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| Number | Title | Issue Date |
| 8093166 | Bioactive glass compositions A bioactive glass composition, a method and an implant. The glass composition comprising SiO2, Na2O, K2O, CaO, and P2O5, having the following composition: SiO2 48-52 wt-%, Na2O 9-15 wt-%, K... | 01/10/2012 |
| 8093167 | Glass composition and substrate For providing glasses and glass-ceramics having properties suitable for use as a substrate of an information storage medium of next generation such as one for the perpendicular magnetic recording system without employing arsenic and antimony components which adverse... | 01/10/2012 |
| 7754630 | Large transmissive optical component An optical glass for the manufacture of large transmission optics, such as lenses having a thickness of 100 millimeters or more, comprises 35 to 70 wt.-% SiO2, 17 to 35 wt.-% Al2O3, 3 to 17 wt.-% P2O5, 0 to 6 wt... | 07/13/2010 |
| 7566672 | Glass composition exclusively consisting of oxides which already at low temperatures form volatile fluorides by reaction with fluorine and its use The glass is advantageous for microstructuring, especially reactive ion etching with fluorine and fluorine compounds, and has a glass composition based on oxide content and expressed in mol % of: SiO2, 40-70; GeO2, 0-30; B2O3 | 07/28/2009 |
| 7524782 | Large transmissive optical component An optical glass for the manufacture of large transmission optics, such as lenses having a thickness of 100 millimeters or more, comprises 35 to 70 wt.-% SiO2, 17 to 35 wt.-% Al2O3, 3 to 17 wt.-% P2O5, 0 to 6 wt... | 04/28/2009 |
| 7368166 | Polymerase chain reaction using metallic glass-coated microwire A metallic glass-coated microwire has controllable surface porosity. The porosity is achieved by etching the metallic glass-coated microwire or other shapes of glass-coated bodies with acid after annealing to produce a multi-phase glass coating. Porous metallic glas... | 05/06/2008 |
| 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 |
| 7324285 | Optical elements and imaging optics comprising them The optical elements are made from an opto-ceramic material that is characterized by high density, transparency for visible light and IR, high refractive index, high Abbe number and outstanding relative partial dispersion. Mixed oxides are sintered to obtain the opt... | 01/29/2008 |
| 7323426 | High strain point glasses A family of glasses from the SiO2—Al2O3—P2O5 ternary system exhibiting high strain point, transparency, and low coefficient of thermal expansion. The glasses have the following composition, expressed in mol ... | 01/29/2008 |
| 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 |
| 7320949 | Optical glass An optical glass suitable for precision mold pressing has a refractive index (nd) of 1.88 or over and an Abbe number (ν d) within a range from 22 to 28, comprises, in mass %, | 01/22/2008 |
| 7316740 | Lithium silicate materials Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength. ... | 01/08/2008 |
| 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 |
| 7287836 | Ink jet printhead with circular cross section chamber A thermal ink jet printhead with an array of nozzles 3, each nozzle having heater elements 10 disposed in a bubble forming chamber 7. The bubble forming chambers 7 having circular cross sections. For example, the chambers 7 are cyl... | 10/30/2007 |
| 7285506 | Lamp reflector substrate, glass, glass-ceramic materials and process for making the same The present invention relates to glass, glass-ceramic materials, lamp reflectors and processes for making them. The glass material has a composition, by weight of the total composition, comprising 56-67% SiO2; 9-22% Al2O3; 3.4-3.8% L... | 10/23/2007 |
| 7284469 | Protection from kinetic threats using glass-ceramic material A method for protecting an object from kinetic threats using a glass-ceramic is disclosed. The energy of impact is dissipated as a localized pulverization of the glass-ceramic without extensive shattering of the glass-ceramic. Further, a specific Anorthite glass-cer... | 10/23/2007 |
| 7279238 | Pressable glass-ceramics with textured microstructure A pressable dental ceramic comprising a mixture of glass and glass-ceramic frits. A refractory filler is also combined with the frits. The dental ceramic contains an amount of leucite less than about 35 percent by weight. Other additives may be included such as pigm... | 10/09/2007 |
| 7252713 | Mesoporous glass as nucleant for macromolecule crystallisation A method of facilitating the crystallisation of a macromolecule comprising the step of adding a mesoporous glass to a crystallisation sample wherein the mesoporous glass comprises pores having diameters between 4 nm and 100 nm and has a surface area of at least 50 m... | 08/07/2007 |
| 7250383 | Clad glass composition for graded-index rod lens, graded-index rod lens, and method for manufacturing the same It is an object of the present invention to provide a clad glass composition for graded-index rod lens for covering, during manufacturing, a preform glass composition lens of a graded-index rod lens that does not include PbO, in which the composition substantially d... | 07/31/2007 |
| 7241486 | Bone grafting materials The present invention relates to porous bone filling materials prepared by sintering bioactive glass fibers in order to achieve a three dimensional block with interconnecting porosity. Due to the osteoconductive properties the bioactive glass fibers, in block form a... | 07/10/2007 |
| 7202188 | Lead- and barium-free crystal glass A lead- and barium-free crystal glass having a refractive index of at least 1.55, with in % by weight, more than 50% and less than 60% SiO2, more than 0.6% and less than 4% B2O3, less than 3% K2O, more than 12% and less th... | 04/10/2007 |
