Abstract: The present invention provides a raw material composition for soda-lime glass capable of effectively suppressing formation of nickel sulfide (NiS) in the course of melting of the glass raw material. A nickel sulfide (NiS) impurity present in soda-lime glass is formed in a high-temperature vitrification step in which metal particles containing Ni and an Ni component of stainless steel used for the interior of a melting furnace, which are mixed into glass raw material, react at high temperature with a sulfur (S) component in Na2SO4 serving as a glass raw material. However, when an additive containing an oxide, a chloride, a sulfate, or a nitrate of a metal is added in a very small amount and in advance to glass raw material, formation of NiS by the reaction between Ni and S in the course of melting can be suppressed or completely eliminated.

Abstract: The invention concerns a soda-lime glass. Said coloured glass contains at least 5 parts per million of Co by weight and 0.5 to 0.9 wt. % Fe2O3 oxide. The amount of ferrous iron by weight of Fe2+ atoms relative to the total weight of iron atoms present in the glass ranges between 25 and 45%. Said glass further comprises chromium and/or vanadium. The glass has a light transmission factor TLA4 ranging between 10 and 50% and an energy transmission wavelength less than 491 nm. Said glass is particularly suited for producing blue-tinted glazing for motor vehicles.

Abstract: The invention relates to a coloured soda-lime glass of blue hue, containing more than 2 wt. % of MgO, more than 1.1 wt. % of Fe2O3, less than 0.53 wt. % of FeO and less than 0.13 wt. % of MnO2, and presenting under Illuminant A and for a glass thickness of 4 mm, a transmission factor (TLA4) higher than 15%, a selectivity (SE4) higher than 1.2 and a dominant wavelength (&lgr;D) and a purity of excitation (P) such that they are located in the CIE chromaticity co-ordinate diagram inside a triangle whereof the apices are defined by the point representing the illuminant source C and the points whereof the co-ordinates (&lgr;D, P) are (490,19) and (476,49) respectively. Said glass is particularly suitable for motor vehicle side windows, rear windows and sun roof.

Abstract: The invention concerns a grey glass composition of the soda-lime type having a global light transmission under an illuminant A (TLA) more than 15% for a glass thickness equal to 4.85 mm, said composition comprising colouring agents as follows in the following weight percentage limits: Fe2O3: 0.25-0.65%, preferably 0.3-0.6% and more preferably still 0.3-0.4%; CoO: 150-250 ppm and preferably>185 ppm; NiO: 650-1000 ppm; Se<5 ppm.

Abstract: Ceramic inert anodes useful for the electrolytic production of aluminum are disclosed. The inert anodes comprise an oxide of Ni and Fe having a controlled Ni/(Ni+Fe) mole ratio which results in a single-phase structure at the operation temperatures of aluminum production cells. The Ni and Fe oxide material may also have a single-phase structure at the sintering temperature of the material. The single-phase inert anode materials maintain sufficient electrical conductivity at the operating temperatures of the cell, and also possess good mechanical stability.

Abstract: A high transmittance fairly clear/neutral colored glass composition is provided. An oxidizing agent(s) such as cerium oxide (e.g., CeO2) or the like is added to the glass batch in order to realize very oxidized conditions (i.e., to significantly lower the redox of the resulting glass). As a result of the oxidizing agent(s) used in the batch, the iron is oxidized to a very low FeO (ferrous state) content. For example, this may result in a glass having a glass redox value of no greater than 0.12 (more preferably <=0.10; even more preferably <=0.08; and most preferably <=0.05) and a % FeO (i.e., ferrous content) of from 0.0001 to 0.05%. In certain example embodiments, in order to compensate for yellow or yellow-green coloration a small amount of cobalt (Co) may be provided in the glass to enable it to realize a more neutral color.

