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| Number | Title | Issue Date |
| 8114796 | Fluorine-free optical glass The lead-free and fluorine-free optical glass has a refractive index of 1.60≦nd≦1.64 and an Abbe number of from 56≦vd≦64, a transformation temperature less than or equal to 590° C., can be precise pressed and is stable to cystallizatio... | 02/14/2012 |
| 8067321 | Sodium-potassium hexametaphosphate and potassium metaphosphate with a low insolubles content Potassium-containing polyphosphate glasses having a relatively high amount of potassium and a relatively low level of insoluble material (e.g., less than about 10% by weight), and a method for their production that includes using a boron-containing glass-former addi... | 11/29/2011 |
| 8008219 | Optical glass and optical element An optical glass includes, based on the total weight of the optical glass: not less than 35 weight percent and less than 45 weight percent of P2O5; not less than 0.5 weight percent and less than 10 weight percent of B2O3; ... | 08/30/2011 |
| 7906445 | Optical glass and optical element An optical glass includes P2O5, B2O3, Li2O, Na2O, K2O, CaO, TiO2, Bi2O3, Nb2O5 and WO3 each of which is in an amount in a p... | 03/15/2011 |
| 7799714 | Optical glass, precision press molding preform and manufacturing method of the same, optical element and manufacturing method of the same The optical glass comprises equal to or greater than 5 mole percent of P2O5, has an Abbé number of equal to or greater than 58 and a glass transition temperature of equal to or less than 570 degree Celsius, and has an alkalinity resistance def... | 09/21/2010 |
| 7732358 | Inorganic matrix compositions and composites incorporating the matrix composition A modified alkali silicate composition for forming an inorganic network matrix. The modified alkali silicate matrix is made by reacting an alkali silicate (or its precursors such as an alkali hydroxide, a SiO2 source and water), an acidic inorganic compos... | 06/08/2010 |
| 7498283 | Glass powder and resin composition comprising it A glass powder having an average particle size of at least 0.5 μm and smaller than 5.0 μm, having a specific surface area of at least 1.5 m2/cm3, and having a glass transition temperature higher than 200° C. and lower than 400° C. ... | 03/03/2009 |
| 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 |
| 7435695 | Lead-free phosphate glasses Disclosed are zinc niobium phosphate glasses consisting essentially, expressed in terms of mole percent on the oxide basis of, 40-65% P2O5, 25-37% ZnO, 0.1-15% Nb2O5, 0-6% Al2O3, 0-5% Bi2O3, 0-3% Na2O and 0-5% B2O3, said glass exhibiting glass transition temperature... | 10/14/2008 |
| 7419923 | Optical glass An optical glass comprising in mass %: P2O5... | 09/02/2008 |
| 7396786 | Glass and glass substrate having high dielectric constant A glass containing 5 to 25 mass % of P2O5, 0 to 15 mass % of B2O3, 0 to 5 mass % of SiO2+GeO2, 21 to 50 mass % of BaO+SrO, 0 to 3 mass % of Li2O+Na2O+K2O, and 35 to 65... | 07/08/2008 |
| 7396787 | Optical glass and process for making precise-pressed optical elements therefrom as well as said optical elements The lead-free, preferably lithium-free, optical glass is useful in imaging, projection, telecommunications, optical communication and/or laser technology, particularly for making precise-pressed optical elements. It has a refractive index nd of 1.50 to 1.... | 07/08/2008 |
| 7361632 | Water soluble glass as corrosion protector in dishwashing machines A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO. ... | 04/22/2008 |
| 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 |
| 7312169 | Optical glass for precision molding The present invention provides a high refractive index, high dispersion optical glass for precision molding, being free from harmful materials causing environmental problems, such as lead oxide, etc., and having a low yield temperature, a refractive index (nd) of at... | 12/25/2007 |
| 7309670 | Optical glass; press-molding preform and method of manufacturing same; and optical element and method of manufacturing same The present invention relates to optical glass having a high refractive index, high dispersion, and a low glass transition temperature; a preform comprised of the optical glass for precision press-molding and a method of manufacturing the same; and an optical elemen... | 12/18/2007 |
| 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 |
| 7208060 | Low temperature joining of phosphate glass A method for the low temperature joining of similar and/or different phosphate glass by mating at low temperature glass components by an aqueous solution containing phosphorus. In preferred embodiments, the phosphate glasses are polished, cleaned, and brought togeth... | 04/24/2007 |
| 7192897 | Near-infrared light-absorbing glass, near-infrared light-absorbing element, near-infrared light-absorbing filter, and method of manufacturing near-infrared light-absorbing formed glass article, and copper-containing glass Provided are near-infrared light-absorbing glass in which good color compensating characteristics are maintained even without containing harmful arsenic, permitting the thinning of the glass, and having good weatherability and forming properties; a near-infrared lig... | 03/20/2007 |
