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| Number | Title | Issue Date |
| 5405811 | Ultraviolet absorbing, fixed tint green sunglass This invention is directed to a transparent glass which, at a thickness of 2 mm, transmits less than 1% of ultraviolet radiation having a wavelength of 380 nm and exhibits a green fixed tint bounded by apices A,C,D,E,A of the drawing, a purity between 18-... | 04/11/1995 |
| 5403789 | Ultraviolet absorbing, fixed tint brown sunglass A transparent glass which, at a thickness of 2 mm, transmits less than 1% of ultraviolet radiation having a wavelength of 380 nm and exhibits a brown fixed tint bounded by apices A, B, D, F, A of the drawing, a purity between 48-70%, and a dominant wavele... | 04/04/1995 |
| 5389584 | Ga- and/or In-containing AsGe sulfide glasses This invention is directed to the production of transparent glasses exhibiting excellent transmission far into the infrared region of the electromagnetic radiation spectrum, said glasses consisting essentially, expressed in terms of mole percent on the su... | 02/14/1995 |
| 5387558 | Colored glass-ceramic articles This invention is directed to the formation of glass-ceramic articles which exhibit a yellow coloration in visible light and fluoresce with a yellow coloration while being exposed to ultraviolet radiation. The yellow coloration is produced through the inc... | 02/07/1995 |
| 5385871 | Fluorine-containing lead- and cadmium-free glazes This invention is directed to a glass frit composition essentially free from lead and cadmium exhibiting a linear coefficient of thermal expansion (25° C.-300° C.) between about 75-85×10-7 /°C., good flow at temperatures between about ... | 01/31/1995 |
| 5374595 | High liquidus viscosity glasses for flat panel displays This invention is related to glasses for use as substrates in flat panel display devices; more specifically, for use as substrates in LCDs which utilize polycrystalline silicon thin film transistors. The compositions for the inventive glasses are essentia... | 12/20/1994 |
| 5353148 | Electrochromic device This invention relates to an electrochromic device comprising a layer (2') of an electrochromic product held between two conducting layers (5',6') each formed on one face of a transparent plate (3',4'), electrodes formed on each of the conducting layers, ... | 10/04/1994 |
| 5352638 | Nickel aluminosilicate glass-ceramics This invention is directed to the production of thermally crystallizable glasses which can be crystallized in situ via heat treatment into glass-ceramic articles containing a nickel spinelloid as the predominant crystal phase. The glasses consist essentia... | 10/04/1994 |
| 5350716 | Fiber-reinforced composites There is disclosed a fiber-reinforced composite having a high degree of fracture toughness and being composed of a glass-ceramic matrix reinforced with silicon carbide or graphite type fibers, the predominant crystal phase of the matrix glass-ceramic bein... | 09/27/1994 |
| 5346865 | Rare earth-doped, stabilized cadmium halide glasses This invention is directed to the production of transparent glasses exhibiting transmission far into the infrared regime of the radiation spectrum. The glasses consist essentially, in mole percent, of 42-55% CdF2 and/or CdCl2, 30-40%... | 09/13/1994 |
| 5343260 | Composite ophthalmic lenses and their manufacture This invention is directed to the fabrication of composite lenses consisting of a transparent thermoset polymer exhibiting an index of refraction of at least 1.58 and a thin glass element of essentially constant thickness adhered to the front surface of t... | 08/30/1994 |
| 5342426 | Making glass sheet with defect-free surfaces and alkali metal-free soluble glasses therefor This invention is directed to a method for preparing glass sheet having surfaces which are essentially defect-free and equivalent in smoothness to polished glass surfaces which comprises the steps of: Two different batches of alkali-metal-free batches are... | 08/30/1994 |
| 5332530 | Solid gel electrolytic material for modulating light This invention concerns an electrolytic material in the form of a solid gel for the modulation of light comprising a homogeneous mixture of: (A) at least one organic solvent; (B) at least one salt of an electrodepositable metal; ( C ) at least one organic acid; and... | 07/26/1994 |