Abstract: Ultraviolet/infrared absorbent green glass is composed of soda-lime-silica glass including 0.001 to 2 wt. % Li2O and, as colorant, 0.4 to 2 wt. % total iron oxide expressed as Fe2O3 (T-Fe2O3) wherein FeO expressed as Fe2O3 is 15 to 60% of T-Fe2O3. The glass has visible light transmittance (YA) of not less than 70%, measured by using the CIE illuminant A, and total solar radiation transmittance (TG) of not greater than 60%, when the glass has a thickness between 2.1 mm and 6 mm.

Abstract: A grey glass composition employing as its colorant portion at least iron (Fe2O3/FeO), cobalt and possibly erbium oxide (e.g., Er2O3) is provided. The glass enables high visible transmission, and satisfactory IR absorption, while at the same time achieving desired grey color. In certain example embodiments, the colorant portion includes: 1 total iron (expressed as Fe2O3): <=0.35% erbium oxide (e.g., Er2O3): 0 to 0.3% selenium (Se): <=15 ppm cobalt oxide (e.g., Co3O4): 5 to 60 ppm glass redox: >=0.35.

Abstract: A soda-lime-silica based privacy glass, having a visible transmission (Lta) of no greater than 25% and an infrared (IR) transmission no greater than 25%, includes the following colorants in addition to the base glass:

Abstract: The present invention is a bronze and gray glass composition. The composition comprises 68 to 75% SiO2, 10 to 18% Na2O, 5 to 15% CaO, 0 to 10% MgO, 0 to 5% Al2O3, and 0 to 5% K2O, where CaO+MgO is 6 to 15% and Na2O+K2O is 10 to 20%, and colorants comprising: 0.22 to 0.39 wt. % total iron as Fe2O3 wherein the ratio of FeO/total Fe as Fe2O3 is 0.35 to 0.64; 0.1 to 0.5 wt. % manganese compound as MnO2; 0 to 1.2 wt. % cerium oxide as CeO2; and 2 to 10 ppm selenium, and 0 to 20 ppm cobalt as cobalt oxide. The colored glass has the following spectral properties at 4.0 mm. thickness: 65 to 78% light transmittance using Illuminant A (LTA) and using Illuminant C has a dominant wavelength of 493 to 577 nanometers with an excitation purity up to 7%.

Abstract: The present invention relates to a coloured soda-lime glass of high light transmission. It comprises less than 0.4% by weight of total amount of iron, expressed in the form of Fe2O3, has a redox ratio of at least 30% with an FeO content of at least 0.08% by weight and comprises in total at least 5 ppm and at most 1500 ppm by weight with respect to the total weight of glass of at least one of the following colouring agents in the respective amounts indicated: Cr2O3 from 0 to 500 ppm, V2O5 from 0 to 1000 ppm, Co from 0 to 100 ppm and Se from 0 to 10 ppm. This glass is suitable as glazing for motor vehicles and as glazing intended for buildings.

Abstract: A glass composition including from 0.10 to 2.0% yttrium oxide (e.g., Y2O3) and employing in its colorant portion iron (total iron expressed as Fe2O3), erbium (e.g., Er2O3), and/or holmium (e.g., Ho2O3). In certain embodiments, the glass may be grey in color.

Abstract: A glass having a visible transmission of no greater than 28% and low IR transmission, and employing a colorant portion: 1 total iron (expressed as Fe2O3):  0.7 to 1.8% cobalt oxide (e.g., Co3O4): 0.001 to 1.0% titanium oxide (e.g., TiO2):  0.25 to 3.0% selenium (e.g., Se):    0 to 0.0020% chromium oxide (e.g., Cr2O3):    0 to 0.010%.

Abstract: A blue-green colored glass composition includes a base portion, such as a conventional soda-lime-silica base, and major colorants. In one embodiment, the major colorants include 0.7 to 0.9 weight percent total iron (Fe2O3), 0.2 to 0.3 weight percent FeO, and 0 to 5 ppm CoO. The glass is characterized by a dominant wavelength in the range of 490 nm to 495 nm and an excitation purity in the range of 3% to 11%. The glass of the invention can be essentially free of Se.

