| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 351159570 | With lens protective layer | 28 |
| 20120069295 | OPTICAL PRODUCT AND EYEGLASS PLASTIC LENS - An antifouling film is introduced on a base of an optical product such that (1) an absolute value of a charged electrostatic potential is 2.00 kV or less, and (2) a surface peel strength is 0.10 N/19 mm or less. A hard coat film and an optical multilayer film are placed between the base of the optical product and the antifouling film. An antireflection film is provided as the optical multilayer film, and a base of a spectacle plastic lens is provided as the base of the optical product. | 03-22-2012 |
| 20120081660 | OPTICAL LENS WITH ANTISTATIC COATING - The present invention relates to an optical lens, in particular for use as a spectacle lens, having a lens element and a coating for producing an antistatic effect, said coating being applied onto the lens element and having a plurality of layers. Further, the antistatic effect is provided by two layers adjoining one another, wherein at least one of the two layers adjoining one another is formed in a non-stoichiometric fashion. Furthermore, the present invention relates to a method for producing a corresponding optical lens. | 04-05-2012 |
| 20120086908 | PRODUCT COMPRISING A FLEXIBLE OPHTALMIC LENS, AND METHOD FOR MOUNTING SUCH A FLEXIBLE OPHTALMIC LENS ON AN EYEGLASSES LENS - A product ( | 04-12-2012 |
| 20120147322 | IMPACT-RESISTANT OPHTHALMIC LENS AND ITS MANUFACTURING PROCESS - An ophthalmic lens includes: a transparent ophthalmic lens substrate made of organic glass; an adhesive layer covering at least one of the faces of the transparent substrate; a transparent film made of a thermoplastic polymer fixed to the transparent substrate via the adhesive layer; and an abrasion-resistant coating covering the transparent thermoplastic polymer film, characterized in that the ophthalmic lens has a minimum thickness at the centre of less than 2 mm, preferably less than 1.5 mm and even more preferably less than 1.2 mm. Two processes for manufacturing such a lens and the use of an adhesive multilayer film to improve the impact strength of such a lens are also described. | 06-14-2012 |
| 20120327364 | HEAT-CURABLE EPOXY FUNCTIONAL COMPOSITION AND TRANSPARENT HEAT-CURED CAUSTIC-RESISTANT HARD-COATINGS PREPARED THEREFROM - A heat-curable composition comprises from 25 to 65% by weight of a mixture of epoxy-functional monomers, said mixture consisting of at least one polyfunctional epoxy monomer selected from monomers comprising from 4 to 8 glycidyl groups and/or cycloaliphatic epoxy groups, and at least one bi- or tri-functional epoxy monomer selected from monomers comprising two or three glycidyl groups and/or cycloaliphatic epoxy groups, from 25 to 70% by weight of at least one organic solvent selected from glycol monoethers, from 2.5 to 5% by weight, relative to the total weight of epoxyfunctional monomers (a) and (b), of at least one blocked strong acid catalyst, said heat-curable composition not containing any non-epoxyfunctional monomers, in particular not containing any acrylic, methacrylic or silane monomers. | 12-27-2012 |
| 20130120709 | SAFETY, SPORT OR RECREATIONAL EYEWEAR WITH INTERCHANGEABLE OPTICAL PRESCRIPTION PVC FOIL INSERT - Polycarbonate Frame ( | 05-16-2013 |
| 20130258278 | LENS COMPRISING A POLYMERIC SUBSTRATE, A HARDENING LAYER AND A METALLIC LAYER - Lens comprising a polymeric substrate, a hardening layer and a metallic layer. Lens comprising a substrate of polymeric material (P), and which is coated with a hardening layer (E) and a metallic layer (M) that is between 1 and 20 nm thick. The coating also has an anti-humidity layer (AH) made of a material from the group made up of ZrO | 10-03-2013 |
| 20130278893 | MULTI WAVELENGTH LASER PROTECTIVE EYEWEAR - The present disclosure is directed to a thermoplastic laser protective eyewear, and methods of manufacturing said thermoplastic laser protective eyewear. In one embodiment, the laser protective eyewear transmits energy in the visible region and absorbs or reflects energy at peak wavelengths that correspond to commercially available industrial, military and medical lasers. | 10-24-2013 |
| 20130293835 | ABRASION-RESISTANT FILM AND OPHTHALMIC LENS CONTAINING SAME - The present invention relates to an abrasion-resistant film comprising a transparent thermoplastic film and an abrasion-resistant composite coating, formed from a lower layer in contact with the thermoplastic film and an upper layer superimposed on the lower layer, said layers each containing a hydrolyzed epoxysilane and a hydrolyzed alkoxysilane, in different weight ratios. The present invention also relates to a multilayer optical article, preferably an ophthalmic lens, comprising a transparent substrate, an adhesive layer and the abovementioned abrasion-resistant film, and also to two processes for manufacturing such an article. | 11-07-2013 |
