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WO/2008/054791A2 |
The present invention relates to compositions comprising a light absorbing prepolymer having a molecular weight of between about 7,000 and about 100,000 and polymeric units derived from and least one reactive colorant and monomers select...
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WO/2008/054651A2 |
The present invention is a process for forming ophthalmic devices such as contact lenses, comprising the steps of curing a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component and at ...
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WO/2008/053073A1 |
This invention is directed to a method for producing an optical product, such as a protective lens of a mobile phone, in which production process a planar disc preform (2) is moved, carried from an area around a centre hole, from a worki...
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WO2008017740B1 |
The present invention relates to a method and an apparatus for applying a film of coating (63) to one face (108) of an optical element (100), comprising the depositing of the coating on the face of the lens, an adhesive interface (46) be...
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WO/2008/055033A1 |
The present invention provides molds (102, 103) useful in contact lens production, which molds incorporate a centering and spacing feature in the form of tabs (116) on one of the mold halves. The spacing feature both centers the mold hal...
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WO/2008/051578A2 |
The lens of the present invention relates to multifocal spectacle lenses, including bifocal and trifocal lenses, with improved cosmetic appearance, optical performance and wide visual field. The lens comprises a plurality of axially laye...
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WO/2008/046761A1 |
Lens holder (1) for holding an optical lens (2) during dip coating, which comprises: holding means (3) for holding the optical lens, and supporting means for operating the holding means, said holding means (3) comprising a first arm (3a)...
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WO/2008/047500A1 |
Main areas (MA) which are parts of a second surface member (21) are scattered on a first surface member (11). The other parts of the first surface member (11) among the main areas (SA, SA) are cut (divided), thus completing a diffusing u...
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WO/2008/045711A1 |
A method of forming an optical film results in a film having a useful central 60% portion with a caliper variation of about 5% or less of an average thickness of the film. The method includes selecting a draw ratio λ in a first in-plane...
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WO/2008/043853A2 |
The invention relates to a photochromic film, the preparation and use of such a film, objects covered by such a photochromic film, such as window panes, and devices comprising objects covered by such a photochromic film, such as windows.
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WO/2008/042277A1 |
The present invention includes molds (100) for forming ophtalmic lenses (108), such as contact lens. In particular, the present invention relates to apparatus, molds and methods for fashioning an ophthalmic lens with a mold assembly that...
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WO/2008/040849A1 |
The invention is directed to a method for producing an optical product, such as a lens of a mobile phone, wherein in the production and further processing method an identifier (2) identifying the product is achieved, by which the genuine...
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WO/2008/037455A1 |
To produce a printed lenticular film web, in particular a lenticular label web, a lens forming device (1), which forms a lenticular lens system on a first flat side (3) of a transparent film web (7), and a printing device (9), which prin...
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WO/2008/039485A1 |
The present invention includes molds for forming ophthalmic lenses, such as contact lens. In particular, the present invention relates to apparatus, molds and methods for fashioning mold parts used to fashion an ophthalmic lens which inc...
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WO/2008/039802A2 |
The subject invention provides lenses, and methods for designing and manufacturing these lenses, with reduced chromatic aberration. Advantageously, these lenses are specifically designed to correct chromatic aberration that results as mu...
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WO/2008/035749A1 |
A method of manufacturing an optical element, comprising the steps of : preparing a mold (1) having concave portions for molding a first resin into an optical member having a predetermined shape as well as a plate-like member (2) having ...
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WO/2008/036795A1 |
The invention provides an improved process for manufacturing silicone-hydrogel contact lenses by the use of room-temperature or cold water in the steps of separating a mold into a male mold half and female mold half and dislodging (or re...
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WO/2008/036064A2 |
The preferred embodiment provides for development and use of an array of nanowires with a period smaller then 150 nm for applications such as an optical polarizer. To manufacture such structures the preferred embodiment employs a hard na...
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WO/2008/036607A2 |
Contact lens molds and methods of producing soft cast-molded contact lens products are provided. The methods include placing a soft hydrophilic contact lens-forming composition in a cavity formed between a first mold member and a second ...
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WO2008011279B1 |
A method of making an array (18) of aberrated optical elements (20). The method comprises the steps of providing a substrate having a first surface with forming elements thereon, and controlled working a localized region on the first sur...
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WO2007145611A9 |
A system and method for providing photochromic segmented multifocal optical lenses. A latex primer formulation is provided for effectuating adhesion of a surface casting composition onto a lens having a photochromic coating. The method p...
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WO/2008/031879A1 |
The invention relates to a process for obtaining an impact resistant, abrasion and/or scratch resistant photochromic article comprising a substrate having two main faces, comprising the steps of: i) preparing a curable coating compositio...
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WO/2008/027713A1 |
A method for hydrating a contact lens, involving filling a well containing a contact lens with aqueous solution, using multiple injection nozzles which inject streams of the aqueous solution into the well. The multiple injection nozzles ...
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WO/2008/027137A1 |
The method of forming a molded plastic article having at least one molded extension from a second surface and a first surface substantially free of sink mark defects. The method involves providing a mold that includes a first mold portio...
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WO/2008/027136A1 |
A method of forming a molded plastic article (2) having a second surface (56) with molded extensions (59), and a first surface (69) that is substantially free of sink mark defects. The method involves forming, from a first plastic materi...