Abstract: The present invention provides a high redox, ultraviolet and/or infrared absorbing radiation absorbing, and colored glass using a standard soda-lime-silica glass base composition and additionally at least on essential solar absorbing and colorant set of components. The solar absorbing flat glass article has two opposing major surfaces with a thickness of 1.5 to 12 mm. and a redox value in the range of greater than 0.38 to about 0.6, a retained sulfate measured as (SO3) value in the range of greater than 0.005 to less than 0.18 weight percent, and is essentially free of coloration from inorganic polysulfides.

Abstract: The present invention relates to a container for high-grade natural products and a glass composition for such a container. Natural products, such as natural dietary supplements, phyto-therapeutic agents, etheric oils or homeopathic medicines, are high-grade products and can be stored in such a container. The container is made of clear glass in which the composition of the glass has incorporated therein particular mineral oxides including at least aluminum oxide, silicon oxide, sodium oxide, potassium oxide, magnesium oxide, calcium oxide, cobalt oxide, nickel oxide, manganese oxide, chromium oxide, iron oxide, and titanium oxide, such that the glass is capable of substantially blocking visible light but allowing for the transmittance of ultraviolet and infrared light.

Abstract: A special glass formed by maintaining a high redox ratio, and a large amount of total iron. The redox is preferably maintained at greater than 50 percent, more preferably greater than 80 percent. The total iron is maintained at least that 0.5 percent, and more preferably at 0.8 percent or greater.

Abstract: The present invention provides a blue colored, infrared and ultraviolet absorbing glass composition having a luminous transmittance of up to 60 percent. The glass uses a standard soda-lime-silica glass base composition and additionally iron and cobalt, and optionally selenium and/or titanium, as infrared and ultraviolet radiation absorbing materials and colorants. The glass of the present invention has a color characterized by a dominant wavelength in the range of 480 to 489 nanometers and an excitation purity of at least 8 percent at a thickness of 0.160 inches (4.06 millimeters). In one embodiment of the invention, the glass composition of a blue colored, infrared and ultraviolet radiation absorbing soda-lime-silica glass article includes a solar radiation absorbing and colorant portion consisting essentially of 0.9 to 2.0 percent by weight total iron, 0.15 to 0.65 percent by weight FeO, 90 to 250 PPM CoO, and optionally up to 12 PPM Se and up to 0.9 wt % TiO2, and preferably 1 to 1.

Abstract: A neutral gray colored glass composition for automotive vision panels having reduced transmitted color shift characteristics is provided. The glass composition has a base portion including 65 to 75 weight percent SiO2, 10 to 20 weight percent Na2O, 5 to 15 weight percent CaO, 0 to 5 weight percent MgO, 0 to 5 weight percent Al2O3, and 0 to 5 weight percent K2O. The composition also includes major colorants including 0.30 to 0.75 weight percent Fe2O3, 0 to 15 ppm CoO, and 1 to 15 ppm Se. The glass has a luminous transmittance of at least 65 percent at a thickness of 3.9 mm, a redox ratio of 0.2 to 0.675, a TSET of less than or equal to 65 percent, and a standard color shift of less than 6.

Abstract: A high transmittance fairly clear/neutral colored glass composition is provided. An oxidizing agent(s) such as cerium oxide (e.g., CeO2) or the like is added to the glass batch in order to realize very oxidized conditions (i.e., to significantly lower the redox of the resulting glass). As a result of the oxidizing agent(s) used in the batch, the iron is oxidized to a very low FeO (ferrous state) content. For example, this may result in a glass having a glass redox value of no greater than 0.12 (more preferably <=0.10; even more preferably <=0.08; and most preferably <=0.05) and a %FeO (i.e., ferrous content) of from 0.0001 to 0.05%. In certain example embodiments, in order to compensate for yellow or yellow-green coloration a small amount of cobalt (Co) may be provided in the glass to enable it to realize a more neutral color.

