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| Number | Title | Issue Date |
| 8080490 | Antimicrobial phosphate glass The invention relates to an antimicrobial phosphate glass having the following composition in percent by weight on an oxide basis: P2O5>66-80 percent by weight; SO30-40 percent by weight; B203 0-1 percent by wei... | 12/20/2011 |
| 7964521 | Getter paste composition The present invention relates to a getter paste composition, and more particularly, to a getter paste composition which is quickly densified at low densification temperatures to be applied to a device that is weak to heat, provides good adhesiveness, controls moistu... | 06/21/2011 |
| 7923393 | Low melting point frit paste composition and sealing method for electric element using the same The present invention relates to a low melting point frit paste composition and a sealing method for an electric element using the same, and more particularly, to a low melting point frit paste composition which is sealable and appropriate for a flat panel, protects... | 04/12/2011 |
| 7863207 | Glass frit and sealing method for element using the same The present invention relates to a glass frit and a sealing method for an electric element using the same, and more particularly, to a glass frit which provides a good sealing effect to moisture and gas and is processable at low temperatures, and a sealing method fo... | 01/04/2011 |
| 7846858 | Glaze for annealing surfaces The invention concerns a glaze for annealing surfaces, particularly of ceramic parts used in the field of medicine, comprising the components 30 to 55% SiO2, 0 to 7% Al2O3, 10 to 30% R2O, 5 to 10% R′O, 0.5 to 15% B2... | 12/07/2010 |
| 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 |
| 7323160 | Method of treating a patient's teeth using fluoride releasing glass composition A method of treating sensitive teeth includes (1) attaching a fluoride releasing glass composition to a person's tooth, and (2) allowing fluoride to be slowly released over time in order to reduce chronic and/or acute tooth sensitivity. A preferred glass composition... | 01/29/2008 |
| 7297645 | Opalescent glass-ceramic product An opalescent glass-ceramic product, especially for use as a dental material or as an additive to or component of dental material, including SiO2, Al2O3, P2O5, Na2O, K2O, CaO and Me(IV))O | 11/20/2007 |
| 7214429 | Sealing material A sealing material for sealing an envelope of an electron tube. The sealing material comprises 0.01Ëœ2.0 wt % of fine particle selected from the group consisting of SiO2, Al2O3 and ZrO2 having a particle diameter of 0.001Ë... | 05/08/2007 |
| 7175833 | Glass composition A glass composition having the general empirical formula given below, expressed in weight percent of the element: P: 16–24, F: 5–30, O: 20–40 and at least one of Na, K, Li or Al in an amount up to a total of 40 wt. % and optionally, up to 5 wt. % of boron and/... | 02/13/2007 |
| 7151064 | Optical glass suitable for mold forming An optical glass suitable for mold forming having a metal composition in wt % in terms of metal oxides calculated from the composition of the following components: P2O5 34–50%, Li2O 2–9%, Na2O 7–28%, K2O 3... | 12/19/2006 |
| 7148165 | Lead-free low softening point glass Disclosed is a lead-free low softening point glass whose composition lies within the system SnO—P2O5 and containing over 5 to 30 mol % of MnO. The addition of MnO allows the water resistance and coefficient of thermal expansion of the glass t... | 12/12/2006 |
| 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 |
| 7053016 | Ceramic porous body and method of manufacturing glass usable as binder therefor A ceramic porous body is provided which uses a binder made of a glass that has excellent acid resistance and alkali resistance and which can be used for a long period of time as a filtration filter. The ceramic porous body is formed from ceramic particles that are b... | 05/30/2006 |
| 7005396 | Enamel composition The present invention provides a composition for use in forming an enamel cover coat from which baked-on foods can be removed without the need for pyrolysis or highly alkaline cleaners. The enamel cover coat preferably exhibits no chipping or other surface defects s... | 02/28/2006 |
| 6997712 | Tooth containing image thereon A dental construct is provided, which includes: a dental construct substrate; an image layer disposed at least partially on a surface of the dental construct substrate, the image layer comprising an image or information media composed of a colorant composition, the ... | 02/14/2006 |
| 6989340 | Lead-free low softening point glass Disclosed is a lead-free low softening point glass whose composition lies within the system SnO—P2O5 and containing over 5 to 30 mol % of MnO. The addition of MnO allows the water resistance and coefficient of thermal expansion of the glass t... | 01/24/2006 |
