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Patent Searching and Data


Matches 651 - 700 out of 4,862

Document Document Title
WO/2008/029128
A security device comprises a transparent substrate (1 ) provided with a prismatic surface structure (2) defining an array of substantially planar facets. An adhesive layer (3) extends around the perimeter of one surface of the substrate...  
WO/2008/027136
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...  
WO/2008/027137
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...  
WO/2008/027713
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 ...  
WO/2008/024071
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...  
WO/2008/023048
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...  
WO/2008/023048
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...  
WO/2008/024871
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...  
WO/2008/024861
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...  
WO/2008/024861
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...  
WO/2008/024873
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...  
WO/2008/024876
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...  
WO/2008/024867
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...  
WO/2008/020867
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...  
WO/2008/017740
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...  
WO/2008/017740
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...  
WO/2008/017716
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...  
WO/2008/015318
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 ...  
WO/2008/015210
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...  
WO/2008/015223
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...  
WO/2008/015320
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...  
WO/2008/014330
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...  
WO/2008/013950
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...  
WO/2008/013950
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...  
WO/2008/012152
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...  
WO/2008/014211
Devices, systems, and methods for producing ophthalmic lens molds and molded ophthalmic lenses are described. The present devices, systems, and methods provide venting of gases produced during injection molding of ophthalmic lens molds. ...  
WO/2008/011279
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...  
WO/2008/006223
A moulding process to manufacture a moulded piece having multiple individual optical elements with the same or different dimensions. This is achieved by using a multicolour injection process as well as a multidrop injection manifold. In ...  
WO/2008/005201
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...  
WO/2008/005201
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...  
WO/2008/002398
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.  
WO/2008/000402
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...  
WO/2008/000402
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...  
WO/2008/000414
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...  
WO/2008/002398
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.  
WO/2007/145611
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...  
WO/2007/146365
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 ...  
WO/2007/146034
An improved optical collection and transmission surface includes a plastic mold injection surface including staggered multiple transmission sites each with a recessed portion in which incident light is not lost during reflection towards ...  
WO/2007/146365
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 ...  
WO/2007/146137
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...  
WO/2007/144308
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...  
WO/2007/146034
An improved optical collection and transmission surface includes a plastic mold injection surface including staggered multiple transmission sites each with a recessed portion in which incident light is not lost during reflection towards ...  
WO/2007/146137
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...  
WO/2007/145263
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...  
WO/2007/141594
A composition adapted for use in an in-situ coating process for coating an optical surface for ophthalmic applications. A coating composition according to the present invention includes at least one multifunctional acrylate compound whic...  
WO/2007/143418
Contact lens delensing methods are described, and the present delensing methods include using a gas to facilitate separation of a polymerized contact lens product from a contact lens mold member. The contact lens mold member is compresse...  
WO/2007/142909
A method of forming a filled via with an optically transmissive material and a resulting product. The method comprises drilling a via in a panel and filling the via with an optically transmissive material. The method can also be used to ...  
WO/2007/142100
A projection optical system (PS) manufacturing method evaluates an optical performance of an entire system from approximate planes of all the optical planes in the projection optical system (PS) and changes at least one of the approximat...  
WO/2007/143418
Contact lens delensing methods are described, and the present delensing methods include using a gas to facilitate separation of a polymerized contact lens product from a contact lens mold member. The contact lens mold member is compresse...  
WO/2007/139666
Methods of forming a plastic element include dispensing a quantity of a liquid precursor material into a first die mold, positioning a carrier tape on the first die mold above the dispensed liquid precursor material, bringing a second di...  

Matches 651 - 700 out of 4,862