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| Number | Title | Issue Date |
| 7439201 | Lead-free frits for plasma displays and other glass devices utilizing glass sealing materials The invention is directed to lead-free glass frit compositions that can be used as sealing frits, the compositions being a blend of: (1) at least one of two glass families which are SnO—ZnO—P2O5 and alkali-ZnO—P2O5 g... | 10/21/2008 |
| 7425518 | Lead-free glass material for use in sealing and, sealed article and method for sealing using the same Provided with a glass composition including a network-former oxide composed of any one of or both of B2O3 and V2O5 of 20-80% by weight, ZnO of 0-60% by weight and BaO of 0-80% by weight, wherein at least one of ZnO and BaO... | 09/16/2008 |
| 7410921 | High thermal expansion cyclosilicate glass-ceramics The invention is directed to highly crystalline, frit-sintered glass-ceramic compositions having a coefficient of thermal expansion in the range of 85-115×10−7° C. The primary crystal phases of the glass-ceramics of the invention possess a cyclosilica... | 08/12/2008 |
| 7378361 | High thermal expansion cyclosilicate glass-ceramics The invention is directed to highly crystalline, frit-sintered glass-ceramic compositions having a coefficient of thermal expansion in the range of 85-115×10−7° C. The primary crystal phases of the glass-ceramics of the invention possess a cyclosilica... | 05/27/2008 |
| 7341964 | Durable glass and glass enamel composition for glass coatings The present invention provides glass compositions and glass coating systems for use on glass substrates in several industrial applications. It relates to a lead-free and cadmium-free glass enamel coating made primarily by utilizing at least one or more of lead-free ... | 03/11/2008 |
| 7326367 | Thick film conductor paste compositions for LTCC tape in microwave applications This invention is related to thick film conductor compositions comprising electrically conductive gold powder, one or more glass frit or ceramic oxide compositions and an organic vehicle. It is further directed to the composition's uses for LTCC (low temperature co-... | 02/05/2008 |
| 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 |
| 7250178 | Antimicrobial ceramic glaze An antimicrobial ceramic glazing composition comprising zinc borate for imparting antimicrobial characteristics to numerous ceramic products. A method for producing the antimicrobial glazing composition and ceramic products incorporating the antimicrobial glazing co... | 07/31/2007 |
| 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 |
| 7208430 | Glass composition for covering electrodes and glass paste containing the same A glass composition for covering electrodes of the present invention contains: 0 to 15 wt % SiO2; 10 to 50 wt % B2O3; 15 to 50 wt % ZnO; 0 to 10 wt % Al2O3; 2 to 40 wt % Bi2O3; 0 to 5 wt % ... | 04/24/2007 |
| 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 |
| 7138347 | Thick-film conductor paste for automotive glass A thick-film composition comprising: (a) conductive metal; (b) crystallized glass; (c) amorphous glass; and (d) organic medium. ... | 11/21/2006 |
| 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 |
| 7079374 | Glass frit for dielectrics, dielectric ceramic composition, multilayer ceramic capacitor, and method for manufacturing the same A glass frit for dielectrics, a dielectric ceramic composition, a multilayer ceramic capacitor, and a method for manufacturing the same are disclosed. The glass frit has a composition represented by the formula aSiO2-bB2O3-cLi2 | 07/18/2006 |
| 6946414 | Glass-ceramics, process for the their preparation and use Glass-ceramic consisting of: SiO2: −30-70 wt %; A12O3: 8-45 wt %; M2O:8-30 wt %; MO: 0-30 wt %; B2O3: 0-15 wt %; P2O5: 0-15 wt %; Zr2O: 0-12 wt %; TiO2: 0... | 09/20/2005 |
| 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 |
| 6911408 | Lead-free enamel composition, the corresponding enamels and glass-ceramic articles, a new lead-free mineral glass Objects of the present invention are: a lead-free enamel composition comprising finely divided glass particles, finely divided pigment particles and an organic binder, characterised in that the glass of said particles is a lead-fre... | 06/28/2005 |
| 6897171 | Glass-ceramics process for their preparation and use The present invention refers to glass-ceramics consisting of the mixtures (I): ZrO2—SiO2—MeIIO, or (II) SiO2—MeIIIO2—MeIIO, wherein: MeII is chosen in the group consistin... | 05/24/2005 |
| 6881690 | Compositions for the decoration of ceramic materials New decorating materials suitable for the decoration of ceramic materials comprise a lead-free glass flux and at least one pigment. The glass flux comprises two lead-free glass compositions. One of the two glass compositions comprises, in weight percent, SiO2 | 04/19/2005 |