Abstract: The present invention provides for a new improved green privacy glass. In accordance with the teachings of the present invention, the iron is oxidized with the help of inexpensive manganese oxide. No chromium, cerium nor titanium oxides are added to obtain the desired green color. The glass has a %UV less than 13% at 4.0 MM. This low UV absorption could eliminate the need for a black band in glass to prevent the fading of the color in glass.

Abstract: The silicate glass has a composition (in % by weight, based on oxide) of SiO2, 54-72; Al2O3, 0.5-7; ZrO2, 10-20; B2O3, 0-<5; Na2O, 3-<8; K2O, 0-5; with Na2O+K2O, 2-<8; CaO, 3-11; MgO, 0-10; SrO, 0-8; BaO, 0∝10; with CaO+MgO+SrO+BaO, >5-24; La2O3, 0-5; and TiO2, 0-4. The glass also contains at least 0.6 percent by weight of La2O3 or at least 0.1 percent by weight TiO2. The glass has a hydrolytic resistance in hydrolytic glass 1, an acid resistance in acid class 3 or better, preferably acid class 1, a caustic lye resistance in lye class 1, a glass transition temperature (Tg) of at least 650° C., a thermal expansion coefficient (&agr;20/300) of 4.1×10−6 to 7.4×10−6/K, a refractive index (nd) of 1.53 to 1.63, an Abbé number (&ngr;d) of 48 to 58 and a negative anomalous partial dispersion in a blue spectral region (&Dgr;Pg,F) of up to −0.0130.

Abstract: The silicate glass has a composition (in % by weight, based on oxide) of SiO2, 54-72; Al2O3, 0.5-7; ZrO2, >10-<18; B2O3, 0-<5; Na2O, 2-<10; K2O1 0-5; with Na2O+K2O, 2-<10; caO, 3-11; MgO, 0-10; SrO, 0-8; BaO, 0-12; with CaO+MgO+SrO+BaO, >5-24; La2O3, 0-6; and TiO2, 0-4. The glass has at least 0.6% by weight of La2O3 or at least 0.1% by weight TiO2. The glass is in hydrolytic glass 1, acid class 3 or better, preferably acid class 1, and lye class 1. It has a glass transition temperature (Tg) of at least 640° C., a thermal expansion coefficient (&agr;20/30O) of 4.1×10−6 to 8.0×10−6/K, a refractive index (nd) of 1.53 to 1.63, an Abbé number (&ngr;d) of 47 to 66 and a negative anomalous partial dispersion in a blue spectral region (&Dgr;Pg,F) of up to −0.0130.

Abstract: An alkaline-earth aluminosilicate glass having a composition (in % by weight, based on oxide) of SiO2>55 - 64; Al2O3 13 - 18; B2O3 0 - 5.5; M5O 0 - 7; CaO 5.5 - 14; SrO 0 - 8; BaO 6 - 17; ZrO2 0 - 2; CeO2 0 - 0.3; TiO2 0 - 0.5; CoO 0.01 - 0.035; Fe2O3 0.005 - 0.05; and NiO 0 - 0.

Abstract: An ultraviolet and infrared radiation absorbing green glass comprises: in % by weight, as coloring components, 0.5 to 1.1%, excluding 0.5%, total iron oxide in terms of Fe2O3; 0 to 2.0% CeO2, 0 to 1.0% TiO2; 0.0005 to 0.01% NiO; and 0.0001 to 0.001% CoO; wherein, when the glass has a thickness of 4 mm, the glass has a visible light transmittance of 70% or more, a total solar energy transmittance of 60% or less, and an ultraviolet transmittance defined by ISO 9050 of 25% or less.

