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
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
  • C03C17/23—Oxides
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B82—NANOTECHNOLOGY
  • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
  • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
• • 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
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
  • C03C17/23—Oxides
  • C03C17/25—Oxides by deposition from the liquid phase
• • 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
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
  • C03C17/23—Oxides
  • C03C17/25—Oxides by deposition from the liquid phase
  • C03C17/256—Coating containing TiO2
• • 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
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
• • 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
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
  • C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
• • 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
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
  • C03C17/42—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating of an organic material and at least one non-metal coating
• • 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
  • C03C2217/00—Coatings on glass
  • C03C2217/20—Materials for coating a single layer on glass
  • C03C2217/21—Oxides
  • C03C2217/212—TiO2
• • 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
  • C03C2217/00—Coatings on glass
  • C03C2217/40—Coatings comprising at least one inhomogeneous layer
  • C03C2217/42—Coatings comprising at least one inhomogeneous layer consisting of particles only
• • 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
  • C03C2217/00—Coatings on glass
  • C03C2217/70—Properties of coatings
  • C03C2217/72—Decorative coatings
• • 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
  • C03C2218/00—Methods for coating glass
  • C03C2218/10—Deposition methods
  • C03C2218/11—Deposition methods from solutions or suspensions
  • C03C2218/113—Deposition methods from solutions or suspensions by sol-gel processes
• • 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
  • C03C2218/00—Methods for coating glass
  • C03C2218/10—Deposition methods
  • C03C2218/11—Deposition methods from solutions or suspensions
  • C03C2218/119—Deposition methods from solutions or suspensions by printing

Definitions

• the present invention relates to a glass-ceramic plate intended in particular to cover or receive heating elements, in particular intended to serve as a hob, and its manufacturing process.
• a glass-ceramic plate must generally have a transmission in the wavelengths of the visible range that is low enough to mask at least a part of the heating elements underlying the rest and sufficiently high that, for safety purposes, the user can visually detect the heating elements in working order; it must also have a high transmission in the wavelengths of the infrared range.
• the current main plates are dark in color, especially black, but there are also lighter-looking plates (especially white, presenting for example a blur of at least 50% as described in patent FR2766816), or transparent plates with opacifying coatings.
• lighter-looking plates especially white, presenting for example a blur of at least 50% as described in patent FR2766816)
• transparent plates with opacifying coatings are commonly found.
• Enamels have the advantage of being able to be deposited on the precursor glass (or mother glass or green-glass) before ceramization and to be cooked during ceramization, and also have the advantage of being able to withstand high temperatures (allowing the use of different heating means for the plate); However, they have the disadvantage of allowing only a single deposit (no enamel overlay possible) and low thickness under penalty including flaking and damaging the ceramic hob. As for painting, it can be applied in several layers (if necessary); however, it must be applied after ceramisation (and therefore requires additional cooking) and remains limited to the plates for induction heaters (operating at lower temperature).
• ceramic plates have also been proposed with coatings based on reflective layers deposited by magnetron cathode sputtering, or based on vitrifiable mixtures incorporating effect pigments (oxide-coated aluminum oxide or mica flakes). metallic), thus making it possible to create contrasting zones (in particular glossy areas contrasting with duller areas) of aesthetic and / or technical character; however, coatings based on magnetron-deposited reflective layers are more expensive, their manufacture is more complex (or delicate in the case of formation of patterns requiring complicated masking operations) and is carried out in recovery after ceramisation, these coatings not being moreover generally used only with induction heating elements and not being generally adapted to the use of touch-sensitive control elements; As for coatings based on vitrifiable mixture with effect pigments, in addition to a reflective effect generally mitigated by ceramization, they have the same disadvantages as enamels already mentioned.
• the object of the present invention has been to obtain plates having a functional and aesthetic appearance, in particular and preferably a contrasting appearance due to the presence of reflecting zones, in a simpler and / or advantageous manner than previously mentioned, in particular with a coating that does not have the above disadvantages.
• the new plate according to the invention is a glass-ceramic plate, intended for example to cover or receive at least one heating element, in particular intended to serve as a cooking plate, said plate being at least partly coated with at least one layer nanometric based on a metallic material of refractive index greater than that of the glass-ceramic.
• ceramic glass plate is meant subsequently not only the plates made of glass ceramic proper but also the plates of any other similar material resistant to high temperature and having a coefficient of expansion of zero or almost zero (for example less than 15.10 7 K "1). preferably, however, it is a glass-ceramic plate itself.
