process and apparatus for manufacturing a core provided with open helix grooves for optical fibre elementary cables
06/1986
06/10/1986US4594288 Optical lenses having a scratch-resistant coating
06/04/1986EP0183324A2 Plant for the automatic production of organic lenses
05/1986
05/28/1986EP0182659A2 Shaped hydrogel articles
05/27/1986US4591512 Immersing stretched polyvinyl alcohol in iodine stain, restretching and borating
04/1986
04/15/1986US4582655 Production of optical element with a varying refractive index
03/1986
03/13/1986WO1986001458A1 Process for bonding the surfaces of two materials and an improved optocoupler manufactured therewith
02/1986
02/19/1986EP0171975A2 Improved methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate
02/12/1986EP0171127A1 Extrusion coating apparatus
02/11/1986US4569807 Ophthalmic lens
02/04/1986CA1200062A1 Optical cable elements
12/1985
12/27/1985EP0165358A1 Device and method for centrifugally casting articles on a continuous basis
11/1985
11/05/1985US4551086 Device for centrifugally casting articles
10/1985
10/14/1985EP0144385A4 Tricurve hydrophilic contact lens and process of molding same.
09/1985
09/17/1985US4541979 Process and apparatus for manufacturing optical cable elements
09/11/1985EP0154382A2 Method of producing a lens element having an accurately centred aspherical surface formed by replication, and apparatus for carrying out the method
09/10/1985US4540532 Method and apparatus for molding ophthalmic lenses
08/1985
08/28/1985EP0152840A2 Method for making ophthalmic lenses
08/21/1985EP0152330A2 Cutting device and method for the precision trimming of the edge of a centrifugally cast lens
08/13/1985US4534723 Cutting device for the precision trimming of the edge of a centrifugally cast lens
08/07/1985EP0150537A2 Method of manufacturing an optical element
07/1985
07/30/1985US4531702 Injection mold for forming optical fiber connector
07/10/1985EP0147779A2 Process for the preparation of plastic films with modified optical characteristics
07/09/1985US4528325 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
06/1985
06/19/1985EP0145516A2 Cutting device and method for the precision trimming of the edge of a cast contact lens
06/19/1985EP0145392A2 Optical element with a varying refractive index and a method for its manufacture
06/19/1985EP0144385A1 Tricurve hydrophilic contact lens and process of molding same
06/05/1985EP0143253A1 Lens casting mold and process for using same in making an optical lens
05/1985
05/14/1985US4517139 Device and method for centrifugally casting articles on a continuous basis
05/08/1985EP0140717A2 A device for centrifugally casting articles
04/1985
04/30/1985US4514357 Production of molded articles having excellent optical characteristics
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