| 7157391 | Optical glass, preform for press molding and optical element An optical glass being free of lead and fluorine, having a low glass transition temperature permitting press-molding with a mold formed of stainless steel and having high climate resistance includes an optical glass comprising, by mol %, 25 to 44% of P2O | 01/02/2007 |
| 7141525 | Optical glass for precision molding The present invention provides a high refractive index, high dispersion optical glass for precision molding, being free from harmful materials causing environmental problems, such as lead oxide, etc., and having a low yield temperature (At), i.e. at most 580° C., a... | 11/28/2006 |
| 7141524 | Lead-free and preferably arsenic-free dense optical crown glass The lead-free, Li2O-free, CuO-free and preferably arsenic-free optical glass is suitable for applications in the fields of imaging, projection, telecommunications, optical communication technology and/or laser technology, and has a refractive index n... | 11/28/2006 |
| 7115536 | Rare earth containing P2O5-WO3-Na2O glass for laser applications A rare earth containing glass nominally based on the ternary P2O5—WO3—Na2O-Ln2O3 compositional space, with WO3>30-65 mole %, Na2O 15-35 mole %, P2O5 5-6... | 10/03/2006 |
| 7060640 | Optical glass An optical glass comprises, in mass percent, 15–35% of P2O5, 40–60% of Nb2O5, 0.5% to less than 15% of Na2O and 3% to less than 25% of BaO, has a ratio in mass % of (BaO+Nb2O5)/{(TiO | 06/13/2006 |
| 7033966 | Optical glass and lens An optical glass which contains at least 20 mol % of TeO2 and has an internal transmittance of at least 80% in a thickness of 2 mm to a light having a wavelength of 405 nm and a refractive index of at least 1.85 to the same light, and which contains no al... | 04/25/2006 |
| 7008855 | Glass frit bond and process therefor A lead-containing glass material of the type suitable for use in a wafer bonding process, wherein the moisture resistance of the glass material is increased by the presence of a lead phosphate coating on an outer exposed surface of the material, thereby acting as a ... | 03/07/2006 |
| 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 |
| 7001858 | Glass fiber and thermoplastic resin composition Glass fiber which substantially has the following composition as represented by mol percentage and has a glass transition temperature higher than 300° C. and lower than 400° C.: Li2O+Na2O+K2O: 5 t... | 02/21/2006 |
| 6995101 | Optical glass and optical product using the same An optical glass having a high refractive index and high dispersion characteristics suitable for application to precision press molding to precisely mold final products without requiring grinding or polishing. An optical glass can be prepared exhibiting a refractive... | 02/07/2006 |
| 6984261 | Use of ceramics in dental and orthodontic applications The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications. ... | 01/10/2006 |
| 6927185 | Porous material and method for preparation thereof As-prepared AlPO4—B2O3—Na2O-based glasses were placed in an autoclave together with distilled water and were treated at 150° C. for two hours. Although the specific surface area of the as-prepared glass prior to autoc... | 08/09/2005 |
| 6911160 | Phosphate glass for use in the manufacture of ultra-short length lasers and amplifiers A high-gain phosphate glass composition, which can be used to produce ultra-short gain length lasers and optical amplifiers is described wherein the composition of the glass in addition to exhibiting high gain for lasers and amplifiers, also exhibits high thermal sh... | 06/28/2005 |
| 6878765 | Method for producing a component and the use of said component A method for producing a component from a glass/polymer mixture where, a component is formed from a mixture of a thermoplastic with a processing temperature T1 and first glass particles with saturated surface bonds and a glass temperature T2 | 04/12/2005 |
| 6875714 | Optical glass and optical element made of the optical glass An optical glass consists essentially, expressed in term of weight percent, of: P2O5: 20.0 to 30.0%, B2O3: 0.5 to 10.0%, Nb2O5: 5.0 to 50.0%, WO3: 15.0 to 27.0%, Bi2O3... | 04/05/2005 |
| 6841493 | High K glass and tape composition for use at high frequency The present invention is directed to a glass composition comprising, based on mole %, 15-35% MO where M is selected from BaO, CaO, MgO, PbO, SrO and mixtures thereof, 30-60% TiO2, 10-30% B2O3, 1-7% P2O5, 0-3% Li... | 01/11/2005 |
| 6838171 | Antibacterial fiber and antibacterial twisted yarn An antibacterial fiber and twisted yarn having an antibacterial imparting glass composition complexed therewith. The glass composition comprises 0.1-5.0 % by weight of Ag2O in a composition containing 45-67 mol % of P2O5, 5-20 mol % ... | 01/04/2005 |
| 6815379 | Antibacterial cloth An antibacterial cloth having an antibacterial imparting glass composition complexed therewith. The glass composition comprises 0.1-5.0% by weight of Ag2O in a composition containing 45-67 mol % of P2O5, 5-20 mol % of Al2O... | 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 |
| 6743743 | Optical glass Optical glasses and optical articles comprised of the optical glass are disclosed. One of which comprises, by means of weight percentages, more than 32 percent and not more than 45 percent P2O5, more than 0.5 percent and not more than 6 percent... | 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 |
