Classifications

• • C—CHEMISTRY; METALLURGY
  • C03—GLASS; MINERAL OR SLAG WOOL
  • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
  • C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
• • C—CHEMISTRY; METALLURGY
  • C03—GLASS; MINERAL OR SLAG WOOL
  • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
  • C03B13/00—Rolling molten glass, i.e. where the molten glass is shaped by rolling
  • C03B13/08—Rolling patterned sheets, e.g. sheets having a surface pattern
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B3/00—Simple or compound lenses
  • G02B3/0006—Arrays
  • G02B3/0037—Arrays characterized by the distribution or form of lenses
  • G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B3/00—Simple or compound lenses
  • G02B3/0006—Arrays
  • G02B3/0037—Arrays characterized by the distribution or form of lenses
  • G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B5/00—Optical elements other than lenses
  • G02B5/02—Diffusing elements; Afocal elements
  • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
  • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
  • G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B5/00—Optical elements other than lenses
  • G02B5/02—Diffusing elements; Afocal elements
  • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
  • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
  • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B5/00—Optical elements other than lenses
  • G02B5/02—Diffusing elements; Afocal elements
  • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
  • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
  • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
  • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
• • C—CHEMISTRY; METALLURGY
  • C03—GLASS; MINERAL OR SLAG WOOL
  • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
  • C03B27/00—Tempering or quenching glass products
  • C03B27/04—Tempering or quenching glass products using gas
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E10/00—Energy generation through renewable energy sources
  • Y02E10/50—Photovoltaic [PV] energy
  • Y02E10/52—PV systems with concentrators
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P40/00—Technologies relating to the processing of minerals
  • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
  • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Definitions

• the present invention relates to a textured glass sheet.
• the present invention relates to a textured glass sheet comprising a face provided with a texturing formed by a plurality of geometric patterns in relief relative to the general plane of the textured face.
• the invention also relates to an assembly comprising such a glass sheet and at least one element for using the solar radiation disposed under the glass sheet, the texture being on the side of the incident light.
• the glass sheet according to the invention Due to its particular texturing, the glass sheet according to the invention has improved properties of light transmission through said sheet, regardless of the orientation of the incident light, and "trapping" properties of the light.
• the glass sheet according to the invention can be advantageously applied in the photovoltaic field and, in particular, be integrated in a solar panel or module.
• the glass sheet according to the invention acts as a cover / mechanical protection of the photovoltaic cell (s), is therefore interposed between the solar radiation and the (es) cell (s). (s), and consequently allows a better performance of the panel / solar module.
• Photovoltaic modules generally comprise solar cells which are covered with a glass cover.
• This lid usually in the form of a sheet of glass, protects the cells from the outside environment (dust, rain, etc.).
• this Glass cover generates a drop in efficiency of the module due to a decrease in the transmission of solar radiation to the cells, due to two main factors: (i) reflection losses at both interfaces of the glass sheet and (ii) losses due to absorption of radiation as it passes through the glass of the sheet.
• One of the known solutions for increasing the efficiency of a photovoltaic module consists in increasing the transmission of the cover sheet positioned between the cells and the radiation, by limiting the reflection of the incident radiation, via the presence of a so-called “anti-reflective” layer or “Anti-reflective” and / or through its texturing, for example with particular patterns in relief relative to the surface of the glass sheet and directed to the radiation (and therefore to the outside environment).
• the application WO03 / 046617A1 discloses a transparent plate having geometric patterns periodically distributed on the textured face of the plate and for improving the transmission of light from said plate.
• the patterns are, for example, cones or pyramids with a polygonal base (triangular or square or rectangular or hexagonal or octagonal), said patterns being convex, that is to say protruding / protruding from the general plane of the textured face, or concave, that is to say hollow in the mass of the plate.
• the application WO03 / 054974A1 describes a glass sheet having concave patterns in the shape of a half-sphere.
• a glass sheet having this type of pattern is susceptible to fouling and pollution.
• the dust brought in particular by the rain or wind is deposit on the sheet and remain trapped in the patterns themselves if they are concave or in the hollows formed between the convex patterns.