Abstract: A method for shifting the absorption peak wavelength in the wavelength range 900-1600 nm of an infrared radiation absorbing glass from less than 1100 nm to 1100 nm or longer without substantially changing the tint of the glass, comprising the step of irradiating with ultraviolet light of 400 nm or shorter at an energy density of 1.0×106 J/m2/hr or more to increase the content of FeO in the irradiated glass by reducing Fe (III) to Fe (II), the ultraviolet light irradiated glass thereby comprising 0.02 wt. % or more FeO in terms of Fe2O3. The glass to be irradiated comprises, in % by weight: 65 to 80% SiO2, 0 to 5% Al2O3, 0 to 10% MgO, 5 to 15% CaO, 10 to 18% Na2O, 0 to 5% K2O, 5 to 15% MgO+CaO, 10 to 20% Na2O+K2O, and 0 to 5% B2O3; 0.02% or more total iron oxide (T-Fe2O3) in terms of Fe2O3, 0 to 2.0% CeO2, 0 to 1.0% TiO2, 0 to 0.005% CoO, and 0 to 0.005% Se.

Abstract: Glass is made from batch components having a source of ferrous iron to increase the starting amount of ferrous iron in the glass batch. The ferrous iron source is an iron silicate material, such as fayalite (2FeO.SiO2), iron garnet (3FeO.Fe2O3.3SiO2) magnesium-iron olivine (2(Mg,Fe)O.SiO2), grunerite (6FeO.8SiO2FeOH)2, actinolite (CaO.3(Mg,Fe)O.4SiO2) or iron rich anthophyllite ((Mg,Fe)O.SiO2). The presence of the ferrous iron source in the glass batch components decreases or eliminates the amount of coal and also leads to a glass article having a redox ratio greater than about 0.25.

Abstract: The invention concerns a grey glass composition of the soda-lime type having a global light transmission under an illuminant A (TLA) more than 15% for a glass thickness equal to 4.85 mm, said composition comprising colouring agents as follows in the following weight percentage limits: Fe2O3: 0.25-0.65%, preferably 0.3-0.6% and more preferably still 0.3-0.4%; CoO: 150-250 ppm and preferably>185 ppm; NiO: 650-1000 ppm; Se<5 ppm.

Abstract: An ultraviolet ray-absorbing, colorless and transparent soda-lime-silica glass is disclosed, which glass is prepared by irradiating a cerium containing soda-lime-silica glass with light having wavelengths in far- to near-ultraviolet region and thereby reducing transmittance to light with wavelengths in the region of 300-400 nm.

Abstract: The present invention is a blue soda-lime-silica glass composition. The composition comprises 68 to 75% SiO2, 10 to 18% Na2O, 5 to 15% CaO, 0 to 10% MgO, 0 to 5% Al2O3, and 0 to 5% K2O, where CaO+MgO is 6 to 15% and Na2O+K2O is 10 to 20%, and colorants comprising: 0.3 to 0.8 wt. % total iron oxide as Fe2O3 wherein the ratio of FeO/total Fe as Fe2O3 is 0.35 to 0.62; 0.05 to 0.5 wt. % manganese compound as MnO2, 0 to 0.30 wt. % titanium oxide as TiO2; and 0 to 0.8 wt. % cerium oxide as CeO2. The colored glass has the following spectral properties at 4.0 mm. thickness: 65 to 81% light transmittance using Illuminant A (LTA) and using Illuminant C has a dominant wavelength of 488 to 494 nanometers with an excitation purity of 4 to 11%.

Abstract: The present invention provides for a new improved green privacy glass. In accordance with the teachings of the present invention, the iron is oxidized with the help of inexpensive manganese oxide. No chromium, cerium nor titanium oxides are added to obtain the desired green color. The glass has a % UV less than 13% at 4.0 MM. This low UV absorption could eliminate the need for a black band in glass to prevent the fading of the color in glass.

Abstract: The invention concerns a colored soda glass of green shade comprising at most 0.27 wt. % of FeO and has under a standard illuminant A and for a thickness of 4 mm, a light transmission (TLA-4) less then 70%, a selectivity (SE4) higher than 1.50 and an ultraviolet radiation transmission (TUV4) less than 20%. Said glass is particularly suited for vehicle side glazing and rear windows.