| 7199066 | Lamp reflector substrate, glass, glass-ceramic materials and process for making the same The present invention relates to glass, glass-ceramic materials, lamp reflectors and processes for making them. The glass material has a composition, by weight of the total composition, comprising 56–67% SiO2; 9–22% Al2O3; 3.4–... | 04/03/2007 |
| 7192602 | Water-insoluble, antimicrobial silicate glass and use thereof The invention relates to an antimicrobial silicate glass with the following weight composition in wt. % based on oxides: SiO2 20 to 70, Na2O 5 to 30, K2O 0 to 5, P2O5 1 to 15, B2O3 0 to 10,... | 03/20/2007 |
| 7189672 | Aluminum silicophosphate glasses A substrate for flat panel display glasses comprising a glass the P2O5—SiO2—Al2O3 ternary system which yields stable glasses exhibiting high strain point temperatures, resistance to devitrification, good che... | 03/13/2007 |
| 7189409 | Bone grafting material, method and implant A bone grafting material, a method of producing the same, and an implant. The bone grafting material comprises a porous carrier of ceramic or glass ceramic or glass material and at least one pyrrolidone arranged in the carrier. ... | 03/13/2007 |
| 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 |
| 7169470 | Aluminosilicate glass A short optical glass is disclosed which does not comprise any silver, copper, thallium, lead or boron and is particularly suited for the application imaging, projection, telecommunication, optical information technology, and/or laser technology, also particularly s... | 01/30/2007 |
| 7166549 | Antimicrobial, anti-inflammatory, wound-healing and disinfecting glass and use thereof The invention relates to an antimicrobial, anti-inflammatory and disinfecting glass, whereby the glass comprises: 30–95 wt. % SiO2,0–40 wt. % Na 2O, 0–40 wt. % K2O, 0–40 wt. % Li2O, 0–35 wt. % CaO, 0–10 wt. % M... | 01/23/2007 |
| 7162892 | Method for making float glass having reduced defect density A method for reducing the defect density of glass comprising melting a glass composition comprising from 65–75 wt. % of SiO2; from 10–20 wt. % of Na2O; from 5–15 wt. % of CaO; from 0–5 wt. % of MgO; from 0–5 wt. % of Al2O | 01/16/2007 |
| 7144834 | Optical colored glass, its use, and an optical long-pass cutoff filter The invention concerns an optical colored glass with a composition (in percent by weight based on oxide) of SiO2 30–75; K2O 5–35; B2O3>4–17; ZnO 5–37; F 0.01–10; CdO 0.1–1, S+Se+Te 0.1–1.5 | 12/05/2006 |
| 7141523 | Ceramics comprising AlO, REO, ZrOand/or HfO, and NbOand/or TaOand methods of making the same Ceramics comprising (i) at least one of Nb2O5 or Ta2O5 and (ii) at least two of (a) Al2O3, (b) REO, or (c) at least one of ZrO2 or HfO2. Embodiments of ceramics according to the ... | 11/28/2006 |
| 7141522 | Ceramics comprising AlO, YO, ZrOand/or HfO, and NbOand/or TaOand methods of making the same Ceramics comprising (i) at least one of Nb2O5 or Ta2O5 and (ii) at least two of (a) Al2O3, (b) Y2O3, or (c) at least one of ZrO2 or HfO2. Embodiments of cer... | 11/28/2006 |
| 7138348 | Optical glass An optical glass has optical constants which are an refractive index (nd) of 1.70–1.75 and an Abbe number (vd) of 45.0–54.0; a glass transformation temperature (Tg) of 500–580° C. The glass has the following composition in mass percent of: SiO2 mor... | 11/21/2006 |
| 7091142 | Glass-ceramic and its production and use The invention encompasses a glass-ceramic comprising a continuous glass phase and a crystal phase comprising tetragonal leucite, wherein the glass-ceramic has a crack-free glass phase and a crystal phase comprising leucite crystals distributed essentially homogeneou... | 08/15/2006 |
| 7070703 | Process for producing glass disk substrates for magnetically recordable data storage disks A polished glass disk is prepared for a magnetically recordable coating by texturing the surfaces with a highly abrasive material being abrasively engaged with the surfaces as the disk is rotated, thereby creating a relatively coarse texture with the abrasions conce... | 07/04/2006 |
| 7068688 | Electro-optic Q-switch An electro-optic Q-switch for generating sequence of laser pulses was disclosed. The Q-switch comprises a quadratic electro-optic material and is connected with an electronic unit generating a radio frequency wave with positive and negative pulses alternatively. The... | 06/27/2006 |
| 7040960 | Use of bioactive glass for cutting bioactive glasses The present invention relates to a method of cutting a bioactive glass object which comprises contacting the bioactive glass object with bioactive glass particles delivered using an air abrasion system. ... | 05/09/2006 |
| 7041612 | Lead-free and arsenic-free special short flint glass The invention describes a lead-free and arsenic-free special short flint glass with a refractive index 1.60≦nd≦1.65, an Abbe number of 41≦νd≦52, a relative partial dispersion 0.551≦PgF≦0.570 in the blue spectral region, ... | 05/09/2006 |
| 7043113 | Optical multi/demultiplexer, optical multi/demultiplexing method, and optical filter Disclosed is an optical multi/demultiplexer, which comprises a graded index type light transmission section whose refractive index is continuously reduced in the direction from the center to the periphery thereof, a wavelength-multiplexed-light connecting section di... | 05/09/2006 |
| 7005187 | Glass for a light filter and a light filter Glass for a light filter capable of preventing variation of refractive index in a band-pass filter has a coefficient of thermal expansion within a range from 90×10−7/° C. within a temperature range from −20° C. to +70° C. and, preferably, Young's ... | 02/28/2006 |