• This fouling is of course highly detrimental to the energetic transmission and thus to the yield over time of the solar module integrating the thus textured glass sheet.
• the object of the invention is therefore notably to overcome these disadvantages of the prior art.
• the invention in at least one of its embodiments, thus aims to provide a textured glass sheet which has good light / energy transmission, and in particular, good light trapping properties, which whatever the orientation of the incident light.
• Another object of the invention in at least one of its embodiments, is to provide a textured glass sheet which has a low tendency to fouling.
• the invention in at least one of its embodiments, also aims to provide a textured glass sheet which is quenchable, that is to say without significant deformation during thermal quenching.
• the invention relates to a transparent glass sheet comprising a face provided with a texturing formed in the mass of the glass by a plurality of geometric patterns in relief, concave and / or convex relative to the general plane of said face, rectilinear and parallel s extending along said face.
• the ratio R of the maximum height h of the patterns with respect to the general plane of the glass sheet on the thickness e of the glass sheet is 0.002 R R ⁇ 0.10.
• the invention is based on a completely new and inventive approach because it solves the disadvantages of the aforementioned prior art and solve the technical problem.
• the inventors have in fact demonstrated that it is possible by using a specific range of ratio of the height of the patterns / thickness of the glass, to obtain a glass sheet with rectilinear and parallel patterns which is quenchable.
• Figure 1 schematically illustrates a perspective of a glass sheet according to the invention
• Figure 2 schematically shows different configurations of patterns according to the invention (in section).
• the glass sheet according to the invention is made of glass that can belong to various categories.
• the glass can thus be a soda-lime type glass, an aluminosilicate type glass, a boron glass, a lead glass, etc.
• the glass sheet is made of a silico-soda-lime type glass.
• the glass may have a composition which comprises in a content expressed as percentages by total weight of glass:
• the composition of the glass sheet may comprise, in addition to the impurities contained in particular in the raw materials or elements resulting from the dissolution of the refractory constituting the melting furnaces, one or more additive (s) distributed ( s) homogeneously in its mass, such as, for example, an oxidizing compound, a viscosity regulating agent and / or an agent facilitating melting or refining.
• additive distributed ( s) homogeneously in its mass, such as, for example, an oxidizing compound, a viscosity regulating agent and / or an agent facilitating melting or refining.
• one side of a glass sheet is meant one of the two faces / main surfaces of the sheet.
• transparent glass sheet means a glass sheet which at least partially transmits light.
• the transparent glass sheet according to the invention at least partially transmits solar radiation in the useful wavelength ranges for the elements intended to use the solar radiation of the device in which the sheet is intended to be integrated as substrate lid.
• the glass sheet of the invention is advantageously transparent in the wavelength range between 400 nm and 1200 nm.
• the glass sheet according to the invention preferably has an energy transmission (TE), for a thickness of 3.85 mm, of at least 89%.
• the glass sheet according to the invention has an energy transmission (TE), for a thickness of 3.85 mm, of at least 90%, and more preferably, of at least 91%.
• the glass sheet according to the invention preferably has a light transmission, measured with the illuminant D65 (TLD), according to the ISO9050 standard and for a thickness of 3.85 mm, of at least 90.5%.
• TLD illuminant D65
• the glass sheet is advantageously made of a glass with a low iron content.
• low iron glass means a glass whose composition comprises a total iron content (expressed in terms of Fe 2 O 3 ) less than 0.06% by weight relative to the total weight of the glass. Since iron is an absorbent element, this maximum value of iron content makes it possible to limit the losses due to the absorption of radiation when it passes through the glass and therefore to increase the energy transmission of the glass sheet.
• the glass sheet is made of a glass whose composition comprises a total iron content (expressed as Fe 2 O 3 ) ranging from 0.002 to 0.04% by weight relative to the total weight of the glass. .
• the glass sheet is made of a glass whose composition comprises a total iron content (expressed as Fe 2 O 3 ) ranging from 0.002 to 0.02% by weight relative to the total weight of the glass.
• a total iron content (expressed as Fe 2 O 3 ) less than or equal to 0.02% by weight makes it possible to further increase the energy transmission of the glass sheet.