| 20130342809 | EYEGLASS LENS AND METHOD OF MANUFACTURING THE SAME - An aspect of the present invention relates to an eyeglass lens, which comprises an outermost layer in the form of a water-repellent vapor deposition film formed by vapor depositing a vapor deposition material in the form of a perfluoropolyether-modified silane compound denoted by general formula (I): | 12-26-2013 |
| 20140036227 | PHOTOCHROMIC LENS - A photochromic lens is proposed which can lose its color in a shorter period of time, and which is less likely to deteriorate when exposed to ultraviolet radiation. The photochromic lens is formed by dissolving 0.03 to 0.2 parts by mass of a spirooxazine photochromic compound in tetrahydrofuran, mixing the solution thus obtained into 100 parts by mass of a lens resin material so that the photochromic compound is uniformly dispersed in the resin material. | 02-06-2014 |
| 20140043585 | Method for promoting adhesion of hard coat to optical substrate - A method for adhering a hard coat layer to an optical substrate is provided, includes providing an optical substrate, depositing a silicon oxide film on the optical substrate using vacuum deposition, applying a hard coat layer to the silicon oxide film for forming a hard-coated optical substrate, and curing the hard coat layer to form the hard-coated optical substrate. A hard-coated optical substrate includes an optical substrate, a hard coat layer, and a silicon oxide film intermediate the optical substrate and hard coat layer. | 02-13-2014 |
| 20140092360 | OPTICAL ARTICLE CONTAINING SELF-HEALING AND ABRASION-RESISTANT COATINGS - The present invention is drawn to an optical article comprising: (a) a transparent optical polymer substrate, (b) a transparent intermediate abrasion-resistant coating obtained from at least one epoxysilane by a sol-gel process, and (c) a transparent outer coating comprising a polythiol-ene matrix obtained by curing a liquid monomer mixture comprising at least one polyfunctional thiol and at least one polyfunctional allyl monomer, said cured polythiol-ene matrix having a glass transition temperature comprised in the range from 40° C. to 70° C. and a thickness from 3.5 μm to less than 10 μm. It is also drawn to a method for preparing such an optical article and to a method for repairing scratches in such an optical article by heating. | 04-03-2014 |
| 20140125945 | Method for Obtaining Optical Articles Having Superior Abrasion Resistant Properties, and Coated Articles Prepared According to Such Method - A method for preparing an abrasion resistant optical article comprising: providing an optical article having at least one main face bearing an abrasion resistant coating;_positioning said optical article in a vacuum deposition chamber;_depositing a first inorganic layer comprising SiO | 05-08-2014 |
| 20140125946 | METHOD FOR PRODUCING ZIRCONIA COLLOIDS - The present invention pertains to a method for producing a colloidal suspension of zirconia particles, comprising the following successive steps:
| 05-08-2014 |
| 20140211150 | OPTICAL ARTICLE - The optical article includes an optical substrate comprising a concave surface with a radius of curvature of equal to or greater than 350 mm on one side and a convex surface with a radius of curvature of equal to or greater than 120 mm on the other side, a first antifouling layer directly or through at least one additional layer on the concave surface, and a second antifouling layer directly or through at least one additional layer on the convex surface, and satisfies the conditions below: | 07-31-2014 |
| 20140307224 | COATING COMPOSITION FOR AN OPTICAL ARTICLE, COMPRISING A COLLOIDAL SUSPENSION OF ZIRCONIA PARTICLES - A coating composition includes a colloidal suspension of specific zirconia nano-particles, at least one epoxysilane and at least one catalyst. A method for preparing this composition, and its use for coating a transparent optical substrate, an optical article, such as an ophthalmic lens, including a transparent polymer substrate, especially an acrylic substrate, and a coating prepared from the composition, which is directly applied on the substrate, are also described. | 10-16-2014 |
| 20140327876 | OPTICAL ELEMENT HAVING A COATING OF HIGH DIFFUSIVITY - An optical element has a substrate body made from transparent plastic and a coating having multiple layers. The coating includes a hard lacquer layer adjoining the substrate. The coating has a diffusivity ensuring the absorption of water molecules passing through the coating in the substrate and the release of water molecules from the substrate through the coating from an air atmosphere on that side of the coating facing away from the substrate with a flow density which, proceeding from the equilibrium state of the quantity of water molecules absorbed in the substrate in an air atmosphere at 23° C. and 50% relative humidity, brings the setting of the equilibrium state of the quantity of water molecules absorbed in the substrate in an air atmosphere at 40° C. and 95% relative humidity within an interval not more than 10 h longer than for setting this equilibrium under corresponding conditions with an identical uncoated substrate. | 11-06-2014 |
