Class / Patent application number | Description | Number of patent applications / Date published |
501073000 | Less than 40 percent by weight silica | 70 |
20080254966 | OPTICAL GLASS - Optical glass has a refractive index of 1.83 or above and an Abbe number of 26 or less and contains SiO | 10-16-2008 |
20080305942 | Oxynitride Armour Glass - The present invention relates to the use of an oxynitride glass comprising a combination of glass network modifying cations as an armour material. The invention further relates to a novel oxynitride glass comprising a combination of glass network modifying cations and to a novel method for preparing an oxynitride glass comprising a combination of glass network modifying cations. | 12-11-2008 |
20120196736 | Aluminum-Containing Waterglass Solutions - The invention relates to a process for preparing clear aqueous solutions of silicates, remaining stable at 20° C. on storage for at least 6 months, containing 20% to 40% by weight SiO | 08-02-2012 |
20130337992 | OPTICAL GLASS, GLASS MATERIAL FOR PRESS MOLDING, OPTICAL ELEMENT, AND METHOD OF MANUFACTURING SAME - A method of making a press-moldable glass, including melting starting materials, forming a melt, and annealing a formed glass, wherein the melt has a composition such that, (1) when rapidly cooled to room temperature, it becomes glass that has a scattering coefficient of less than 0.005 cm-1 at wavelengths of from 400 to 2,500 nm or comprises crystals with a volumetric ratio of less than 10-6, and (2) when maintained for three hours at a temperature 10° C. higher than the glass transition temperature, maintained for 10 min at a temperature yielding a viscosity of 104.5 to 103.5 dPa·s, and then rapidly cooled to room temperature, (3) the resulting glass has (a) a scattering coefficient of at least one wavelength from 400 to 2,500 nm of greater than 0.01 cm-1 or (b) crystals with a volumetric ratio of greater than 10-5. A temperature for annealing is lower than for glass transition. | 12-19-2013 |
20150038317 | Direct Smelting Process - A molten bath-based direct smilting process comprises controlling the process conditions in a direct smelting vessel so that molten slag in a molten bath of metal and slag in the vessel has a viscosity in a range of 0.5-5 poise when the slag temperature is in the range of 1400-1550° C. in the molten bath in the vessel. | 02-05-2015 |
501077000 | And boron | 65 |
20080280748 | Dielectric Ceramic-Forming Composition and Dielectric Ceramic Material - A dielectric ceramic-forming composition capable of being sintered at a temperature lower than that in the known art and to be formed into a dielectric ceramic material having a high dielectric constant; and a dielectric ceramic material obtained from the dielectric ceramic-forming composition are provided. | 11-13-2008 |
20090075807 | METHOD AND ARTICLE FROM ALUMINUM OXIDE GLASS AND ARTICLES MADE THEREFROM - A method of making an article from an aluminum oxide glass is disclosed. The aluminum oxide glass includes a rare earth oxide. The aluminum oxide glass has a glass transition temperature and a crystallization temperature, and these temperatures differ by at least 25K. The method includes: providing a glass in a form comprising particles, beads, microspheres, or fibers; heating the glass above the T | 03-19-2009 |
20100317507 | OPTICAL GLASS - An optical glass comprising, by mass %,
| 12-16-2010 |
20150353407 | OPTICAL GLASS, GLASS MATERIAL FOR PRESS MOLDING, AND OPTICAL ELEMENT - Provided are an optical glass with a high refractive index which has excellent devitrification resistance both in a molten state and during reheating, and a glass material for press molding and an optical element which are comprised of the optical glass. This optical glass includes, in mass %, 15-37% of B | 12-10-2015 |
501078000 | And rare earth (i.e., elements with atomic number 39 or 57-71) | 55 |
20080207429 | OPTICAL GLASS AND OPTICAL ELEMENT - An optical glass for press-molding contains as glass ingredients, by weight: 0.5-4% SiO | 08-28-2008 |
20080220961 | Optical Glass - An optical glass having refractive index (nd) exceeding 1.85, Abbe number (νd) of 36 or over, comprising SiO | 09-11-2008 |
20080287280 | OPTICAL GLASS COMPOSITION, PREFORM AND OPTICAL ELEMENT - An optical glass composition contains, in % by weight, 1.0% or more and 12.0% or less of SiO | 11-20-2008 |
20080293556 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS-MOLDING, OPTICAL ELEMENT, AND METHODS FOR MANUFACTURING THE SAME - Provided is an optical glass comprising, denoted as molar percentages:
| 11-27-2008 |
20090011918 | Optical glass and optical element - An optical glass of the present invention has optical constants with a refractive index (nd) of 1.74 to 1.76 and an Abbe number (υd) of 45 to 49.5, contains SiO | 01-08-2009 |
