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| Number | Title | Issue Date |
| 8183168 | Process for producing electrode-formed glass substrate A lead-free glass for covering electrodes including, as represented by mass % based on the following oxides, from 30 to 50% of B2O3, from 21 to 25% of SiO2, from 10 to 35% of ZnO, from 7 to 14% in total of K2O and either o... | 05/22/2012 |
| 7399720 | Glass and glass-ceramic sealant compositions A glass composition for use as a sealant or otherwise bonded to a fuel cell component, including from about 40 mol % to about 60 mol % RO; from about 2 mol % to about 10 mol % M2O3; and from about 35 mol % to about 45 mol % SiO2. R i... | 07/15/2008 |
| 7291573 | Low melting glass, sealing composition and sealing paste A low melting glass, which contains substantially no lead and contains 70-90% of Bi2O3, 1-20% of ZnO, 2-12% of B2O3, 0.1-5% of Al2O3, 0.1-5% of CeO2, 0-5% of CuO, 0-0.2% of Fe2O | 11/06/2007 |
| 7268093 | Glaze composition and antifouling ceramic ware A glaze composition can be used to provide a glaze layer having excellent antifouling performance and visual beauty. The glaze composition contains a glaze forming material, which has a composition determined such that a baked product obtained by baking the glaze co... | 09/11/2007 |
| 7214441 | Low alkali sealing frits, and seals and devices utilizing such frits A solid oxide fuel cell device incorporates a sealing material resistant to hydrogen gas permeation at a sealing temperature in the intermediate temperature range of 600° C.–900° C., the seal having a CTE in the 100×10−7/° C. to 120×10−7 | 05/08/2007 |
| 7189470 | Sealing materials and devices utilizing such materials A solid oxide fuel cell device incorporates a sealing material resistant to hydrogen gas permeation at a sealing temperature in the intermediate temperature range of 600° C.–800° C., the seal having a CTE in the 100×10−7/° C. to 120×10−7 | 03/13/2007 |
| 7169334 | Optical information recording medium A compound constructed by N (N is an integer of 2 or more) kinds of phases containing at least one kind of elements selected from a group consisting of Co, Ti, V, Cr, Mn, Fe, Ni, Si, Pb, Bi and Al. At least one kind to (N−1) kinds among the N kinds of phases are c... | 01/30/2007 |
| 7160823 | Low dielectric constant low temperature fired ceramics Low dielectric constant dielectric ceramics for a borosilicate-based low temperature fired multi-layer substrate is disclosed which can be fired at a wide temperature range of above and below 900° C. and exhibits a low loss electrical property. By controlling the t... | 01/09/2007 |
| 7087293 | Thick film dielectric compositions for use on aluminum nitride substrates The present invention relates to a Cd-free and Pb-free glass composition comprising, based in mol %, 1–10% MO where M is selected from Ba, Sr, Ca and mixtures thereof, 5–30% MgO, 0.3–5% CuO, 0–2.5% P2O5, 0–2.5% ZrO2, 24–4... | 08/08/2006 |
| 7030048 | Thick film dielectric compositions for use on aluminum nitride substrates present invention relates to a Cd-free and Pb-free glass composition comprising, based in mol %, 1–10% MO where M is selected from Ba, Sr, Ca and mixtures thereof, 5–30% MgO, 0.3–5% CuO, 0–2.5% P2O5, 0–2.5% ZrO2, 24–45% Z... | 04/18/2006 |
| 6966998 | Security printing A method of providing covert security features for documents such as vouchers, packaged goods and banknotes in which the document is provided with a dopant. The dopant consisting of a material which can be identified by examination of its response to visible wavelen... | 11/22/2005 |
| 6953538 | Electroconductive low thermal expansion ceramic sintered body An electroconductive low thermal expansion ceramic sintered body is disclosed which containing a β-eucryptite phase in a quantity of not less than 75 vol. % and not more than 99 vol. % and having an absolute value of thermal expansion coefficient of not more than 1... | 10/11/2005 |
| 6936556 | Durable glass enamel composition The present invention provides partially crystallizing lead-free and cadmium-free glass enamel composition that fuse at low temperatures. Glass enamel compositions according to the present invention form predominantly bismuth titanate and optionally zinc titanate cr... | 08/30/2005 |