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WO/2008/024871A2 |
An apparatus (110) for producing aerial images having a combination of plastic spherical mirrors (45), beamsplitter polarizing filters (51), and light sources (115). An object (DO) to be displayed is illuminated, and its image is partial...
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WO/2008/024873A2 |
A device using a low-cost plastic curved mirror (5) and several combinations of methods for reducing aberrations to improve a real image projection system is provided, so as to reduce ghost and astigmatism phenomenon. The real image proj...
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WO/2008/024876A2 |
A vending or transaction-based machine having an aerial display system is provided. The aerial display system having a low-cost plastic spherical mirror includes an aerial display system having an inexpensive optical device and a high lu...
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WO/2008/024071A1 |
The present invention provides a variable focus semi-solid zoom lens, methods of making and using the variable focus lens and optical devices containing the variable focus semi-solid lens. The focal length is controllable by changing the...
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WO/2008/024867A2 |
An aerial projection system and method having a housing for positioning low cost optical elements capable of generating a three dimensional aerial images at video rates without reflected artifacts or visible display of the display screen...
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WO/2008/024861A2 |
A method for fabricating a plastic spherical mirror is disclosed. First, a plastic part with a mirror surface supported by a plurality of wall structures is designed. Next, a metal mold including mold for forming the plastic part accordi...
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WO/2008/023048A2 |
A method of coating a contact lens comprising the steps of forming an initiator layer on the surface of the contact lens by plasma deposition of at least one initiator monomer and polymerising a propagation monomer onto the initiator lay...
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WO2007064032A9 |
An optical sheet for display use wherein two or more optical sheets are stacked therein and the optical sheets are joined to one another on one peripheral side of each by a thermoadhesive film is to be provided. Also an optical sheet for...
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WO/2008/020867A2 |
Described herein are electrostatically stabilized nanoparticles. Methods of manufacturing non- agglomerated crystalline nanoparticles in water and polar solvents and encapsulation of nanoparticles to assemble room temperature curable tra...
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WO/2008/017716A1 |
This invention is directed to improved lens molds (1) for the production of ophthalmic lenses, in particular colored contact lenses. The invention involves protective coatings (3) for extended use and repair of reusable glass or quartz m...
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WO/2008/015318A1 |
The invention concerns a method for producing a lens (6), one side of which (9, 10) has a complex multifocal or progressive or regressive multifocal surface (7). This method comprises the following steps: 1 - forming a mold (1) composed ...
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WO/2008/015210A1 |
The present invention relates to a process for transferring a coating (1) borne by a carrier (2) onto at least one surface of the substrate (8) of an optical article, said carrier bearing an outermost coating having an exposed surface, c...
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WO/2008/015223A1 |
The present invention relates to a process for transferring a stack of coatings borne by a removable carrier onto an optical article, comprising: obtaining a carrier having a main surface bearing a stack of coatings, said stack comprisin...
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WO/2008/015320A1 |
The invention concerns a device for applying to one side of a lens a coating film (63) that has been pre-deposited on the side of the lens in question, said device comprising a seat (40) capable of receiving the lens, a membrane (62) com...
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WO/2008/012152A1 |
Method and device for singulation ophthalmic lenses, characterized by a vessel (3) with one or more admission openings (7) that ar designed to generate a turbulent flow in this vessel, and by a vacuum gripper (4) by means of which indidv...
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WO/2008/013950A2 |
The current invention provides a method of forming a foldable intraocular having a high refractive index from a copolymer comprising a first monomer comprising an aryl acrylate or an aryl methacrylate; a second monomer comprising an arom...
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WO/2008/014330A2 |
A method of generating a high precision optical surface profile includes obtaining a high precision optical surface profile which contains information of the optical path difference map of the profile. A substrate material has a known in...
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WO/2008/005201A2 |
The present invention includes methods and appartus for the reduction of excess polymeric flash ring during forming of an ophthalmic lens, in a area defined by a first mold part (102) and a second mold part (101) wherein during the forma...
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WO/2008/000414A1 |
A method for manufacturing ophthalmic lenses, e.g. contact lenses, in particular soft contact lenses, comprises the steps of molding in a high volume manufacturing process a plurality of lenses (CL) having different properties, and trans...
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WO/2008/000402A2 |
Disclosed is a multilayer element for displaying microimages that are provided with gray shades or color shades. Said multilayer element comprises a transparent first layer into which a plurality of microlenses are molded, and a second l...
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WO/2008/002398A2 |
The present invention includes methods and apparatus for forming a biomedical device, such as an ophthalmic lens, wherein the biomedical device is formed with a mold part which is water soluble.
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WO/2007/144308A1 |
A method of bonding a film (2) to a curved substrate (1) comprises preforming the film by applying a pneumatic pressure difference between two sides of the film and by heating said film. An intermediate shape is then conferred on the fil...
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WO/2007/146365A2 |
The present invention includes molds for forming ophtalmic lenses, such as contact lens. In particluar, the present invention relates to apparatus, molds and methods for fashioning an ophthalmic lens with a mold assembly that includes a ...
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WO/2007/146137A2 |
The invention provides a cost-effective method for making a silicone hydrogel contact lens by casting a lens from a material which comprises a non-crosslinkable hydrophilic polymer, applying an LbL coating comprising at least one layer o...
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WO/2007/145263A1 |
A diffractive optical device (1) is composed of resins of different materials. A second diffractive device element (20) has a laminated structure bonded between a first diffractive device element (10) and a third diffractive device eleme...
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