20090042715 | Lead-Free Bismuth Glass - An object of the present invention is to provide a lead-free bismuth glass wherein decrease of the degree of accuracy of the patterning is prevented. Specifically, the present invention provides a lead-free bismuth glass characterized in that said lead-free bismuth glass is used for an optical patterning glass material which is patterned by light irradiation and the optical-absorption coefficient to light with a wavelength of 365 nm is 300 to 3000 cm | 02-12-2009 |
20090082190 | OPTICAL GLASS - A high-refractive index, low-dispersion optical glass which is small in a change of imaging properties due to a change in temperature of the use environment, specifically one capable of realizing an absolute value of multiplication (α×β) of an average coefficient of linear expansion (α) at from −30 to +70° C. and a photoelastic constant (β) at a wavelength of 546.1 nm of not more than 130×10 | 03-26-2009 |
20090088310 | OPTICAL GLASS - There is provided an optical glass with a high refractive index and a low dispersion having a refractive index (nd) of not less than 1.75 and an Abbe's number (νd) of not less than 35 where the image formation characteristic is hardly affected by changes in temperature of the using environment. SiO | 04-02-2009 |
20090093357 | OPTICAL GLASS AND LENS USING THE SAME - The invention provides: an optical glass which comprises, in terms of % by mass on the basis of oxides, 13-27% of B | 04-09-2009 |
20090099002 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING, METHOD FOR MANUFACTURING PREFORM FOR PRECISION PRESS MOLDING, OPTICAL ELEMENT, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT - The present invention relates to an optical glass having optical constants in the form of a refractive index nd of 1.70 or higher and an Abbé number nud of 50 or higher, a preform for precision press molding comprised of this glass, an optical element comprised of this glass, and methods for manufacturing the preform and the optical element. | 04-16-2009 |
20090105061 | Glass Composition and Glass Spacer Using the Same - The present invention provides a glass composition that has good formability and tends not to cause electric-field breakdown when formed into a spacer for an electron beam-excited display. The present invention relates to a glass composition that contains the following components, in terms of mass %: 20≦SiO | 04-23-2009 |
20090111677 | OPTICAL GLASS - An optical glass consisting essentially of B | 04-30-2009 |
20090124481 | Optical glass - An optical glass having high refractive index and low dispersion properties. There is provided an optical glass having an Abbe number (ν | 05-14-2009 |
20090131240 | Optical Glass - A glass composition that simultaneously has a low temperature coefficient of refractive index and a good light transmittance, being suitable for use in environments of intense temperature change. There is provided an optical glass containing SiO | 05-21-2009 |
20090149307 | Optical glass - An optical glass comprising SiO | 06-11-2009 |
20090163345 | OPTICAL GLASS COMPOSITION, PREFORM AND OPTICAL ELEMENT - An optical glass composition contains, in % by mole, 14.0% or more and 31.0% or less of SiO | 06-25-2009 |
20090176641 | OPTICAL GLASS, GLASS MOLDED BODY, OPTICAL DEVICE AND THEIR PRODUCTION METHODS - An optical class comprising, by mass %, 12 to 30% of total of B | 07-09-2009 |
20090312172 | OPTICAL GLASS AND OPTICAL DEVICE - An optical glass suitable for precision molding glass preform having a low glass transition temperature and optical characteristics such as a high refractive index and low dispersion is provided. The optical glass contains, as essential components, cationic components of Si | 12-17-2009 |
20090325779 | OPTICAL GLASS - [Problems to be Solved] | 12-31-2009 |
20100029461 | OPTICAL GLASS AND OPTICAL APPARATUS USING THE SAME - An optical glass includes a substance A generating light of a wavelength λ | 02-04-2010 |
20100056354 | OPTICAL GLASS - Disclosed is an optical glass having a high refractive index and high moldability. | 03-04-2010 |
20100081555 | OPTICAL GLASS - A high-refractivity low-dispersion optical glass that can be stably supplied and has excellent glass stability and that has coloring reduced, comprises, by mass %,
| 04-01-2010 |
20100113248 | OPTICAL GLASS COMPOSITION, PREFORM AND OPTICAL ELEMENT - An optical glass composition contains, in % by mole, 0% or more and 25.0% or less of SiO | 05-06-2010 |
20100222199 | OPTICAL GLASS, OPTICAL ELEMENTS MADE THEREFROM, METHOD OF MAKING THE OPTICAL ELEMENTS FROM THE GLASS, AND OPTICAL COMPONENTS COMPRISING ONE OR MORE OPTICAL ELEMENTS - The lead-free and arsenic-free optical glasses have a refractive index of 1.83≦n | 09-02-2010 |
