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| Number | Title | Issue Date |
| 8173052 | Writing implement with thermochromic coloring color-memory composition A writing implement with a thermochromic coloring color-memory composition which comprises a homogeneous solubilized mixture of (A) an electron donative coloring organic compound, (B) an electron accepting compound and (C) a reaction medium which controls color reac... | 05/08/2012 |
| 8158036 | Photosensitive resin composition for color filter and color filter using same The photosensitive resin composition for a color filter according to one embodiment of the present invention includes (A) a pigment including a repeating unit of the following Formula 1, (B) a binder resin, (C) a photopolymerization initiator, (D) a photopolymerizab... | 04/17/2012 |
| 8158037 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same The present invention provides ophthalmic devices comprising at least one photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending gro... | 04/17/2012 |
| 8147726 | Chromene compound A chromene compound represented by the following formula (1): wherein R1, R2, R3, R4, R5, R6, m, and n are defined in the specification. The chromene compoun... | 04/03/2012 |
| 8147725 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same The present invention provides a photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-subst... | 04/03/2012 |
| 8137595 | UV curable photochromic composition and products formed by using the same The present invention relates to a UV curable photochromic composition comprising a photochromic dye and an acrylate-based prepolymer having a polyol structure in which an acrylate-based functional group is introduced by using an iso-cyanate-based compound having tw... | 03/20/2012 |
| 8133414 | Light filters using yellow melanin and melanin-like oligomers and photochromic dyes Selective fractionation and separation of melanin and use of fractionated or separated melanin in connection with light filters is disclosed. Further, light filters that use yellow melanin or melanin like materials prepared to have a yellow color and a melanin trans... | 03/13/2012 |
| 8133415 | Ink composition for manufacturing color filter Provided is an ink composition for manufacturing color filters. The ink composition includes an acrylic binder resin obtained by polymerizing the group of monomers containing a compound represented by Formula 1. The ink composition has good chemical resistance and a... | 03/13/2012 |
| 8123987 | Chromene compounds Disclosed is a chromene compound represented by the following formula (1), wherein R1, R2, R3 and R4 are, respectively, hydrogen atoms, alkyl groups, aryl groups, or the like grou... | 02/28/2012 |
| 8119042 | Diketopyrrolopyrrole cocrystals The invention relates to cocrystals of compounds of the formulae (I), (II) and (III), obtainable by reacting 1 mol of a succinic diester with 2 mol of a mixture of nitriles A-CN and B—CN, where A-CN and B—CN are present in the nitrile mixture in a molar ratio of... | 02/21/2012 |
| 8110127 | Photochromic coating exhibiting improved performance A photochromic coating exhibiting improved performance and photochromic lenses made using the coating. The coating has excellent photochromic darkening and fatigue properties. The coating formulation is made from a monomer blend having at least two different types o... | 02/07/2012 |
| 8083973 | Polychromic substances and their use A compound which undergoes a color change upon irradiation, and which has the general structure: X—C≡C—C≡C—Y—(CO)n-QZ wherein X is H, alkyl or —Y—(CO)n-QW; each Y is the same or a different divalent alkylene group; Q is O, S or ... | 12/27/2011 |
| 8066917 | Photochromic curable composition Disclosed is a photochromic curable composition comprising [A] not less than 0.1 part and less than 5 parts by mass of a specific radically polymerizable monomer having an epoxy group, [B] 1.0 to 15 parts by mass of a specific polyfunctional radically polymerizable ... | 11/29/2011 |
| 8052898 | Hydrogen gas detecting material and the coating method A hydrogen gas detecting material, which changes in light absorption characteristics when exposed to an atmosphere containing hydrogen, and the coating method are characterized in that (1) the principal component of the hydrogen gas detecting material is tungsten ox... | 11/08/2011 |
| 7976739 | Chromene compound A chromene compound represented by the following formula (1), wherein, “A” is an annulated ring, R1 and R2 are hydrogen atoms, hydroxyl groups ... | 07/12/2011 |
| 7972542 | Layer by layer self-assembly of large response molecular electro-optic materials by a desilylation strategy The preparation of robust, thin film materials with large second-order optical nonlinearities through the covalent self-assembly of chromophoric compositions and innovative use of silyl chemistry. ... | 07/05/2011 |
| 7968016 | Twisted π-electron system chromophore compounds with very large molecular hyperpolarizabilities and related compositions and devices Unconventional twisted π-electron system electro-optic (EO) chromophores/compounds, compositions and related device structures. Crystallographic analysis of several non-limiting chromophores reveals, for instance, large ring-ring dihedral twist angles and a highly ... | 06/28/2011 |
| 7922941 | Photochromic plastic object A photochromic plastic object which is composed of a transparent polymeric synthetic resin material, into or onto which at least one substantially mesoporous inorganic host structure is introduced or applied containing one or more embedded organic photochromic dye m... | 04/12/2011 |
| 7892459 | Compositions for the preparation of composite photochromic polycarbonate lenses Photochromic matrix compositions and tie layer compositions useful for the preparation of photochromic polycarbonate lenses are disclosed. The tie layer compositions facilitate adhesion of the photochromic matrix composition to the polycarbonate lens. The photochrom... | 02/22/2011 |
| 7854863 | Functional materials for use in optical systems The present invention provides both polymer systems and electrooptic (EO) chromophores that form the components of optical devices such as optical switches and other devices useful in an optical waveguide. ... | 12/21/2010 |
| 7824582 | Twisted π-electron system chromophore compounds with very large molecular hyperpolarizabilities and related compositions and devices Unconventional twisted π-electron system electro-optic (EO) chromophores/compounds, compositions and related device structures. Crystallographic analysis of several non-limiting chromophores reveals, for instance, large ring-ring dihedral twist angles and a highly ... | 11/02/2010 |