| 6828263 | High temperature sealing material Glass composition for use as sealing material in fuel cells, comprising a glass matrix with main components consisting of SiO2, Al2O3, and one or more compounds from group I metal oxides and/or group II metal oxides, and a filler mat... | 12/07/2004 |
| 6821628 | Glass-ceramic cooking panel that makes deposited material, such as dirt, less conspicuous The cooking panel is made from an opaque glass-ceramic material uniformly colored throughout and having keatite mixed crystals as the predominant crystalline phase. The cooking panel is made by ceramicizing a ceramicizable glass or a transparent glass-ceramic with h... | 11/23/2004 |
| 6761760 | Dental porcelains Opaque porcelains for use with metal cores in the manufacture of PFM restorations. The porcelains exhibit a coefficient of thermal expansion (CTE) substantially equal to or slightly above the CTE of the metal to which it is applied. The porcelains exhibit a CTE equa... | 07/13/2004 |
| 6733891 | Roll having glass coating Rolls include a core and a glass outer coating on the core. The glass can be electrically charged and discharged. The outer coatings have smooth finishes and controlled electrical properties. The outer coatings can also provide selected mechanical, chemical and ther... | 05/11/2004 |
| 6589894 | Composition containing lead-oxide free glass powder of low softening point useful for barrier rib in PDP In a composition for use in formation of barrier ribs in a plasma display panel, comprising glass powder, the glass powder is powder of PbO free and alkali metal oxide free glass which consists essentially of, by molecular percent, 5-40% BaO, 20-55% ZnO, ... | 07/08/2003 |
| 6566289 | White enamel for aluminized or galvanized steel The present invention provides a composition for use in forming a white porcelain enamel coating on aluminized or galvanized steel. The composition according to the present invention includes a solids portion including a glass component and a white pigmen... | 05/20/2003 |
| 6498116 | Coating and filler materials for use in localized thermal processing of glazed ceramics Coating and filler materials for localized thermal processing of glazed ceramics and other brittle and low thermal conductivity materials. The coating materials include oxide compositions that exhibit coefficients of thermal expansion which are less than ... | 12/24/2002 |
| 6447595 | Systems and methods for producing and using fine particle materials Systems and methods of making and using fine particle materials in pigment blends and for using the aforementioned pigment blends in paint, coating, or coloring compositions are provided. This invention further provides systems and methods of enhancing th... | 09/10/2002 |
| 6428614 | Dental porcelains Opaque porcelains for use with metal cores in the manufacture of PFM restorations. The porcelains exhibit a coefficient of thermal expansion (CTE) substantially equal to or slightly above the CTE of the metal to which it is applied. The porcelains exhibit... | 08/06/2002 |
| 6403506 | Glass powder and use thereof The invention relates to a glass powder, where at least one oxidizing agent or one reducing agent is added to the glass powder. The glass powder is preferably used as dental glass powder.... | 06/11/2002 |
| 6387833 | Sealing composition A sealing composition having at least one member from -4PbO.B2 O3 crystal powder and Pb3 O4 powder incorporated in a total amount of from 0.0001 to 3 parts by weight to 100 parts by weight of a compositio... | 05/14/2002 |
| 6387832 | High stability transition metal NZP type phosphates Transition metal NZP type compounds are synthesized. Examples of these compounds include MnZr4 (PO4)6, FeZr4 (PO4)6, CoZr4 (PO4)6, NiZr4 (PO... | 05/14/2002 |
| 6383961 | Composition of dielectric for plasma display panel A composition of a dielectric for a plasma display panel in user for fabricating a dielectric thick film for a front substrate having a low sintering temperature, a low thermal expensive coefficient, a high dielectric constant and a high withstand voltage... | 05/07/2002 |
| 6376400 | Low melting point glass for covering electrodes, and glass ceramic composition for covering electrodes A low melting point glass for covering electrodes, consisting, as represented by mass percentage based on the following oxides, essentially of: Mass percentage PbO 20 to 60%, ... | 04/23/2002 |