| 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 |
| 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 |
| 6797048 | Method for preparing glass-ceramic The present invention provides a method for preparing a glass-ceramic containing leucite crystals, comprising the steps of: mixing (1) a glassy material comprising 53 to 65 wt. % of SiO2, 13 to 23 wt. % of Al2O3, 9 to 20 wt. % of K | 09/28/2004 |
| 6744188 | Spark plug A spark plug retains a resistor and has formed on alumina-based insulator a glaze layer, in which the glaze layer contains Pb component in a content of 1 mol % or less in terms of PbO, contains Si component, B component, Zn component, Al component, Ba component and/... | 06/01/2004 |
| 6737375 | Phosphate sealing frits with improved H2O durability Glass frit compositions, calculated in mole percent on an oxide basis, consisting essentially of 24.5 to 29.0% P2O5; 1.0 to 5.0% B2O3; 1.0 to 2.0% Al2O3; and sufficient amounts of SnO and ZnO (51.5 to... | 05/18/2004 |
| 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 |
| 6617269 | Lead-free tin silicate-phosphate glass and sealing material containing the same A sealing material for electric parts containing a lead-free tin silicate-phosphate glass of 50-100 volume percents and refractory fillers of the balance. The lead free tin silicate-phosphate glass consists essentially of, by molecular percent, 30-80% SnO... | 09/09/2003 |
| 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 |
| 6534427 | Night glow glaze for ceramics A lead-free glow in the dark glaze is provided for ceramic bisques. It includes Frit, Lithium Carbonate, Borax, carboxmethylceullulose and a phosphorus pigment. In some applications, Bentonite and/or Magnesium Sulfate are used. Preservatives and defloccul... | 03/18/2003 |
| 6511931 | Easy-to-clean matte acid resistant ground coat The present invention provides a ground coat composition for use in forming an enamel layer on sheet steel that exhibits good spot acid resistance, a satin finish, good bond, and is easy-to-clean. The composition according to the invention includes a glas... | 01/28/2003 |
| 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 |
| 6430966 | Glass-ceramic material and method of making The present invention is a glass-ceramic material and method of making useful for joining at least two solid ceramic parts. The seal is a blend of MA O--MB Oy --SiO2 that substantially matches a coefficient of t... | 08/13/2002 |
| 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 |
| 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 |
| 6309989 | Tin-borophosphate glass and sealing material A tin-borophosphate glass of the present invention has main components of SnO, B2 O3, and P2 O5, consists essentially of, by mole % representation, 30-70% SnO, 5-30% B2 O3, and 24-45% (24% ... | 10/30/2001 |
| 6306783 | Tin borophosphate glass comprising SnO, B2O3, and P2O5 as main components and sealing material using the glass A tin borophosphate glass for use in sealing materials includes, by mole, 30 to 80% of SnO, 5 to 60% of B2 O3, and 5 to 24% of P2 O5 as main components. The glass is free of lead but is of equal quality to those... | 10/23/2001 |
| 6306784 | Alkali silicate glass Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering material for ceramic dental frameworks and hence for the prod... | 10/23/2001 |
| 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 |
| 6206958 | Dental porcelain compositions Porcelain compositions of the present invention comprises particulate of one or more glass or glass-ceramic powder components. Additionally, one or more opacifing agents, pigments, fluorescing agents and the like may be included in the composition. Based ... | 03/27/2001 |
| 6196027 | Method of making glasses containing spectral modifiers The invention is a method of making silicate based glass compositions with phosphorus compounds included in the composition as spectral modifiers to impart desirable color and improved energy absorbance properties. The phosphorus compound is generally a m... | 03/06/2001 |
| 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 |
| 6165923 | Coating composition for carbonization chamber of coke oven and application method The present invention provides a coating layer of the coke oven having a high strength, high impact resistance and excellent smoothness to enable long term protection of the fire brick of the coke oven. Carbon adhered to the brick can be removed by sprayi... | 12/26/2000 |
| 6121175 | Alkali silicate glass Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering material for ceramic dental frameworks and hence for the prod... | 09/19/2000 |