| 5326730 | Barium aluminosilicate glasses This invention is directed to glass compositions particularly designed for use as substrates in flat panel display devices and, more expressly, for use as substrates in LCDs which employ polycrystalline silicon thin film transistors. The glass composition... | 07/05/1994 |
| 5326728 | Lead-free enamel compositions for the decoration of low-expansion glass-ceramics This invention is directed to the production of lead-free enamels containing finely-divided glass particles, finely-divided pigment particles, and an organic binder wherein the glass particles consist essentially, expressed in terms of weight percent on t... | 07/05/1994 |
| 5323191 | Composite ophthalmic lenses This invention is directed to the production of glass-plastic lenses consisting of a thin glass element bonded to a relatively thick transparent lens or lens preform made of poly(diethylene glycol)bis(allyl carbonate) by a transparent thermoset, polyureth... | 06/21/1994 |
| 5300465 | Photochromic glasses which darken to a pink hue A transparent photochromic glass displaying a pink hue in the darkened state which, in bodies of 2 mm cross section, will exhibit the following optical properties: (a) a clear (undarkened) luminous transmittance greater than 82%; (b) a darkened luminous transm... | 04/05/1994 |
| 5273834 | Discs for memory storage devices This invention is directed to the fabrication of magnetic memory storage devices which consist essentially of a head pad and a rigid information disc, that disc consisting essentially of a rigid substrate having a layer of magnetic media joined to the sur... | 12/28/1993 |
| 5268335 | Fast strengthening glass lenses This invention is directed to the production of transparent glasses which can be chemically strengthened within a period of time not exceeding four hours to develop a surface compression layer having a sufficient depth to survive the Drop Ball Test after ... | 12/07/1993 |
| 5256179 | Method of making a glass-ceramic article having an adherent colored glaze with controlled texture This invention is directed to a method for producing colored glazes having controlled textures, the method comprising the following steps: (a) a first frit containing a colorant is prepared; (b) a slip of that frit is applied to a glass-ceramic body and dried; (c) ... | 10/26/1993 |
| 5240885 | Rare earth-doped, stabilized cadmium halide glasses This invention is directed to the production of transparent glasses exhibiting transmission far into the infrared regime of the radiation spectrum. The glasses consist essentially, in mole percent, of 42-55% CdF2 and/or CdCl2, 2-15% ... | 08/31/1993 |
| 5232879 | Alkali metal lanthanum gallate glasses This invention is directed to glasses exhibiting annealing points above 625° C., strain points above 600° C., linear coefficients of thermal expansion (25°-300° C.) below 90×10-7 /° C., refractive indices below 1.8, and, in thicknesses of... | 08/03/1993 |
| 5220358 | Edge coating for laminated lenses This invention is primarily directed to edged three-layer ophthalmic lenses having a coating covering the edge of the lens. The coating provides a cushion between the lens and an eyeglass frame and inhibits the penetration of moisture and tints commonly u... | 06/15/1993 |
| 5219799 | Lithium disilicate-containing glass-ceramics some of which are self-glazing This invention relates to glass-ceramic articles containing lithium disilicate crystals as the predominant crystal phase and consisting essentially, in weight percent, of 8-19% Li2 O, 0-5% Na2 O, 0-7% K2 O, 0-8% Na2 | 06/15/1993 |
| 5210638 | Electrolyte material and light modulation devices using the same This invention is directed to an electrolytic material for use in light modulation devices. The material consists essentially of four components: (1) at least one organic solvent; (2) at least one salt of an electrodepositable metal; (3) at least one organic acid; ... | 05/11/1993 |
| 5204291 | Transparent lead-free glazes This invention relates to lead-free and cadmium-free frit compositions for glazes and enamels which consist essentially, expressed in terms of weight percent on the oxide basis, of ______________________________________ SiO2 51-59 ... | 04/20/1993 |