• the minimum value makes it possible not to penalize too much the cost of the glass because of such low values of iron often require very pure raw materials expensive or a purification of these.
• the glass sheet is made of a glass whose composition comprises an antimony content (expressed as Sb 2 O 3 ) of 0.005 to 0.5% by weight relative to the total weight glass.
• the glass sheet is made of a glass whose composition has a redox ranging from 0.01 to 0.4.
• the degree of oxidation of a glass is given by its redox, defined as the ratio by weight of Fe 2+ atom relative to the total weight of the iron atoms present in the glass, total Fe 2+ / Fe.
• This range of redox makes it possible to obtain very satisfactory optical properties and in particular, in terms of energy transmission.
• the composition has a redox of 0.03 to 0.3.
• the composition has a redox of 0.05 to 0.25.
• the composition of the glass sheet may comprise, in addition to the impurities contained in particular in the raw materials, a small proportion of additives (such as agents which assist the melting or refining of the glass) or of elements from the dissolution of the refractories constituting the melting furnaces.
• additives such as agents which assist the melting or refining of the glass
• the glass sheet according to the invention may have various dimensions, for example greater than 1 m ⁇ 0.5 m.
• the ratio R of the maximum height h of the patterns with respect to the general plane of the glass sheet on the thickness e of the glass sheet is 0.002 R R ⁇ 0.10.
• the ratio R of the maximum height h of the patterns with respect to the general plane of the glass sheet on the thickness e of the glass sheet is 0.002 ⁇ R ⁇ 0.08.
• the thickness of the glass sheet e is defined according to the invention as illustrated in FIG. 1 (a) and (b) which represents, in perspective, a sheet according to the invention having a textured face comprising a plurality of geometric patterns in relief. It includes the height h of the patterns. Similarly, the height h of the patterns is defined according to the invention as illustrated in Figure 1 (a) and (b).
• the glass sheet according to the invention may have a thickness varying between 0.1 and 20 mm.
• the glass sheet according to the invention has a thickness ranging from 1 to 6 mm and preferably from 1.8 to 4.5 mm. .
• the general plane of a textured face is the plane containing the points of this face which do not belong to the patterns and / or, in the case of joined patterns, the junction points between the patterns.
• the raised patterns can be concave and / or convex.
• a rectilinear pattern in relief and convex relative to the general plane of a face of a glass sheet is projecting with respect to this plane and one can then speak of "ribs".
• a rectilinear pattern in relief and concave with respect to the general plane of a face of a glass sheet is recessed in the mass of the glass, below said general plane and can then be called "grooves" .
• the plurality of geometric patterns in relief, concave and / or convex relative to the general plane of said face are rectilinear and parallel extending along said face.
• rectilinear pattern is meant a pattern in the form of a straight line.
• the main axis of the rectilinear and parallel patterns may form an angle of 90 ° with two of the edges of the sheet and 0 ° with both other.
• the angles formed between the main axis of the rectilinear and parallel patterns and two of the edges of the sheet can take any value between 0 and 90 °. The angle formed between this main axis and the other two edges of the sheet is then the complementary angle of the previous.
• the individual patterns are as close as possible to one another. They are for example spaced less than 2 mm, and preferably less than 1 mm.
• the patterns are joined. This is advantageous because the texturing density is then maximized for the benefit of transmission.
• joined patterns means patterns that touch at least a portion of their surface, for example via an edge forming part of the general plane of the sheet in the case of rectilinear and parallel pattern.
• the textured face of the glass sheet is provided with texturing on only a part of its surface.
• the textured face of the glass sheet is provided with texturing on a majority of its surface.
• a majority of the surface of the textured face is meant at least 80% of the surface, or even at least 90% of the surface. This is also advantageous in terms of texturing density.
• the patterns may be different or all identical in terms of geometry and / or in terms of size.
• the patterns covering the largest area of leaf.
• FIG. 2 (a) to (h) shows schematically, in cross-sectional form of the glass sheet, several possible configurations / geometries for the patterns according to the invention, by way of example.
• the geometric patterns are prisms.