| 6849301 | Enamel composition, manufacturing process and resulting enamelled products The present invention relates to a process for manufacturing recyclable black enamels that contain at least zinc, in which process glass forming materials comprising at least bismuth, silicon, boron and manganese are melted, at temperatures greater than about 900° ... | 02/01/2005 |
| 6841495 | Glass and conductive paste using the same A glass containing no lead and comprising, calculated as oxides: 40-60 wt. % ZnO, 15-35 wt. % B2O3, 1-16 wt. % SiO2, 1-10 wt. % Al2O3, 2-15 wt. % MnO2, and at least one selected from the group consist... | 01/11/2005 |
| 6835680 | Ceramic color composition and ceramic color paste A ceramic color composition comprising, as represented by mass percentage, from 60 to 85% of a low melting point glass powder, from 15 to 40% of a heat-resistant pigment powder, from 0 to 15% of heat-resistant whiskers, and from 0 to 15% of a refractory powder, wher... | 12/28/2004 |
| 6815385 | Tungsten sealing glass for use in a fluorescent lamp A tungsten sealing glass for use in a fluorescent lamp, said glass having a composition of, by mass percent, 65-76% SiO2, 10-25% B2O3, 2-6% Al2O3, 0.5-5.8% MgO+CaO+SrO+BaO+ZnO, 3-8% Li2O+Na2 | 11/09/2004 |
| 6809049 | Glass compositions and glass forming materials comprising said compositions The present invention provides glass compositions that can be used instead of known glass compositions containing a large amount of PbO in applications such as coating ceramic substrates, e.g., alumina, or sealing fluorescent tubes or the like. The invention also pr... | 10/26/2004 |
| 6777358 | Sealing glass composition A glass composition for a seal consists essentially of 70-75 wt % of PbO, 3-7 wt % of PbF2, 5-8 wt % of Bi2O3, 5-7 wt % of B203, 2-5 wt % of ZnO, 1-3 wt % of Fe2O3, 0-2 wt % of CuO, 0-2% of... | 08/17/2004 |
| 6635592 | Tungsten seal glass for fluorescent lamp A tungsten sealing glass for use in a fluorescent lamp has a composition of, by mass percent, 65-76% SiO2, 10-25% B2 O3, 2-6% Al2 O3, 0.5-5.8% MgO+CaO+SrO+BaO+ZnO, 3-8% Li2 O+Na2 ... | 10/21/2003 |
| 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 |
| 6498117 | Process for manufacturing a recyclable zinc-containing black enamel composition The present invention relates to a process for manufacturing recyclable black enamels that contain at least zinc, in which process glass forming materials comprising at least bismuth, silicon, boron and manganese are melted, at temperatures greater than a... | 12/24/2002 |
| 6492289 | Lead-free glaze and spark plug A lead-free glaze that can be fired at a low temperature, a spark plug for which it is used, and a spark plug production method are provided. The lead-free glaze is for coating onto ceramic materials. This lead-free glaze contains 16-49 wt % of SiO2 | 12/10/2002 |
| 6450652 | Neodymium oxide doped motor vehicle windshield and safety glazing material Motor vehicle windshields and safety glazing material, suitable for use as motor vehicle windshields and safety glazing material for automobiles, trucks, buses, motorcycles, locomotives. sport utility vehicles, all terrain vehicles, and vans. The motor ve... | 09/17/2002 |
| 6439943 | Manufacturing method of plasma display panel that includes adielectric glass layer having small particle sizes The object of the present invention is to provide a high-intensity, reliable plasma display panel even when the cell structure is fine by resolving the problems such as a low visible light transmittance and low voltage endurance of a dielectric glass laye... | 08/27/2002 |
| 6432851 | Durable Sb-stabilized Mo+W phosphate glasses A durable low Tg Sb-stabilized Mo+W phosphate based glass composition exhibiting superior resistance to attack by boiling water, humidity and acids resulting from the addition of Sb to Mo+W phosphate based glass compositions. Specifically, the ... | 08/13/2002 |
| 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 |
| 6410633 | Antibacterial glass and resin composite comprising the same An antibacterial glass is a ZnO--B2 O3 --SiO2 glass and includes 0-6 wt % Na2 O. Typically, the antibacterial glass is used as an antibacterial agent which is filled into a resin.... | 06/25/2002 |
| 6403507 | Lead-free bismuth-containing silicate glasses and uses thereof The lead-free bismuth-containing silicate glasses, which are particularly suitable for use as funnel glass or neck glass for cathode ray tubes and as soldering glass, have the following respective compositions (in % by weight, based on oxide): SiO2 | 06/11/2002 |
| 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 |
| 6355187 | Conductive paste and glass circuit substrate There is provided a conductive paste comprising a conductive component, a glass frit, and a vehicle, wherein the glass frit comprises a glass and at least one of alumina (Al2 O3), silica (SiO2), titania (TiO2) a... | 03/12/2002 |
