| Patent application number | Description | Published |
|---|
| 20080242759 | DENTAL PASTES, DENTAL ARTICLES, AND METHODS - The present invention provides a dental paste, a dental article, methods of making and using the dental paste, and compositions prepared therefrom. In one embodiment, the dental paste includes (a) a filler including porous, non-pyrogenic silica having a silane treated surface and being substantially free of heavy metals and (b) a filler including non-aggregated primary silica particles, with the fillers being dispersed in a hardenable resin. | 10-02-2008 |
| 20080253148 | Polymerizable Composition Comprising Low Molecular Weight Organic Component - Polymerizable compositions comprising particularly useful for brightness enhancing films. | 10-16-2008 |
| 20080305943 | ZIRCONIA PARTICLES - Zirconia particles, methods of making zirconia particles, composite materials that contain the zirconia particles, methods of making the composite materials, and zirconia sols that contain the zirconia particles are described. The zirconia particles are substantially non-associated and have an average size no greater than 50 nanometers and may contain yttrium. The zirconia particles are prepared by a method that includes two separate hydrothermal treatments. | 12-11-2008 |
| 20090047486 | LIGHT MANAGEMENT FILMS WITH ZIRCONIA PARTICLES - Light management films and methods of making light management films are described. The light management films contain an optical layer that contains polymeric material and zirconia particles. The zirconia particles are colloidal, crystalline, substantially non-associated, and have a narrow size distribution. | 02-19-2009 |
| 20090176061 | DURABLE OPTICAL ELEMENT - A durable optical film or element includes a polymerized structure having a microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof. Display devices including the durable microstructured film are also described. | 07-09-2009 |
| 20090246417 | OPTICAL FILM ASSEMBLY AND DISPLAY DEVICE - Microstructured optical films, assemblies of films including at least one microstructured optical film, and (e.g. illuminated) display devices including a single microstructured optical film or assembly. | 10-01-2009 |
| 20090306277 | RESIN SYSTEMS INCLUDING REACTIVE SURFACE-MODIFIED NANOPARTICLES - Resin systems comprising a crosslinkable resin, a reactive diluent, and a plurality of reactive, surface-modified nanoparticles; and gel coats including such resin systems are described. Articles having such compositions attached to a surface of a substrate, e.g., a fibrous reinforced substrate, are also described. | 12-10-2009 |
| 20100033826 | BRIGHTNESS ENHANCING FILM COMPRISING NANOCOMPOSITE STRUCTURE HAVING IMPROVED CRACK RESISTANCE - Microstructured films such as brightness enhancing films, polymerizable resin compositions comprising an organic component and surface modified nanoparticles, and surface modified nanoparticles are described. The microstructured film has a polymerized structure comprising the reaction product of the polymerizable resin composition (e.g. having a refractive index of at least 1.58). The cured nanocomposite (e.g. structure) can exhibit improved crack resistance. In some embodiments, the flexibility is expressed in terms of a cylindrical mandrel bend test property (e.g. a mandrel size to failure of less than 6 mm or a mandrel size to failure according to the equation D=1000(T/0.025−T) wherein T is the thickness in millimeters of a (e.g. preformed base layer). In other embodiments, the flexibility is expressed in terms of a tensile and elongation property (e.g. a tensile strength at break of at least 25 MPa and an elongation at break of at least 1.75%). | 02-11-2010 |
| 20100059776 | OPTICAL BONDING COMPOSITION FOR LED LIGHT SOURCE - Disclosed herein is an optical bonding composition that may be used in optical applications. An LED light source that utilizes the composition is also disclosed, as well as a method of making it. The LED light source may comprise: an LED die; an optical element optically coupled to the LED die; and a bonding layer comprising surface-modified metal oxide nanoparticles in an amorphous silicate network, the bonding layer bonding the LED die and the optical element together. Efficiency of the LED light source may be increased when using an optical extractor as the optical element. | 03-11-2010 |