Abstract: A glass composition including from 0.10 to 2.0% yttrium oxide (e.g., Y2O3) and employing in its colorant portion iron (total iron expressed as Fe2O3), erbium (e.g., Er2O3), and/or holmium (e.g., Ho2O3). In certain embodiments, the glass may be grey in color.

Abstract: A grey glass composition employing as its colorant portion at least iron (Fe2O3/FeO) and erbium oxide (e.g., Er2O3), and also preferably selenium and cobalt. An exemplary colorant portion for use in a glass composition (with a soda lime silica or other suitable base glass) includes, by weight percentage: Total iron (expressed as Fe2O3): 0.1 to 0.6% erbium oxide (e.g., Er2O3): 0.3 to 1.5% selenium (Se): 0.0002 to 0.0010% cobalt oxide (e.g., Co3O4): 0.0005 to 0.0018% titanium oxide (e.g., TiO2): 0.0 to 1.0% boron oxide (e.g., B2O3): 0.0 to 2.0% The resulting glass may exhibit high visible transmittance (Lta), while at the same time low UV and IR transmittance.

Abstract: A glass has greenish color shade, a medium visible light transmittance, a low solar energy transmittance, and a low ultraviolet transmittance, and is suitable for a rear window of a vehicle arranged next to an ultraviolet/infrared absorbent glass with high light transmittance. The glass is formed of a base glass including 65 to 80 wt. % SiO2, 0 to 5 wt. %, Al2O3; 2 to 10 wt. % MgO, 5 to 15 wt. % CaO wherein a total amount of MgO and CaO is 7 to 15 wt. % (excluding 7 wt. %), 10 to 18 wt. % Na2O, 0 to 5 wt. % K2O wherein a total amount of Na2O and K2O is 10 to 20 wt. %, and 0 to 5 wt. % B2O3; and colorants including 1.0 to 1.35 wt. % total iron oxide as Fe2O3, 0.001 to 0.05 wt. % NiO, and 0 to 0.006 wt. % CoO (excluding 0.006 wt. %).

Abstract: Low transmittance glass is composed of soda-lime-silica glass including 0.001 to 2 wt. % Li2O and, as colorant, 0.7 to 2.2 wt. % total iron oxide expressed as Fe2O3 (T-Fe2O3). The glass has visible light transmittance (YA) of not greater than 65%, measured by using the CIE illuminant A, total solar radiation transmittance (TG) of not greater than 60%, and ultraviolet transmittance defined by ISO 9050 of not greater than 25%, when the glass has a thickness between 2.1 mm and 6 mm. Ultraviolet/infrared absorbent green glass is composed of soda-lime-silica glass including 0.001 to 2 wt. % Li2O and, as colorant, 0.4 to 2 wt. % total iron oxide expressed as Fe2O3 (T-Fe2O3) wherein FeO expressed as Fe2O3 is 15 to 60% of T-Fe2O3. The glass has visible light transmittance (YA) of not less than 70%, measured by using the CIE illuminant A, and total solar radiation transmittance (TG) of not greater than 60%, when the glass has a thickness between 2.1 mm and 6 mm.

Abstract: A method of making glass (e.g., grey in color in some embodiments, or otherwise colored in other embodiments) in a manner so as to reduce selenium (Se) burnoff. In some embodiments, Epsom salt(s) is added to the glass batch in order to reduce Se burnoff. The resulting glass product is useful, for example, in vehicle and/or architectural privacy glass applications.

Abstract: The present invention provides a light-colored high-transmittance glass sheet including, as coloring components, in weight percent, less than 0.06% total iron oxide in terms of Fe2O3 (T—Fe2O3); 0.5 to 5 ppm CoO; and 0 to 0.45% cerium oxide; wherein the ratio of FeO in terms of Fe2O3 to T—Fe2O3 is less than 40%; and wherein the glass sheet has a dominant wavelength of 470 to 495 nm when measured at a glass sheet thickness of 10 mm. The present invention also provides a light-colored high-transmittance glass sheet of light neutral gray or bronze tint with a dominant wavelength of 560 to 585 nm.