| 5194303 | Additives for lead- and cadmium-free glazes This invention relates to a method for eliminating the grayish discoloration which commonly develops when lead-free and cadmium-free glass frits are applied to substrates utilizing an organic medium and thereafter fired to fuse the frit particles into a g... | 03/16/1993 |
| 5176961 | Colored, textured glass-ceramic articles This invention is directed to the production of glass-ceramic articles comprising an interior portion and a surface layer exhibiting a variegated color, textured surface appearance. In the most preferred embodiment lithium disilicate crystals constitute t... | 01/05/1993 |
| 5168079 | Thallium gallate glasses This invention relates to glasses exhibiting very high optical non-linearity, very high Verdet constants, very high electro-optic constants, and excellent transmissions of infrared radiation. The glasses consist essentially, in cation percent, of: ... | 12/01/1992 |
| 5162826 | High index ophthalmic glasses This invention relates to the production of glasses exhibiting a refractive index between about 1.66-1.81, a softening point between about 625°-675° C., a strain point between about 455°-490° C., a linear coefficeint of thermal expansion (25°-30... | 11/10/1992 |
| 5154744 | Method of making titania-doped fused silica This invention relates to production of high purity fused silica glass doped with titania through oxidation or flame hydrolysis of a gaseous mixture and containing rutile crystals comprising a vaporizable, silicon-containing compound. Titanium-2-ethylhexy... | 10/13/1992 |
| 5152819 | Method of making fused silica This invention relates to the production of high purity fused silica glass through oxidation and/or flame hydrolysis of a halide-free, organosilicon-R compound in vapor form having the following properties: (a) producing a gas stream of a halide-free silicon-c... | 10/06/1992 |
| 5149565 | Additives for lead-free frits This invention is drawn to a method for eliminating the grayish discoloration which customarily develops when lead-free and cadmium-free glass frits are applied to substrates employing an organic vehicle and which are thereafter fired to fuse the frit par... | 09/22/1992 |
| 5148510 | Optical fiber made of galliobismuthate glasses and optical devices using same This invention is drawn to heavy metal oxide glasses exhibiting high nonlinear susceptibility and infrared transmission consisting essentially, in weight percent, of 42-48% PbO, 33-44% Bi2 O3, 10-15% Ga2 O3, and... | 09/15/1992 |
| 5122484 | Zinc phosphate low temperature glasses This invention relates to a glass exhibiting a transistion temperature no higher than 425° C. and excellent resistance to attack by water consisting essentially, expressed in terms of weight percent on the oxide basis, of about: _______________... | 06/16/1992 |
| 5116787 | High alumina, alkaline earth borosilicate glasses for flat panel displays This invention relates to glasses for use as substrates in flat panel display devices which use polycrystalline silicon thin film transistors. The compositions for those glasses are essentially free from alkali metal oxides and MgO and consist essentially... | 05/26/1992 |
| 5116788 | Alkaline earth aluminoborosilicate glasses for flat panel displays This invention is directed to the production of glass substrates for use in flat panel display devices employing polycrystalline silicon thin film transistors. The compositions for these glasses are essentially free from alkali metal oxides and consist es... | 05/26/1992 |
| 5116789 | Strontium aluminosilicate glasses for flat panel displays The invention is concerned with glasses for use as substrates in flat panel display devices which use polycrystalline silicon thin film transistors. The compositions for these glasses are essentially free from alkali metal oxides and MgO and consist essen... | 05/26/1992 |
| 5114884 | Alkali bismuth gallate glasses This invention relates to the preparation of thermally stable, chemically durable, heavy metal oxide glasses exhibiting good transmission of infrared radiation to wavelengths of about 7 microns consisting essentially, in weight percent, of 7.5-25% Ga... | 05/19/1992 |
| 5112777 | Glass-ceramic-bonded ceramic composites This invention is particularly directed to the production of glass-ceramics specifically designed for bonding hard refractory particulate ceramics into dense, mechanically strong composite bodies. The inventive glass-ceramics are crystallized in situ from... | 05/12/1992 |