• Nanometric layer means a layer whose thickness does not exceed 100 nm, preferably 50 nm (for comparison the thickness of an enamel layer is generally 2.5 to 5 microns after baking and the The thickness of a magnetron layer is generally greater than 100 nm
• the particles of the metallic material forming the layer initially have (before agglomeration) a nanometric size, in particular have a mean diameter of less than 100 nm (with at least 90% of said particles generally having a diameter of less than 100 nm), and preferably less than 50 nm.
• layer based on a metallic material it is meant that the layer is formed in the majority (at least 50%, advantageously at least 95% and generally of the order of 100%, by weight) of said material, said layer being generally and advantageously constituted of said material (100% by weight).
• a metal element titanium, tin, zirconium, aluminum, iron, etc.
• metal oxides metal oxides
• metal sulfides metal nitrides (or oxynitrides)
• the refractive index of the glass-ceramic is of the order of 1.54, the layer defined nanometer defined according to the invention is preferably formed (or based) aluminum oxide Al 2 O 3 (refractive index n of the order of 1.77) and / or tin dioxide SnO 2 (index of refraction n of the order of 1.85) and / or zirconium dioxide ZrO 2 (refractive index n of the order of 2) and / or titanium dioxide TiO 2 (refractive index n of the order of 2 to 2.2), and / or iron oxide Fe 2 O 3 (refractive index n of the order of 2.9 to 3.2), and, particularly preferably, is formed (or based) of titanium dioxide or iron oxide Fe 2 O 3 .
• the previously defined layer generally covers at least a portion of a face of the plate, as detailed later, and may advantageously cover all of said face.
• the present invention also relates to the composition applied to the plate to obtain the previously defined layer, this composition comprising at least the aforementioned metallic material and / or one or more precursors of said material.
• the applied composition comprises at least one organic material allowing the particles of the aforementioned metallic material to stick to the plate and / or is applied together (successive deposition) with another composition comprising said organic material.
• the composition applied may also comprise an organic medium, in particular allowing the adjustment of its viscosity for depositing on the plate.
• the organic material allowing the attachment of the particles of metallic material is generally in polymeric form, and can integrate said metallic material (for example organometallic compounds, then constituting precursors of said metallic material) or can simply form a binder of said particles, this organic material being in all cases removed (in particular burned) later during cooking to give the defined layer according to the invention (the medium optionally present in the composition being generally previously removed by drying as detailed later).
• said metallic material for example organometallic compounds, then constituting precursors of said metallic material
• a binder of said particles this organic material being in all cases removed (in particular burned) later during cooking to give the defined layer according to the invention (the medium optionally present in the composition being generally previously removed by drying as detailed later).
• the particles of metallic material may come from precursor (s) (silicates, sulphates, phosphates, borates, selenates, nitrates, carbonates, titanates, organometallic etc) releasing the particles during the baking of the layer) and / or may have been previously formed according to various known methods (prior to their addition to the composition applied to the plate).
• precursor s
• the composition deposited on the plate may also comprise one or more adhesion promoters (such as silanes), one or more agents for adjusting the viscosity and allowing it to be deposited on the plate, etc.
• This composition is in the form of a solution (or a sol-gel), stable, of liquid to pasty consistency (in particular is in the form of a screen-printing paste for the purpose of deposition by screen printing).
• the layer obtained and defined according to the invention may optionally comprise, in addition to the metallic material, one or more compounds formed, if appropriate, by the precursors of said material (for example traces of carbon), etc.
• the present invention also relates to a method of manufacturing the plate according to the invention, wherein the preceding composition is applied, preferably by screen printing, to the precursor glass plate before ceramisation, said composition being fired during the ceramization cycle.
• the manufacture of the glass-ceramic plates generally takes place as follows: in a melting furnace, the glass of the chosen composition is melted to form the glass-ceramic, and then the molten glass is rolled into a standard ribbon or sheet by passing the glass melted between rolling rolls and cut the glass ribbon to the desired dimensions.
• the plates thus cut are then ceramized in a manner known per se, the ceramization of baking the plates according to the thermal profile chosen to transform the glass into the polycrystalline material called "glass-ceramic" whose expansion coefficient is zero or almost zero and which is resistant to thermal shock up to 700 ° C.
• the ceramization generally comprises a step of gradual raising of the temperature to the nucleation range, generally located in the vicinity of the glass transformation area, a step of crossing into several minutes of the nucleation interval, a further gradual rise in temperature to the temperature of the ceramic bearing, the maintenance of the ceramic bearing temperature for several minutes and then rapid cooling to room temperature.
• the method also comprises a cutting operation (generally before ceramization), for example by water jet, mechanical tracing with the wheel, etc. followed by a shaping operation (grinding, beveling, ).
