Matches 101 - 150 out of 312 < 1 2 3 4 5 6 7 >
Match Document Document Title
6620493 Reflection-reducing film  
A reflection-reducing film formed by being applied onto the surface of a substrate having light transmitting property, and including a base layer formed on the surface of said substrate and a...
6613433 Polarizing optical composite and polarizing lens  
A polarizing optical composite equipped with a polarizing plate holding a polarizer sheet layer between two protective sheet layers, wherein the polarizing sheet layer has on one side thereof at...
6612697 Protective eyewear lens  
The present invention is directed to industrial eyewear lens systems for radiation protection of the human eye. The base material in combination with an infrared absorbing filter significantly...
6610081 Methods for treating migraine headaches  
The present invention generally relates to various systems and methods for the treatment of a migraine headache and related malady(s) through the filtering a portion of ambient light transmitted to...
6608724 Precision dispensing apparatus and method for manufacturing thin-film optical assembly  
This invention discloses a machine for automatically attaching an optical filter to a lens. The machine includes lens table for supporting the lens. The machine further includes an...
6604824 Polarized lens with oxide additive  
A lens for reducing glare and improving color discrimination includes a lens wafer containing a rare earth oxide such as neodymium that provides progressively higher transmittance at 540 nm than at...
6595636 Occluded contact lens with peripheral vision functionality  
A contact lens for rehabilitation or training of targeted portions of the brain in which the contact lens has occluded regions to selectively blind portions of the central visual field...
6585373 Ophthalmic lenses utilizing polyethylene terephthalate polarizing films  
An optical-quality part such as an ophthalmic lens is provided having a PET polarizing film integrally bonded thereto and, optionally, a hard coating integrally bonded to either the PET polarizing...
6558583 Naphthopyrans annelated in C5-C6 with a dihydrobenzo-cycloheptatriene-type carbocycle and compositions and matrices containing them  
The invention relates to novel naphthopyran-type compounds, which are annelated in position C 5 -C 6 with a seven-membered carbocycle, and which are of formula (I) given below: These compounds...
6555028 Polymeric matrix compatibilized naphthopyrans  
Described are polymeric matrix compatibilized naphthopyran compounds, examples of which are certain 2H-naphtho[1,2-b]pyrans, 3H-naphtho[2,1-b]pyrans and indeno[2,1-f]naphtho[1,2-b]pyrans each...
6547390 Top stabilized photochromic lens system  
A method and apparatus for the stabilizing of napthopyran and spiroxazine photochromic dye in a coating or plastic media is presented. As prolonged exposure to light causes degradation of the...
6531076 Photochromic organic resin composition  
Described are photochromic organic resin compositions and the impact resistant polymerizates and coating compositions made therefrom. The organic resin composition comprises the reaction product of...
6505935 Optical lens coating and method  
An optical lens having a colored coating affixed to the edge of the lens. The apparatus may enhance the cosmetic appearance of eyeglasses by reducing the appearance of the white ring appearing...
6478989 Aromatic substituted naphthopyrans  
Described are photochromic 2H-naphtho[1,2-b]pyrans characterized by having an aromatic substituent in the 5 position. The aromatic group at 5-position of the naphthopyran is a substituted or...
6426023 Benzopyrans annelated in C7-C8 with an aromatic heterocycle and compositions and (CO)polymer matrices containing them  
The invention relates to novel benzopyran-type compounds having an aromatic heterocycle annelated in position 7,8 and a carbocycle annelated in position 5,6. These compounds have the formula (I)...
6416178 Color translucent eyewear lenses applied with antireflective (AR) coatings  
The present invention is addressed to solving the problem of AR coating lenses having at least one or more. textured translucent regions, without altering the effectiveness of the translucent...
6398987 Naphthopyrans having a perfluoroalkyl substituent in position 5, preparation and compositions and matrices containing them  
The present invention relates to novel compounds of the naphthopyran type which have a perfluoroalkyl group (X) in position 5. These compounds are of formula (I) given below: These compounds (I)...
6382788 Eyeglasses with modified light transmission  
Eyeglasses which function to make contours and light coloured objects to stand out more clearly in a range of vision or field of view that is dominated by green vegetation, wherein the lenses of...
6379591 Naphthopyrans annelated in C5-C6 with a lactam-type C6 ring and compositions and (co)polymer matrices containing them  
The invention relates to novel naphthopyran-type compounds having a lactam-type 6-membered ring annelated in position C 5 -C 6 . These compounds have the formula (I) given below: These compounds...
6373615 Neutral-colored gray photochromic plastic object  
A neutral-colored gray photochromic plastic article which remains almost completely color-neutral or gray both during darkening as well as during bleaching. The plastic article according to the...
6367930 Process for preparing a photochromic lens  
A process for making a photochromic optical lens is disclosed. In a first embodiment of the process a multi-plied laminate, containing a ply of photochromic thermoplastic polyurethane (herein...
6364481 Lens with surface correction  
An optical lens element adapted for mounting in a frame of the wrap-around type, the lens element including a front and back surface capable of providing an optical zone (OZ), and a peripheral...
6340766 Substituted napthopyrans  
Described are novel reversible photochromic naphthopyran compounds, examples of which are compounds having a cycloalkyl ester substituent at the number 5 carbon atom and optionally certain...
6338558 Spectacle lenses and a pair of spectacles using the same  
Uncut spectacle lenses and a pair of spectacles using such lenses are provided. The uncut lenses includes a lens body and a pair of tabs fixed to an outer periphery of the lens body in opposite...
6331058 Plastic lens composition and method for the production thereof  
A method for making a plastic lens and a plastic lens made thereby. The method comprises disposing a liquid poly(meth)acrylyl monomer, or a monomer mixture, an aromatic bis(allyl...