20100240516 | OPTICAL GLASS AND PREFORMS FOR PRECISION PRESS MOLDING AND OPTICAL ELEMENTS MADE BY USING THE GLASS - An object of the invention is to provide an optical glass for precision press having optical properties of a high refractive index and a low dispersion property and having a low molding temperature, a high devitrification resistance, an excellent molding property, and a small specific gravity. The optical glass of the invention contains, in terms of % by mass on the basis of oxides, respective components of B | 09-23-2010 |
20100261598 | OPTICAL GLASS - An optical glass includes, by weight: 1% or more and 5% or less of silicon oxide (SiO | 10-14-2010 |
20100304950 | OPTICAL GLASS - The present invention relates to an optical glass containing, in terms of mass % on the basis of oxides, B | 12-02-2010 |
20110028300 | OPTICAL GLASS - An optical glass comprising, by mol %,
| 02-03-2011 |
20110077142 | OPTICAL GLASS, PRESS-MOLDING GLASS MATERIAL, OPTICAL ELEMENT AND PROCESS FOR PRODUCING THE SAME - A high-refractivity low-dispersion optical glass of which the Ta | 03-31-2011 |
20110143909 | OPTICAL MATERIAL AND OPTICAL ELEMENT - Provided is an optical glass having homogeneous optical characteristics such that striae and devitrification hardly occur at the time of producing a gob. The optical glass includes cationic components having the following composition, provided that a total of the cationic components is 95 cat %, and has a refractive index (nd) of 1.6 or more and less than 1.7 and an Abbe number (vd) of 50 or more and 56 or less, | 06-16-2011 |
20110172078 | OPTICAL GLASS - An optical glass having a high refractive index (particularly preferably a refractive index of 1.6 or more), low dispersion (an Abbe number of 45 or more), a low deformation point, and improved resistance to devitrification upon molding, and suitable for precision-mold press molding or other molding processes and also suitable for transfer of a fine structure is provided. The optical glass contains 1.0-4.5 wt. % SiO | 07-14-2011 |
20110195833 | HIGH-REFRACTIVITY LOW-DISPERSION OPTICAL GLASS - The invention provides an environment-friendly optical glass with high refractive index, low dispersion and high light transmittance. The optical glass includes 6%-17% of B | 08-11-2011 |
20110237419 | OPTICAL GLASS - There is provided an optical glass with a high refractive index and a low dispersion having a refractive index (nd) of not less than 1.75 and an Abbe's number (νd) of not less than 35 where the image formation characteristic is hardly affected by changes in temperature of the using environment. SiO | 09-29-2011 |
20110257002 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING, OPTICAL ELEMENT, METHOD FOR MANUFACTURING OPTICAL ELEMENT - The present invention relates to an optical glass with a refractive index nd of 1.89 or higher and an Abbé number v(nu)d of 28 to 36; a preform for precision press molding and an optical element that are comprised of this glass; and a method for manufacturing the optical element. | 10-20-2011 |
20110263410 | METHOD FOR PRODUCING GLASS, OPTICAL GLASS, GLASS MATERIAL FOR PRESS MOLDING, OPTICAL ELEMENT AND METHODS FOR PRODUCING SAME - A process for producing a glass in the production of a glass molded article formed of an optical glass by melting and clarifying a glass raw material to prepare a molten glass and molding said molten glass,
| 10-27-2011 |
20110306487 | OPTICAL GLASS - An optical glass in includes SiO | 12-15-2011 |
20120035044 | Optical glass, preform for precision press molding, optical element and method of manufacturing thereof - An optical glass having a refractive index n | 02-09-2012 |
20120142517 | OPTICAL GLASS - A high-refractivity low-dispersion optical glass that can be stably supplied and has excellent glass stability and that has coloring reduced, composed of in mass %, 5 to 32% of total of SiO | 06-07-2012 |
20120231944 | Optical Glass - The disclosed optical glass contains, by weight, 20-32% SiO | 09-13-2012 |
20120238436 | Optical Glass and Optical Element - Provided with the following glass components: 8 to 19.5% B | 09-20-2012 |
20130072372 | OPTICAL GLASS - There is provided an optical glass with a high refractive index and a low dispersion having a refractive index (nd) of not less than 1.75 and an Abbe's number (νd) of not less than 35 where the image formation characteristic is hardly affected by changes in temperature of the using environment. SiO | 03-21-2013 |
20130172169 | OPTICAL GLASS, PRESS-MOLDING GLASS MATERIAL, AND OPTICAL ELEMENT AND METHOD OF MANUFACTURING THE SAME - An optical glass, comprising, denoted as cation percentages: a content of Si | 07-04-2013 |