Abstract: An infrared and ultraviolet radiation absorbing glass having a green tint, more particularly, an infrared and ultraviolet radiation absorbing glass having high transmission and pale bluish green tint which is suitable for use as a glass for automobiles or a glass for construction. The infrared and ultraviolet radiation absorbing glass comprises, in % by weight: a soda-lime-silica basic glass, and coloring components comprising 0.40 to less than 0.58% total iron oxide (T—Fe2O3) in terms of Fe2O3, 0.05 to less than 0.5% CeO2, 0 to 0.5% TiO2, and 0.0001 to 0.002% CoO, wherein 20 to less than 30% of T—Fe2O3 is FeO in terms of Fe2O3.

Abstract: An infrared and ultraviolet radiation absorbing glass having a green tint, more particularly, an infreared and ultraviolet radiation absorbing glass having high transmission and pale bluish green tint which is suitable for use as a glass for automobiles or a glass for construction.

Abstract: The ultraviolet/infrared absorbent low transmittance glass has a grayish green color shade, low visible light transmittance, low total solar energy transmittance, and low ultraviolet transmittance, and is suitable for a rear window of a vehicle and capable of protecting privacy. The glass is formed of a base glass including: 65 to 80 wt. % SiO2; 0 to 5 wt. % Al2O3; 0 to 10 wt. % MgO; 5 to 15 wt. % CaO, wherein a total amount of MgO and CaO is between 5 and 15 wt. %; 10 to 18 wt. % Na2O; 0 to 5 wt. % K2O, wherein a total amount of Na2O and K2O is between 10 and 20 wt. %; and 0 to 5 wt. % B2O3, and colorants including: more than 0.95 wt. % and less than 1.2 wt. % total iron oxide (T-Fe2O3) expressed as Fe2O3; 0.001 to 0.0180 wt. % CoO; and 0.003 to 0.2 wt. % NiO.

Abstract: A glazing set mounted on an automobile vehicle, containing a wind screen, front side windows, rear side windows and a rear window, wherein each of the rear side windows and the rear window contain a glazing pane containing a colored glass sheet having a thickness of from about 2 to 8 millimeters, the colored glass sheet have a composition containing, in part, Fe2O3, FeO, CoO, Se and Sr2O3 as colorants, the glasses having a total energy transmission factor which is less than the light transmission factor thereof.

Abstract: The invention relates to a glass-ceramic material for dental restoration having a high crystalline leucite content. The leucite crystals are needle- or rod-shaped, have a thickness of between 0.3 and 1.5 micrometers and are between 7.5 and 20 micrometers in length. Said glass-ceramic material is substantially semi-transparent and contains, in% by weight: between 67 and 71% SiO2, between 8 and 12% Al2O3, between 3 and 5% Na2O, between 8 and 10% K2O, between 1 and 3% CaO, between 0.2 and 2% BaO, between 0.5 and 2% CeO2, between 0.2 and 1% TiO2 and between 0.5 and 2% B2O3. The above glass-ceramic material presents improved fracture strength and offers new indications for the use of full ceramic materials in dental technology, notably metal-free dental restoration.

Abstract: The ultraviolet/infrared absorbent low transmittance glass has an almost neutral color such as greenish gray, low visible light transmittance, low total solar energy transmittance, and low ultraviolet transmittance, and is suitable for a rear window of a vehicle and capable of protecting privacy. The glass consists of base glass including: 65 to 80 wt. % SiO2; 0 to 5 wt. % Al2O3; 0 to 10 wt. % MgO; 5 to 15 wt. % CaO wherein a total amount of MgO and CaO is between 5 and 15 wt. %; 10 to 18 wt. % Na2O; 0 to 5 wt. % K2O wherein a total amount of Na2O and K2O is between 10 and 20 wt. %; and 0 to 5 wt. % B2O3, and colorants including: 1.25 to 1.5 wt. % total iron oxide (T—Fe2O3) expressed as Fe2O3; 0.01 to 0.019 wt. % CoO; more than 0.0008 wt. % and equal to or less than 0.003 wt. % Se; and 0.055 to 0.1 wt. % NiO.