6315411 Eyesight protective composite glass  
Composite glass (2) for protecting the eyesight comprising, starting from the inside, from the eye side (1), towards the outside a first optically polished mineral glass (3), a polarizing film (4)...
6306316 Photochromic plastic object  
The invention relates to photochromic plastic objects comprising a plastic material and at least two photochromic pyran derivatives, which are introduced therein and, in each case, have an aryl...
6294112 Red coloring hyperchromic 3H-naphtho[2,1-B]pyrans  
Red coloring hyperchromic compounds have the formula: ##STR1## where R 1 is H, NR 2 R 3 , OR 4 , SR 4 or R 7 wherein R 2 and R 3 are alkyl or carbocyclic groups or together with the nitrogen...
6255238 IR and UV absorbing brown solar glasses, ophthalmic lenses  
The object of the present invention is brown solar glasses, absorbing UV or IR radiation, as well as solar ophthalmic lenses in said glasses. Said glasses have the following composition, expressed...
6250758 Plastic optical devices having antireflection film and mechanism for equalizing thickness of antireflection film  
Plastic optical devices in which an antireflection film (13) is coated on the surface of a plastic base material (10). The antireflection film (13) is a multi-layered film which is formed by...
6248264 Neutral coloring photochromic 2H-naphtho[1,2-b] pyrans and heterocyclic pyrans  
Compositions comprising a naphtho [1,2-b]pyran of formula (I): ##STR1## wherein R 7 and/or R 9 is hydrogen or an amino group provided that R 7 and R 9 are not both hydrogen, and the other...
6221284 Organic photochromic materials  
The invention relates to transparent, photochromic or nonphotochromic organic materials, which have a refractive index higher than 1.55 and which are free of optical distortions, consisting of a...
6210608 Naphthopyrans and phenanthropyrans annelated in C5-C6 with a bicycle group and compositions and (co) polymer matrices containing them  
The invention relates to novel naphthopyran- and phenanthropyran-type compounds having a carbobicycle annelated in 5,6-position. These compounds have formula (I) given below: ##STR1## These...
6203729 [Pyrrole]naphthopyranes, their preparation, and compositions and (co)polymer matrices containing them  
Disclosed are naphthopyran-type compounds having a pyrrole group annelated in position 5.6, as well as compositions and particularly (co)polymer matrices containing them. These compounds,...
6183083 Contact lens comprising a violet tint  
Adding a small quantity of a violet colorant to a contact lens material provides a clear contact lens that has no apparent undesirable yellow tint, such as caused by a UV-absorbing compound....
6174464 Organic photochromic contact lens compositions  
6149270 Optical lenses for correcting color vision  
There is provided an optical lens for correcting color vision for always and adequately correcting and normalizing anomalous color vision. Wavelength where a spectral sensitivity curve of anomalous...
6149841 Photochromic benzopyrano-fused naphthopyrans  
Described are novel photochromic benzopyrano-fused naphthopyran compounds, examples of which are naphthopyran compounds having a substituted or unsubstituted benzopyran group fused to one side of...
6145984 Color-enhancing polarized lens  
A color-enhancing polarized lens is constructed having substantially trichroic spectral-transmission. A lens so constructed may have an overall transmitted tint which is a virtually colorless gray...
6142626 Chromatic vision correction resin glasses with reduced concave reflection  
The chromatic vision correction resin glasses with reduced concave reflection is manufactured according to the following steps. First, the resin eyeglass is dyed chemically to meet the requirements...
6136968 Homoazaadamantane spirooxazines and their use in the field of ophthalmic optics  
Described are novel reversible photochromic compounds of the homoazaadamantane spirooxazine family. Certain substituents are present on the nitrogen atom of the homoazaadamantane portion of the...
6135595 Eyeglass lenses for correcting color vision  
An inexpensive, high-performance, color vision correcting plastic eyeglass lens comprises a partial reflection film for partially reflecting light, or a coloring agent for partially absorbing...
6132044 Filter for a special purpose lens and method of making filter  
A filter and method for making a filter for enhancing a person's ability to differentiate between different shades of a spectral color of interest involves obtaining spectral data for the different...
6113814 Polymerizable polyalkoxylated naphthopyrans  
Described are novel photochromic polymerizable polyalkoxylated naphthopyran compounds, examples of which are certain 2H-naphtho[1,2-b]pyrans, 3H-naphtho[2,1-b]pyrans and...
6113813 Photochromic ultraviolet protective shield  
The present invention teaches a method for making a photochromic ultraviolet protective shield. The UV blocking eyewear uses a material which changes color when exposed to UV radiation. The...
6102539 Sunglass lens laminate  
An improved sunglass lens laminate has first and second lens portions joined by an adhesive, wherein the adhesive at least one of (1) an ultraviolet absorber in an amount sufficient to block...
6102543 Photochromically colored object  
Disclosed is an object made of plastic material, in particular a plastic ophthalmic lens, colored with at least one photochromic substance which is also excited by light in the UV range of the...
6065836 Photochromic ophthalmic lens  
A photochromic ophthalmic lens and a process for its preparation are disclosed. The lens comprise a substantially transparent substrate having a lenticular shape and, at least one film adhering to...
6060001 Alkoxyacrylamide photochromic coatings compositions and photochromic articles  
Described are articles having an alkoxyacrylamide photochromic coating. The coatings exhibit a Fischer microhardness of from 50 to 130 Newtons per mm 2 and desirable photochromic properties, i.e.,...
6027816 Colored plastic lens and method of manufacture therefor  
A colored plastic lens includes a plastic substrate having first and second surfaces, a resin film with a pigment dispersed therein formed on one of the first and second surfaces of the plastic...
Matches 101 - 150 out of 312 < 1 2 3 4 5 6 7 >