20130190162 | OPTICAL GLASS AND OPTICAL ELEMENT - The invention discloses an optical glass and an optical element. The optical glass comprises 0.1 wt %-8 wt % of SiO | 07-25-2013 |
20130210604 | OPTICAL GLASS - An optical glass having high-refractivity and low-dispersion properties and containing, by mol %, 0.1 to 40% of SiO | 08-15-2013 |
20130231237 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING AND OPTICAL ELEMENT USING THE SAME - The present invention relates to an optical glass containing, in terms of % by weight on the basis of oxides, B | 09-05-2013 |
20130288878 | OPTICAL GLASS - A high-refractivity low-dispersion optical glass that can be stably supplied and has excellent glass stability and that has coloring reduced, composed of in mass %, 5 to 32% of total of SiO | 10-31-2013 |
20130331255 | OPTICAL GLASS - A highly refractive and highly transparent optical glass is provided. The use of such a glass, optical elements and processes for producing the glass or the optical elements are also provided. | 12-12-2013 |
20140024519 | OPTICAL GLASS, PREFORM FOR PRESS-MOLDING AND OPTICAL ELEMENT FORMED FROM PREFORM - The present invention relates to an optical glass including, in terms of mass % on the basis of oxides, B | 01-23-2014 |
20140171287 | OPTICAL GLASS - There is provided an optical glass with a high refractive index and a low dispersion having a refractive index (nd) of not less than 1.75 and an Abbe's number (νd) of not less than 35 where the image formation characteristic is hardly affected by changes in temperature of the using environment. SiO | 06-19-2014 |
20140221191 | OPTICAL GLASS AND OPTICAL ELEMENT - The present invention is aimed to provide a cost-effective optical glass with refractive index of 1.74-1.80 and Abbe number of 47-51 but containing no Gd | 08-07-2014 |
20140287906 | AN OPTICAL GLASS AND OPTICAL ELEMENT - The invention provides an optical glass, which includes 6 wt % to 10 wt % of B | 09-25-2014 |
20150045204 | OPTICAL GLASS AND USE THEREOF - An aspect of the present invention relates to optical glass, which is oxide glass, having a refractive index nd ranging from 1.95 to 2.50 and an Abbé number νd ranging from 18 to 40, including essential components in the form of Si | 02-12-2015 |
20150119228 | OPTICAL GLASS, PRECISION PRESS MOLDING PREFORM, AND OPTICAL ELEMENT AND METHOD OF MANUFACTURING THE SAME - The optical glass is described that may be an oxide glass including, denoted as cation %, a total of 5 to 60% of B | 04-30-2015 |
20160090320 | GLASS, GLASS MATERIAL FOR PRESS MOLDING, OPTICAL ELEMENT BLANK, AND OPTICAL ELEMENT - Provided is a glass which contains, by mass %, the following components: 20 to 35% of SiO | 03-31-2016 |
20160194237 | OPTICAL GLASS AND USE THEREOF | 07-07-2016 |
501079000 | And zinc | 6 |
20080300126 | LOW-MELTING LEAD-FREE SOLDER GLASS AND USES THEREOF - The low melting solder glass contains, in wt. % on an oxide basis, >1-2, SiO | 12-04-2008 |
20100022380 | PROCESS AND COMPOSITION FOR THE IMMOBILIZATION OF RADIOACTIVE AND HAZARDOUS WASTES IN BOROSILICATE GLASS - The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides borosilicate glass compositions for use in immobilizing radioactive and/or hazardous waste. | 01-28-2010 |
20100093512 | Glass Ceramic Material for Plasma Display - There is provided a glass ceramic material for plasma display, in which glass fine grains (A) having a softening point of 570-640° C. are in 40-70 wt %, and glass fine grains (B) having a softening point of 480-540° C. are in 30-60 wt %, the glass ceramic material for plasma display being characterized in that the glass fine grains (A) comprise 2-12 wt % of SiO | 04-15-2010 |
20110034315 | OPTICAL GLASS, PRECISION PRESS-MOLDING PREFORM, OPTICAL ELEMENT AND THEIR PRODUCTION PROCESSES AS WELL AS IMAGE-SENSING DEVICE - An optical glass that is an oxide glass and comprises, by cationic %,
| 02-10-2011 |
20110245063 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING, OPTICAL ELEMENT, METHODS FOR MANUFACTURING THE SAME, AND IMAGE PICKUP DEVICE - The present invention relates to an optical glass, a preform for precision press molding, methods for manufacturing the same, and an image pickup device. The optical glass of the present invention not only has a high refractive index, a high dispersion property, and good precision press moldability, but also has good stability with respect to devitrification when reheated (referred to as “devitrification stability upon reheating”), and is an optical glass with a good partial dispersion ratio (Pg, F). | 10-06-2011 |
20150065330 | OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL DEVICE - An optical glass includes, in weight percent: 15% to 36% of SiO | 03-05-2015 |