• the composition described above is deposited on the plate, in paste form, by screen printing, the thickness of the wet film being for example of the order of 5 to 20 microns.
• the coated precursor glass plate is dried (for example by infra-red or in an oven), generally at temperatures of the order of 100-150 ° C., so as to evaporate the solvent (medium) , fix the coating and allow the handling of the plate, resulting in a dried coating then having a thickness generally of the order of 1 to 5 microns, then undergoes a traditional ceramization cycle at high temperature (as mentioned above), cooking the layer accompanying the transformation of the substrate, the resulting nanoscale layer generally having a thickness of the order of 10 to 100 nm, in particular of the order of 20 to 50 nm.
• the nanometric layer obtained (for example a nanometric layer of titanium dioxide as preferred according to the invention) has a reflective appearance greater than that of the bare glass ceramic (for example an increase in reflection in the visible range of 5 to 50 points compared to the bare glass ceramic). Contrary to what might be feared, the possible interactions between the glass-ceramic and the nanometric layer defined according to the invention do not cause disturbance or modification of the glass-ceramic surface (embrittlement, tension, change of crystalline state , modification of the thermal cycle or thermal endurance, etc.).
• the deposited composition does not differ from a conventional enamel and is fully compatible with existing production lines, in particular it can be applied by screen printing using the usual canvases and presses and does not require either additional heat treatment; however, it does not present the defects of an enamel (no weakening of the face decorated, no worries of thickness control, no risk of tearing, etc.) -
• it is more economical, and can be used with sensitive keys, being advantageously electrically insulating.
• It is also compatible with all types of heating (in particular, it supports high temperatures - up to 700 0 C- radiant heating elements, is suitable for magnetic fields of induction coils, etc.), unlike magnetron layers and paintings reserved for certain types of heating. It can also be deposited in any area of the plate (including heating zones) unlike in particular paints.
• the layer obtained has good resistance to aging and thermal shock, good strength properties (improved compared to enamels), good resistance to abrasion and stains, etc. in accordance with the desired properties for ceramic hobs. It also has the same resistance to chemical attack or soiling as traditional plates.
• the plates according to the invention also meet the requirements in terms of optical properties, safety, etc. If necessary, the presence of crystalline phase (s), in particular of the anatase type, is observed when the nanometric layer is based on TiO 2 (the anatase may optionally be the single crystalline phase of said layer ), in the layer obtained.
• the plate according to the invention is based on an opaque glass ceramic (such as the plates marketed under the name Kérablack by Eurokera) coated with the layer defined according to the invention. It is observed in this case that the plate has in places coated a highly metallized mirror appearance, much brighter than in the case of conventional enamels or in the case of enamels with interference effects.
• an opaque glass ceramic such as the plates marketed under the name Kérablack by Eurokera
• the plate constitutes an advantageous alternative (for reasons already evoked) to transparent or translucent plates coated with magnetron layers, the effect obtained, in particular in combination with an opacifying paint pass (especially black) being metallized or shiny and if necessary nacreous.
• the layer defined according to the invention may be intended in particular to mask, at least in part, the elements underlying the rest (such as heating elements and possible displays), while allowing the detection of possible heating elements and displays when they are in use.
• the layer defined according to the invention may be the only coating of the plate or may be combined with other layers as previously mentioned.
• it can be used with at least one layer of opacifying paint (preferred mode for transparent glass ceramics and embodiment allowing an even more brilliant effect in the case of a translucent or black glass ceramic), this layer of paint being of preferably on the underside of the plate (in use position).
• the paint layer (s) combined, if appropriate, with the nanometric layer according to the invention are advantageously chosen so as to withstand high temperatures and to exhibit stability in their color and cohesion with the plate, and not to affect the mechanical properties of the plate. They advantageously have a degradation temperature greater than 350 ° C., are generally based on resin (s) (such as a silicone resin, in particular modified by the incorporation of at least one alkyd resin, polyimide resin).
• polyamide, polyfluorinated and / or polysiloxane such as Dow Corning® 804, 805, 806, 808, 840, 249, 409 HS and 418 HS resins, Rhodorsil® 6405 and 6406 from Rhodia, Triplus® from General Electric Silicone and SILRES® 604 from Wacker Chemie GmbH, etc.), and are optionally loaded (for example with pigment (s) or dye (s)), and possibly diluted to adjust their viscosity, the diluent being optionally removed during their subsequent firing .
• Dow Corning® 804, 805, 806, 808, 840, 249, 409 HS and 418 HS resins Rhodorsil® 6405 and 6406 from Rhodia, Triplus® from General Electric Silicone and SILRES® 604 from Wacker Chemie GmbH, etc.