Abstract: A grey glass composition employing as its colorant portion at least iron (Fe2O3/FeO) and erbium (Er2O3), and also preferably selenium and cobalt. An exemplary colorant portion for use in a glass composition (with a soda lime silica or other suitable base glass) includes, by weight percentage: Total iron (expressed as Fe2O3): 0.35 to 0.50% Er2O3: 0.50 to 1.20% Se: 0.0002 to 0.0010% CO3O4: 0.0007 to 0.0018% TiO2:  0.0 to 0.15% B2O3: 0.0 to 1.5% The resulting glass may exhibit high visible transmittance (Lta), while at the same time low UV and IR transmittance.

Abstract: This invention relates to a process for producing zeolite-bound high silica zeolites and the use of the zeolite-bound high silica zeolite produced by the process for hydrocarbon conversion. The process is carried out by forming an extrudable paste comprising a mixture of high silica zeolite in the hydrogen form, water, silica, and optionally an extrusion aid, extruding the extrudable paste to form silica-bound high silica zeolite extrudates, and then converting the silica of the binder to a zeolite binder. The zeolite-bound high silica zeolite produced by the process comprises high silica zeolite crystals that are bound together by zeolite binder crystals. The zeolite-bound high silica zeolite finds particular application in hydrocarbon conversion processes, e.g., catalytic cracking, alkylation, disproportionation of toluene, isomerization, and transalkylation reactions.

Abstract: A glass composition capable of being chemically strengthened by ion-exchange within 100 hours to provide a glass with a surface compressive stress of greater then 400 MPa and an ion-exchange depth greater then 200 microns comprising: SiO2 58% to 70% (by weight), Al2O3 5% to 15%, Na2O 12% to 18%, K2O 0.1% to 5%, MgO 4% to 10%, CaO 0% to 1% with the provisos that the total of the Al2O3 and MgO is in excess of 13%, the total of the amounts of Al2O3 plus MgO divided by the amount of K2O is at least 3 and that the sum of the amounts of Na2O, K2O and MgO is at least 22%.

Abstract: This invention concerns glass sheets made from a glass containing, in percentages by weight, from 0.85 to 2% of total iron expressed in the form Fe2O3, the content by weight of FeO being from 0.21 to 0.40%, said sheets having, for a thickness of from 2 to 3 mm, a factor (TLA) of at least 70%, a factor (TE) less than 50% and a factor (TUV) less than 25%. The sheets according to the invention are more especially intended for the production of lateral panes for automobile vehicles.

Abstract: The invention relates to modeling and other techniques which can be used to find specified interactions among components used to make a glass which can produce specified characteristics of the resulting glass material. Other aspects of the invention relate to specified materials and material combinations in glasses that produce specified results. The materials which are used may interact with one another to produce effects that are based on the interaction with the other materials. One aspect defines a glass which has a solar transmission of less than 40% for a glass less than 4 mm, with a 70% visible transmission. Another aspect teaches a solar control glass with a visible transmission of less than 25% and a solar transmission of less than 15%.

Abstract: The invention relates to a colored glass composition for producing glazings for use, e.g., as automobile sunroofs. The colored glass according to the invention is a soda-lime-silica glass comprising, as coloring agents, 1.4 to 4% iron oxide expressed as Fe2O3 and 0 to 0.05 % cobalt oxide, with the cobalt oxide exceeding about 0.02% when the Fe2O3 is below about 2% and, optionally, selenium and chromium oxide, whereby the sum of the CoO+Se+Cr2O3 is preferably less than about 0.24% by weight. The glass of the invention has a total light transmission factor under illuminant A equal to or below approximately 20% and a total energy transmission factor equal to or below approximately 12% for a thickness of 3.85 mm.