| 7811480 | Photochromic optical article Describes a photochromic article, e.g., an ophthalmic photochromic plastic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., polymeric substrate, such as a thermoset or thermoplastic substrate, (2) a photochromic polymeric coating a... | 10/12/2010 |
| 7807075 | Photochromic compositions and light transmissible articles The invention relates to a photochromic polymeric composition comprising a polymer matrix and a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendant oligomer group to provide a rate of fade of the photochromic polymeric ... | 10/05/2010 |
| 7794631 | Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same A thermochromic coloring color-memory composition which comprises a homogeneous solubilized mixture of (A) an electron donative coloring organic compound, (B) an electron accepting compound and (C) an ester compound represented by the specific formula as a reaction ... | 09/14/2010 |
| 7713450 | Photocromic primer composition having high impact resistance and transparent material coated with the same Disclosed are a primer composition having photochromic property and impact resistance for coating transparent materials and a photochromic transparent material having a primer layer formed by coating and curing the primer composition. The primer composition for coat... | 05/11/2010 |
| 7708913 | Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same A thermochromic coloring color-memory composition which comprises a homogeneous solubilized mixture of (A) an electron donative coloring organic compound, (B) an electron accepting compound and (C) an ester compound represented by the specific formula as a reaction ... | 05/04/2010 |
| 7700010 | Binary optical compound and method of manufacture A binary optical compound formed from a preparation of proteorhodopsin, is provided. The preparation is prepared by dissolving proteorhodopsin in distilled water, where the pH is adjusted to be above 11 either by using sodium hydroxide or an appropriate buffer. The ... | 04/20/2010 |
| 7682530 | Crystalline colloidal arrays responsive to an activator A method of producing a radiation diffractive sensor that diffracts radiation according to Bragg's law is disclosed. The sensor is produced by forming an ordered periodic array of particles on a substrate, coating the array of particles with a polymeric matrix, curi... | 03/23/2010 |
| 7628938 | Photochromic compound and optical functional material The present invention provides a photochromic compound that is colored when irradiated with visible light and quickly faded when set in a dark place. The photochromic compound according to the present invention is expressed by the following general formula (I): ... | 12/08/2009 |
| 7608207 | Method for preparing a photochromic polyurethane latex and application to ophthalmic optics The method of the invention comprises: a) forming a hydrophilic polyurethane prepolymer with isocyanate end groups, by the polyaddition reaction of at least one polyol and at least one diisocyanate in the presence of at least one internal emulsifying agent; b) mixin... | 10/27/2009 |
| 7556751 | Photochromic materials having electron-withdrawing substituents Photochromic materials comprising indeno-fused naphthopyrans having a first electron-withdrawing substituent and, in certain non-limiting embodiments, a second electron-withdrawing substituent are disclosed. The photochromic materials according to the various embodi... | 07/07/2009 |
| 7556750 | Photochromic materials with reactive substituents Various non-limiting embodiments of the present disclosure relate to photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates photochromic materials, such as photochromic naphthopyrans and indeno-fused naphthopyrans ... | 07/07/2009 |
| 7544315 | Photochromic h-annellated benzo[f]chromene compounds Photochromic h-annellated benzo[f]chromene compounds, especially photochromic compounds derived from benzo[f]chromenes, which compounds have particular long wavelength absorption maxima in their closed form and exhibit good performance in the open, colored form, so ... | 06/09/2009 |
| 7524441 | Color filter composition, method and apparatus for manufacturing a color filter having the same A color filter composition comprises a mixture of a binder and a monomer in a predetermined ratio, a pigment, and a solvent. The predetermined ratio is a ratio of the binder to the monomer and ranges from about 50:50 to about 60:40. The color filter composition furt... | 04/28/2009 |
| 7465414 | Photochromic article Describes an optical article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes: (1) a transparent substrate, such as a thermoset or thermoplastic plastic substrate, (2) a multiply laminate adjacent to at least one surface of th... | 12/16/2008 |
| 7465415 | Photochromic materials derived from ring-opening monomers and photochromic initiators Various non-limiting embodiments disclosed herein related to photochromic materials comprising the reaction product of (a) at least one ring-opening cyclic monomer, and (b) a photochromic initiator. Other non-limiting embodiments related to photochromic materials re... | 12/16/2008 |
| 7420331 | Doped dysprosia discharge vessel A ceramic discharge vessel is provided wherein the vessel comprises a hollow body for enclosing a discharge and the hollow body is made of a polycrystalline dysprosium oxide containing a luminescent dopant that emits one or more visible light wavelengths when stimul... | 09/02/2008 |
| 7399434 | Rare metal compounds and mixtures of these An article of manufacture marked with compositions comprising rare earth metal compounds which, due to their luminescence when irradiated with UV light, are suitable in particular for the marking of security-relevant items, such as documents or data carriers. ... | 07/15/2008 |
| 7372609 | Nanocrystalline metal oxide films and associated devices comprising the same A nanoporous-nanocrystalline film, comprising a nanoporous-nanocrystalline, semi-conducting metal oxide having a redox active material or redox chromophore attached thereto, wherein the redox active material or redox chromophore comprises at least one of an isocyana... | 05/13/2008 |
| 7368072 | Photochromic contact lenses and methods of manufacturing Described are contact lenses having photochromic materials within the central or pupillary area of the lens and methods for manufacturing such lenses. In one method, a photochromic amount of at least one photochromic material is added to the pupillary region of a ca... | 05/06/2008 |