• prism we mean a polyhedron having two parallel polygonal faces whose vertices are joined 2 to 2 by edges, forming the lateral faces which are parallelograms.
• the geometric patterns are triangular prisms.
• triangular prism we mean a prism whose two parallel polygonal faces are triangles.
• FIGS. 1 (a) and (b) and 2 (a), (c), (d), (e), (g) and (h) represent a sheet according to the invention having a textured face comprising a plurality of patterns, said patterns having the shape of triangular prisms.
• the triangular prism can be truncated, without departing from the scope of the present invention.
• Such truncation consists in planing the upper edge of the triangular prism (that is to say, that which is not part of the general plane of the sheet).
• the initial triangular faces of the prism become trapezoidal.
• the angle at the apex is preferably between 60 and 120 ° for each individual pattern.
• the texturing of the glass sheet of the invention can be carried out by rolling, etching, thermoforming, etc.
• the texturing of the glass sheet of the invention is obtained by rolling the surface of a glass sheet, the glass being at a temperature at which it is possible to deform its surface, for example using a metal roller having on its surface the patterns to be created in negative.
• patterns with flat faces and sharp edges are very difficult to obtain, especially because of their small size.
• the patterns formed do not have perfect geometric shapes.
• the top of each pattern and the hollows flanking each pattern may be more or less slightly rounded, without departing from the scope of the present invention.
• the glass sheet may comprise a texturing on the opposite side to that comprising the patterns according to the invention, with identical patterns (see Figure 2 (c)) or not.
• the thickness of the glass sheet e includes the height h1 and h2 of the patterns of each of the faces.
• the glass sheet according to the invention can also be thermally quenched. In particular, it is able to withstand the heat treatment and rapid cooling necessary for thermal quenching. Conventionally, the glass sheet must first be heated a few moments above its glass transition temperature. Then, the glass sheet is cooled very quickly, for example using a powerful air blower. The cooling rate of the material is thus faster at the surface than at the core, which generates significant residual stresses. The glass surface is strongly compressed while the core is in a state of traction when the glass sheet returns to room temperature.
• the glass sheet according to the invention does not show any significant deformation after the thermal quenching treatment.
• the deformation of a tempered glass sheet also sometimes referred to as the "arrow" is conventionally measured along the two main dimensions of the glass sheet.
• the “arrow” is usually defined as the maximum length of a segment formed by the intersections of a line perpendicular to the line joining two consecutive corners of that sheet with (i) the said straight line joining the two consecutive corners and (ii) the effective surface of the glass sheet. It is considered that the sheet undergoes an acceptable deformation if the "arrows" are both less than 3 mm per meter of glass sheet.
• the glass sheet according to the invention can also be chemically reinforced.
• the chemical reinforcement can be achieved by the ionic exchange of an alkaline ion present in the initial composition of the glass with another alkaline ion, of greater ionic radius and coming from an environment outside the glass (molten salt bath, for example). This exchange on the surface of the glass generates significant compressive stresses, making it possible to considerably strengthen the glass sheet.
• the glass sheet according to the invention can also be cured.
• Curing means the mechanical reinforcement of the glass sheet by a treatment similar to that of thermal quenching, with the difference that the stresses generated are lower and in particular do not make it possible to obtain a safety glass with fine fragmentation .
• the glass sheet according to the invention may also comprise one or more layers, on the side of the textured face or on the opposite non-textured face, of a nature appropriate to the intended application / the desired property.
• the glass sheet is coated with at least one thin transparent and electrically conductive layer.
• This embodiment is advantageous for photovoltaic applications.
• the thin transparent and conductive layer is disposed on the internal face, that is to say between the glass sheet and the solar cells (this inner face is also the non-textured face).
• a transparent and conductive thin layer according to the invention may, for example, be a layer based on SnO 2 : F, SnO 2 : Sb or ITO (indium tin oxide), ZnO: Al or still ZnO: Ga.
• the glass sheet is coated with at least one antireflection (or anti-reflective) layer.
• the anti-reflective layer may be placed on the textured face and / or the non-textured face.
