Abstract: The present invention relates to coated substrates with a very low solar factor, in particular transparent substrates coated with a stack of layers comprising one or more layers of metal, and comprising, in succession starting from the substrate, at least: a first layer of dielectric material, a first absorbent layer, an infrared reflective layer, a second absorbent layer, a last layer of dielectric material, the thickness and the nature of the layers being selected such that the total light absorption of the coated substrate is higher than or equal to 35% when the substrate is a 6 mm clear soda-lime glass. Such coated substrates are used, for example, as glazing units for buildings or vehicles, in laminated structures or as optical filters.

Abstract: A glazing panel having beneficial anti-solar properties comprises a vitreous substrate carrying a tin/antimony oxide coating layer containing tin and antimony in a Sb/Sn molar ratio of from 0.01 to 0.14. In one application the coated substrate has a solar factor FS of less than 70% and the panel is formed by chemical vapor deposition from a reactant mixture comprising a source of tin and a source of antimony. In another application it is particularly suitable for use in vehicle glazing, in particular in vehicle roof windows, and the coated substrate has a spray-formed pyrolytic tin/antimony oxide coating having a thickness of at least 400 nm and, whereby the coated substrate has a luminous transmittance (TL) of less than 35% and a selectivity (TL/TE) of at least 1.3.

Abstract: A laminated glazing panel (10) has at least one sheet of glass having a thickness of between 0.8 mm and 3.5 mm. The glass sheet has: a) an edge compression stress of between 20 MPa and 90 MPa; and b) a surface compressive stress at a central portion of the glass of between 2 MPa and 39 MPa. The glazing panel may be used as a laminated automotive glazing. A method of manufacturing a laminated glazing panel is also disclosed, comprising individually bending two sheets of glass and subsequently assembling and laminating the two sheets of glass together.

Abstract: Disclosed are laminated glazings with low light transmission for use in motor vehicles. The glazings include at least two glass sheets assembled by means of a thermoplastic interlayer sheet, which have a light transmission (TL) less than 35%, an energy transmission less than 15%, and calorimetric characteristics such that on the CIE chromaticity diagram it is included within the perimeter defined by the co-ordinate points: B(0.2600; 0.3450); F(0.3300; 0.

Abstract: A method of manufacturing a glazing panel having a solar factor (FS) of less than 70% and being composed of a vitreous substrate and a tin/antimony oxide coating layer provided on the vitreous substrate and having a Sb/Sn molar ratio ranging from 0.01 to 0.5, preferable 0.03 to 0.5, the method including the steps of providing reactants in gaseous phase which comprise tin and antimony compounds, which are present in an amount effective to form the tin/antimony oxide coating layer; and forming the tin/antimony oxide coating layer pyrolytically on the vitreous substrate from the reactants in gaseous phase to provide the glazing panel having a solar factor (FS) of less than 70%.

Abstract: A solar control panel comprises a glazing substrate and a solar control coating in which the solar control panel exhibits a luminous transmittance of less than 70%, a direct energy transmittance of less than 40% and a dominant wavelength in reflection of less than 510 nm and in which the solar control coating comprises in sequence at least: a first antireflective layer; a first infrared reflecting layer; a first barrier layer; a second antireflective layer; a second infrared reflecting layer; a second barrier layer; and a third antireflective layer; and in which the solar control coating comprises at least one additional light absorbing layer spaced from each of the barrier layers.

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 (?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 (?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: A transparent substrate carrying a coating stack which has undergone a bending or tempering type of heat treatment and a method of manufacturing this product, the coating stack comprising at least one metallic coating layer comprising silver or a silver alloy characterized in that before the said heat treatment, each metallic coating layer is in contact with two non-absorbent transparent dielectric coating layers, each comprising a sub-layer based on a partially oxidized combination of two metals. The product in accordance with the invention is intended for incorporation in a laminated glazing, particularly to form a vehicle windshield.

Abstract: The invention relates to blue colored sodiocalcic glass. It contains 0.15 to 1.1 wt. % Fe2O3, has a redox that does not exceed 45%, exhibits a dominant wavelength (?D) in the range of 490 and 493 nm and a luminous transmission (TLA4) in addition to an excitation purity (P) satisfying the relation P>?0.3×TLA4+24.5. The inventive glass is particularly suitable for windscreens, side windows and rear-window defoggers in motor vehicles and glazing in buildings.

Abstract: The present invention relates to a glazing comprising: a substrate made of colored soda-lime glass composed of main glass-forming constituents and of coloring agents, which exhibits a selectivity (LT/ET) of at least 1.1, measured with Illuminant C for a glass thickness of 4 mm, and a coating deposited by pyrolysis on the colored glass substrate. The coating is a coating which provides the coated glazing with an increased selectivity with respect to the selectivity of the uncoated colored glass. Such a glazing is particularly used for vehicles of the motor vehicle or train type, or alternatively for buildings.