| 20140347625 | Optical Component, Spectacle Lens, and Method of Manufacturing the Same - An optical component is an optical component including: a plastic base; and a multilayer film disposed on at least a surface having a greater curvature, of a front surface of the plastic base and a rear surface of the plastic base, wherein the multilayer film has a maximum reflectivity of 3% to 50% in a wavelength range of 380 nm to 780 nm. | 11-27-2014 |
| 20150036101 | OPTICAL MEMBER AND METHOD OF MANUFACTURING OPTICAL MEMBER - To provide an optical member in which a patterned shape is visible when viewed from a prescribed angle without impeding the field of vision of the wearer, and a method of manufacturing an optical member permitting the manufacturing of such an optical member. | 02-05-2015 |
| 20150301233 | OPTICAL ARTICLE PROVIDED WITH HIGH-STRENGTH HARD COAT LAYER - One aspect of the present invention relates to an optical article comprising:
| 10-22-2015 |
| 20150331147 | POLYMERIZABLE COMPOSITION, OPTICAL MATERIAL, AND MANUFACTURING METHOD OF THE SAME - The polymerizable composition of the present invention contains (A) an alicyclic isocyanate compound (a1) having two or more functional groups and/or an aliphatic isocyanate compound (a2) having two or more functional groups, (B) a thiol compound having one or more sulfide bonds and/or one or more ester bonds and having two or more functional groups, and (C) an imidazole-based curing catalyst, in which the amount of the imidazole-based curing catalyst (C) is 5 ppm to 3,000 ppm with respect to the total amount of the isocyanate compound (A) and the thiol compound (B). | 11-19-2015 |
| 20150338554 | SPECTACLE LENS - An aspect of the present invention relates to an eyeglass lens comprising a lens substrate and a vapor-deposited film either directly or indirectly on the lens substrate, wherein the vapor-deposited film is an oxide film of metal selected from the group consisting of zirconium and tantalum, with a proportion accounted for by regions observed in a streaky shape, in a columnar shape, or in a lump shape in a cross-sectional image of the vapor-deposited film obtained by a transmission electron microscope of equal to or less than 20%. | 11-26-2015 |
| 20150355387 | Composition for Transparent Antistatic Coating - The present invention relates to a curable composition providing upon curing a transparent antistatic coating comprising a silica organosol, a salt comprising an alkali cation and a Bronsted acid. The invention further relates to optical articles comprising a substrate at least partially coated with a transparent antistatic coating formed by depositing onto substrate and curing the above curable composition. The obtained optical articles exhibit enhanced antistatic properties, high optical transparency, low haze and good mechanical properties, in particular a good abrasion resistance. | 12-10-2015 |
| 20160075882 | COATING COMPOSITION - A coating composition contains (A) an acrylate component and (B) a metal oxide. A mass ratio (B)/(A) is from 0.6 to 1.3, (A) contains the components (a-1), (a-2) and (a-3), and a content ratio X of (a-1), a content ratio Y of (a-2) and a content ratio Z of (a-3) satisfies the conditions (1) and (2): (a-1): a polyfunctional acrylate compound having 3 or more acrylate groups in one molecule; (a-2): a dendritic aliphatic compound having an acrylate group at an end thereof; and (a-3): a modified acrylate compound having been modified with an alkylene oxide or ε-caprolactone. The condition (1): in (A), X is from 40 to 60% by mass, and a total of Y and Z is from 60 to 40% by mass, and the condition (2): in the total of Y and Z, Z is 30% by mass or more and less than 100% by mass. | 03-17-2016 |
| 20160124122 | Optical Article Comprising an Acrylic Substrate Coated with a Specific Hard-Coat - This invention is related to an optical article, such as an ophthalmic lens, comprising a an acrylic substrate (1) coated with a specific hard-coat (2) formed from a composition comprising a hydrolyzed alkoxysilane, a colloidal metal oxide and a poly-glyceryl ether. | 05-05-2016 |
| 20160161643 | HYBRID EPOXY-ACRYLIC WITH ZIRCONIUM OXIDE NANOCOMPOSITE FOR CURABLE COATINGS - A composition includes: a continuous liquid phase including an acrylic monomer and an epoxy monomer; and a dispersed nanoparticulate including ZrO | 06-09-2016 |
| 20170235130 | CURVED LENS PROTECTOR | 08-17-2017 |