| 20100150513 | LIGHT EXTRACTION FILM WITH NANOPARTICLE COATINGS - A multifunctional optical film for enhancing light extraction includes a flexible substrate, a structured layer having nanoparticles of different sizes, and a backfill layer. The structured layer effectively uses microreplicated diffractive or scattering nanostructures located near enough to the light generation region to enable extraction of an evanescent wave from an organic light emitting diode (OLED) device. The backfill layer has a material having an index of refraction different from the index of refraction of the structured layer. The backfill layer also provides a planarizing layer over the structured layer in order to conform the light extraction film to a layer of an OLED display device. The film may have additional layers added to or incorporated within it to an emissive surface in order to effect additional functionalities beyond improvement of light extraction efficiency. | 06-17-2010 |
| 20100178470 | DURABLE OPTICAL ELEMENT - A durable optical film or element includes a polymerized structure having a microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof. Display devices including the durable microstructured film are also described. | 07-15-2010 |
| 20100253885 | OPTICAL FILM ASSEMBLY AND DISPLAY DEVICE - Microstructured optical films, assemblies of films including at least one microstructured optical film, and (e.g. illuminated) display devices including a single microstructured optical film or assembly. | 10-07-2010 |
| 20100265584 | RETROREFLECTING OPTICAL CONSTRUCTION - Retroreflecting optical constructions are disclosed. A disclosed retroreflecting optical construction includes a retroreflecting layer that has a retroreflecting structured major surface, and an optical film that is disposed on the retroreflecting structured major surface of the retroreflecting layer. The optical film has an optical haze that is not less than about 30%. Substantial portions of each two neighboring major surfaces in the retroreflecting optical construction are in physical contact with each other. | 10-21-2010 |
| 20100267881 | ACICULAR BOEHMITE NANOPARTICLES - Acicular boehmite nanoparticles, methods of making acicular boehmite nanoparticles, and composite materials that contain acicular boehmite nanoparticles are described. The acicular boehmite nanoparticles are prepared in a continuous hydrothermal reactor from a feedstock solution containing a soluble aluminum-containing precursor. | 10-21-2010 |
| 20100276374 | METHOD OF MAKING ZIRCONIA-CONTAINING NANOPARTICLES - A method of preparing zirconia-containing nanoparticles and a method of preparing a composite material that includes the zirconia-containing nanoparticles are provided. A method of treating a zirconium carboxylate salt solution to remove alkali metal ions and alkaline earth ions is provided. The treated solution can be used as a feedstock to prepare the zirconia-containing nanoparticles. Additionally, a continuous hydrothermal reactor system is provided that can be used, for example, to prepare the zirconia-containing nanoparticles. | 11-04-2010 |
| 20100331442 | POLYMERIZABLE COMPOSITION COMPRISING LOW MOLECULAR WEIGHT ORGANIC COMPONENT - Polymerizable compositions comprising particularly useful for brightness enhancing films. | 12-30-2010 |
| 20110021797 | PROCESS FOR THE SURFACE MODIFICATION OF PARTICLES - A method for the preparation of functionalized particles includes providing a feedstock that includes particles, a surface treatment agent reactive with the particles and solvent. The feedstock is direct through a continuous hydrothermal reactor maintained at a temperature sufficient to react the particles with the surface treatment agents to thereby provide functionalized particles. The method of the invention is capable of providing the functionalized particles in less than about 4 hours. | 01-27-2011 |
| 20110028605 | FILLED RESINS AND METHOD FOR MAKING FILLED RESINS - A method of making a filled resin includes providing functionalized particles; and combining and homogenously mixing the functionalized particles with an organic matrix in a vacuum kneader to provide the filled resin so that the functionalized particles comprise at least about 20% by weight of the filled resin. The step of providing functionalized particles can also include providing a feedstock of (i) untreated particles, (ii) a surface treatment agent reactive with the particles, and (iii) solvent, and directing the feedstock through a continuous reactor maintained at a temperature sufficient to react the particles with the surface treatment agent to provide the functionalized particles in less than about 4 hours; and directing the functionalized particles from the continuous reactor directly into the vacuum kneader. In another aspect, the a finished resin comprises at least about 20% by weight of functionalized particles in an organic matrix. | 02-03-2011 |
| 20110103072 | DURABLE OPTICAL ELEMENT - A durable optical film or element includes a polymerized structure having a microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof. Display devices including the durable microstructured film are also described. | 05-05-2011 |