Abstract: The invention concerns a colored soda-lime glass comprising an amount of MgO more than 2%, an amount of Fe2O3 less than 1.1%, and amount of MnO2 less than 1300 ppm, an amount of Co more that 55 ppm and it has a selectivity (SE4) higher than 1.2 and a dominant wavelength ?D not exceeding 490 nm and excitation purity (P) more than 10%. Said glass is particularly suited for rear side windows, back windows and glass sun roofs for motor vehicle.

Abstract: An automotive glazing panel has an electrically heatable solar control coating layer, spaced first and second bus bars adapted to relay electrical power to the coating layer. The glazing panel is provided with at least two, spaced data transmission windows positioned at least partially in contact with the heatable solar control coating layer which are separated by a portion of the glazing panel which is in electrical contact with the electrically heatable solar control coating layer.

Abstract: A process for forming a silver coating on a surface of a vitreous substrate is described. The process comprises an activating step in which said surface is contacted with an activating solution, a sensitising step in which said surface is contacted with a sensitising solution, and a subsequent silvering step in which said surface is contacted with a silvering solution comprising a source of silver to form the silver coating. The process is characterised in that said activating solution comprises ions of at least one of bismuth (III), chromium (II), gold (III), indium (III), nickel (II), palladium (II), platinum (II), rhodium (III), ruthenium (III), titanium (III), vanadium (III) and zinc (II).

Abstract: A process for forming a vitreous layer on a refractory surface, in which a vitrifying agent is projected by means of an apparatus against the surface with an oxygen-containing carrier gas and simultaneously with a combustible gas, the latter generating a combustion flame, characterized in that the vitrifying agent comprises particles of cullet and in that the flame generated provides, at least partially, the heat needed to form the vitreous layer on the surface. The vitreous layer thus formed makes it possible to prevent the build-up, on the refractory walls of high-temperature ovens, of dust or by-products coming from the raw materials and/or their reaction products.

Abstract: A transparent coated substrate with rather high reflectance, especially for use as in exterior glazing panels for buildings or automotives, is provided by a substrate carrying a coating stack comprising a pyrolytically-formed main layer containing oxide of tin and an outer layer comprising TiO2, whereby the so-coated substrate has a reflectance (RL) of more than 10%. The coated substrate advantageously shows photocatalytic and hydrophilic properties.

Abstract: A curved laminated automotive glazing panel (10) having a radius of curvature at at least one portion that is less than 500 mm has a glazing panel which is provided with a solar control coating layer (25) positioned at its convex internal surface (11) and in which the coating stack comprises at least two space sputtered silver containing layers initially deposited on a substantially flat sheet of glazing material which is subsequently bent to form a part of the glazing panel (10).

Abstract: The invention concerns transparent fire break glass panels. The inventive glazing comprises at least two glass sheets and an intumescent phosphate-based material layer, layer which is located between said two glass sheets. The intumescent material comprises pyrogenous silica or a mixture of pyrogenous silica and alumina which enables said material to be exempt from creep deformation at temperatures preceding the expansion of the intumescent material in fire resistance tests. The inventive glass panels have proved heat resistance, and are more easily manufactured than similar glass panels in prior art.

Abstract: The invention concerns glass panels comprising thin layers in particular for providing them with solar protective or low-emissive properties, and also comprising other thin layers for correcting rainbow effects induced by the former. The invention is characterized in that said glass panels comprise a glass substrate coated with an aluminum oxynitride layer, deposited by gas phase pyrolysis, and whereof the characteristics of thickness and refractive index are selected so as to attenuate colors reflected by the layer providing the glass panel with low-emissive and/or solar protective properties, layer which is deposited on the aluminum oxynitride layer.

Abstract: The invention concerns a coloured soda-lime glass deep coloured with a green-to-blue shade. It contains 0.40 to 0.52 wt. % of FeO, present under illuminant A and for a glass thickness of 4 mm, a light transmittance (TLA4) less than 70%, a selectivity (SE4) higher than 1.65 and an ultraviolet radiation transmittance (TUV4) less than 8%. Said glass is particularly suited for lateral rear glazing and rear glazing for motor vehicles.

Abstract: A glazing panel comprises in sequence at least: a glass substrate, a base antireflective layer comprising at least a base antireflective lower layer and a base antireflective upper layer which is of a different composition to that of the base antireflective lower layer, the base antireflective upper layer comprising a mixed oxide of Zn and at least one additional material X, in which the ratio X/Zn in the base antireflective upperlayer is between 0.02 and 0.