| 6346493 | Decorative glass enamels The present invention provides a new and improved lead-free and cadmium-free glass enamel composition that displays good flow at traditional glass enamel firing temperatures and upon firing produces an enamel finish that displays no cracking, good chemica... | 02/12/2002 |
| 6335298 | Insulating glass paste and thick-film circuit component Disclosed is an insulating glass paste capable of forming an over glaze layer having a low rate of occurrence of cracks and excellent reliability. The insulating glass paste is used for forming an over glaze layer on an insulating substrate exhibits a fra... | 01/01/2002 |
| 6287996 | Ceramic color composition and process for producing a curved glass plate A ceramic color composition which comprises from 5 to 40 wt % of a heat-resistant color pigment powder, from 50 to 94.5 wt % of a glass powder, from 0 to 25 wt % of a refractory filler, and from 0.1 to 40 wt % of at least one whisker-like refractory fille... | 09/11/2001 |
| 6287995 | Composition of sealing glass A sealing glass composition for bonding the upper plate and the lower plate of a flat panel display device is described. The sealing glass composition includes a low melting point glass containing PbO of less than 20% and having a sintering temperature of... | 09/11/2001 |
| 6251810 | Composite solder glass, filling material for same and methods of using same An improved filling material for a composite solder glass based on doped PbTiO3 is disclosed, in which up to 35 atom % of the Pb atoms and up to 35% Ti atoms are replaced by Mg and/or Ca and a portion of O atoms in the doped PbTiO3 i... | 06/26/2001 |
| 6248679 | Low temperature sealing glass A sealing glass composition in powdered form comprising a crystallizable PbO/ZnO/B2 O3 /SiO2 glass in the vitreous state, an effective amount of a nucleating agent, and an optional filler. The glass composition can be used... | 06/19/2001 |
| 6245699 | High strength sealing glass A sealing glass composition in powdered form comprising a crystallizable base glass in the vitreous state and vanadium zirconium silicate in an amount from about 0.1 to 1 weight percent of the base glass. The sealing glass also may contain aluminum oxide ... | 06/12/2001 |
| 6225392 | Conductive paste A conductive paste comprising conductive powder and low-melting glass frit, wherein the low-melting glass frit constituting the conductive paste crystallizes crystals during firing to increase the resistivity of the conductive paste.... | 05/01/2001 |
| 6174359 | Ceramic decoration coloring substances with increased color saturation comprising zirconium pigments, process for their production and their use Ceramic decoration coloring substances substantially containing a zirconium pigment of the host lattice or inclusion type and a glass flux at a pigment volume concentration (PVC) of at least 30% have an increased color saturation C* if the glass flux comp... | 01/16/2001 |
| 6171987 | Cadmium-free and lead-free glass compositions, thick film formulations containing them and uses thereof A glass composition comprising, in mole percent of the total composition: glass-forming compounds in a total amount of 75 to 85%, wherein said glass forming compounds comprise 40 to 65% SiO2, 10 to 20% Bi2 O3 and 0.1 to 3% Al | 01/09/2001 |
| 6126743 | Process for producing dielectrics and fine single crystal powders and thin film capacitor Disclosed is a process for producing dielectrics which satisfy the formula of: WXMO3 --(l--w)(XOy --aGOz) wherein the symbols are as defined in the specification, which comprises mixing an oxide of X, an oxide of M and an oxide... | 10/03/2000 |
| 6069099 | Sealing glass paste method A method of controlling the rheology of a sealing glass paste which comprises incorporating a fine inorganic powder in the paste as a mill addition to impart a steep rheology curve to the paste so that the paste resists flow while at rest, but flows readi... | 05/30/2000 |
| 5998037 | Porcelain enamel composition for electronic applications The present invention provides a new and improved coating composition for use in forming a dielectric layer upon a section of metal upon firing. The coating composition includes a glass composition, said glass composition comprising in weight percent a co... | 12/07/1999 |