• This embodiment is advantageous in the case of photovoltaic applications in order to maximize the energy transmission of the glass sheet and, for example, to increase the efficiency of the solar module comprising this sheet as a substrate (or cover) covering photovoltaic cells.
• the antireflection layer is preferably disposed on the outer face, that is to say on the sun side, and therefore on the textured side.
• An antireflection layer according to the invention may, for example, be a porous silica layer with a low refractive index or it may consist of several layers (stack), in particular a stack of layers of dielectric material alternating layers at low and high indices of refraction and ending with a low refractive index layer.
• the glass sheet is coated with at least one transparent and electrically conductive thin layer on one side and at least one antireflection layer on the other side.
• the glass sheet may also comprise on the opposite side a texturing provided by a matting / chemical etching treatment, for example at the same time. acid, generating a very fine texture / roughness. It is also possible to chemically etch the textured face according to the invention in order to generate a fine texture / roughness on the surface of the patterns according to the invention. Such treatment may be advantageous because it results in an improvement of the anti-reflective property of the glass sheet.
• the glass sheet according to the invention is particularly suitable as a cover substrate for elements intended to use solar radiation, such as for example photocells.
• the invention therefore also relates to an assembly comprising:
• the element capable of using incident radiation passing through the sheet is a photoelectric cell.
• the photocell is encapsulated in a resin (e.g., EVA).
• the photocell may advantageously comprise a polycrystalline silicon substrate.
• the invention also relates to the use of the textured glass sheet according to the invention as a cover substrate for at least one element for using solar radiation.
• the glass sheet according to the invention can also be used for other applications such as acoustic screens, light diffusers, photovoltaics integrated in buildings, thin film photovoltaics, etc.
• a sheet of glass was obtained in an installation intended to continuously manufacture printed flat glass of the silico-soda-lime type.
• This installation includes a melting furnace, a laminator and a cooling gallery.
• the glass in the molten state, was cast as a ribbon from the melting furnace into the laminator where it passed between two superimposed rollers, one of which is smooth and the other is etched according to the negative of the desired patterns. .
• the glass ribbon once passed through the laminator, then marched to the cooling gallery.
• composition of the glass used is as follows:
• the printed patterns are triangular prisms.
• the glass sheet obtained has a thickness e of 4.2 mm and the height h of the patterns is 0.5 mm.
• the ratio of the height of the patterns / thickness of the glass sheet is therefore 0.12.
• the glass sheet was then quenched in a manner known per se, that is to say that it was heated a few moments above its glass transition point. It was then cooled very rapidly to room temperature. Several types of quenching parameters (heating curve, blowing) were used.
• a glass sheet according to the invention was obtained according to the same method as that used in Example 1, but with an engraved roll having different patterns.
• the composition of the glass is the same as that of Example 1.
• the printed patterns are also triangular prisms.
• the glass sheet obtained has a thickness e of 4.2 mm and the height of the patterns is 0.25 mm.
• the ratio of the height of the patterns / thickness of the glass sheet is in this case 0.06.
• the glass sheet was then quenched in the same manner as in Example 1 (two types of parameters) and then underwent the same very rapid cooling to room temperature.
• the deformation has also been evaluated by measuring the deflection / deflection along the two main dimensions of the glass sheet.
• the values summarized in the table below show that the deformation is very severely limited, and is well below the tolerance of 3 mm / m. In both cases, the fragmentation has been verified and meets the standards.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Optics & Photonics (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Organic Chemistry (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Electromagnetism (AREA)
• Computer Hardware Design (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• Power Engineering (AREA)
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• Life Sciences & Earth Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Dispersion Chemistry (AREA)
• Surface Treatment Of Glass (AREA)
• Glass Compositions (AREA)

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• 2013
  • 2013-02-27 BE BE2013/0134A patent/BE1024032B1/fr not_active IP Right Cessation
• 2014
  • 2014-02-11 CN CN201480011092.1A patent/CN105008301B/zh not_active Expired - Fee Related
  • 2014-02-11 WO PCT/EP2014/052584 patent/WO2014131610A1/fr active Application Filing
  • 2014-02-11 EP EP14704120.6A patent/EP2961713A1/fr not_active Withdrawn

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