• each layer of paint can be between 1 and 100 microns (in particular between 5 and 50 microns) and its application can be carried out by any suitable technique, such as brush deposition, squeegee, by spraying, electrostatic deposition, dipping, curtain deposition, deposit by silkscreen, etc. Preferably according to the invention, it is done by screen printing, followed if necessary by drying.
• the layer defined according to the invention can also be combined with at least one enamel layer.
• enamel superimposed on the layer according to the invention does not flake, unlike the overlay two layers of enamel that is not feasible.
• the enamel may be chosen from all the enamels conventionally used for coating glass-ceramics and generally comprises at least one glass frit and pigments, as well as a medium allowing its application, and is generally and preferably according to the invention applied by serigraphy.
• the nanometric layer defined according to the invention can thus be used as an underlayer to another layer, such as an enamel or paint layer, allowing in particular according to the invention. the cases of increasing the thicknesses, of juxtaposing two types of decorations, of providing a brilliant shining effect, etc.
• the layer defined according to the invention may be deposited on the upper or lower face of the plate.
• the other layer (s) used, if necessary, in combination with the nanometric layer may be applied on the same face (on or under the nanometric layer) or on the opposite face of the plate.
• the nanometric layer When the nanometric layer is used as an underlayer, it may for example be applied as a first layer in one or more zones where there are possibly provided or practiced one or more savings or reserves (left for example by the screen-printing technique), and said spares and / or the first layer may be coated with at least a second layer to form contrasting areas or stronger effects.
• the deposition of the layer according to the invention is, as defined according to the invention, preferentially carried out before ceramization but may, if necessary, be carried out after and / or by another method than screen printing.
• the plates according to the invention thus allow the creation of new decorations and aesthetic effects (contrasting effects, pearlescent, etc.), in combination, if necessary, with the other (traditional) coatings of the glass-ceramics, the decorations being able to be fine or not, regular (mesh, etc.) or not, discontinuous or continuous, etc. and being made in a simple manner and having no detrimental effects on the properties usually sought.
• the plate according to the invention can optionally be provided with (or associated with) functional element (s) or additional decoration (s) (frame, connector (s), cable (s), element (s) ), display (s), for example so-called “7-segment” LEDs, electronic control panel with sensitive keys and digital display, etc.).
• the plate according to the invention can be mounted on the insulating support, inside which are arranged the heating element or elements without intermediate complex to hide the inside of the device in view of the user.
• the invention also relates to appliances (or devices) for cooking and / or maintaining high temperature comprising at least one plate according to the invention (eg stoves, and built-in hobs).
• the invention encompasses both single-plate cooking appliances and multi-plate appliances, each of which is single-fired or multi-fired.
• fire is meant a cooking location.
• the invention also relates to mixed cooking appliances whose cooking plate (s) comprise several types of fires.
• the invention is not limited to the manufacture of cooking plates for stoves or hobs.
• the plates manufactured in accordance with the invention may also be other plates (chimney inserts, firebreaks, etc.) which must have a high insensitivity to temperature variations.
• the following example illustrates the present invention without limiting its scope.
• a black opaque glass-ceramic plate whose two faces are smooth, is manufactured from a glass having, for example, the composition described in the patent application FR2657079.
• This glass is melted around 1600-1750 0 C, in an amount such that a glass ribbon can be laminated, ribbon in which glass plates, for example final dimensions 56.5 cm x 56.5 cm x 0.4 cm, are cut.
• the plates are screen-printed on their upper surface with a composition, in the form of a screen-printing stable gel, based on an organometallic titanium compound (such as titanium tetraisopropanolate), precursor of titanium dioxide, a binder organic and a dilution medium based on ether and glycol acetate, using usual polyester webs, at locations indicating for example the fireplaces, displays and decorative areas.
• organometallic titanium compound such as titanium tetraisopropanolate
• precursor of titanium dioxide a binder organic
• a dilution medium based on ether and glycol acetate
• the plates are then dried at around 100-150 ° C., the thickness of the layer after drying being, for example, 2 ⁇ m, and then ceramized on ceramic trays according to a cycle as described in the patent application FR2657079.
• Placemats are obtained with a pleasant and original aesthetic appearance, this plate having an opaque matt black bottom area hiding the underlying structural elements of the cooking device, and comprising patterns of glossy appearance (for example rather silver mirror aspect) constituted by the nanometric layer of titanium dioxide obtained (possibly containing impurities provided by the heat treatment) also hiding the elements underlying the rest while allowing to see when they are in working order.
• patterns of glossy appearance for example rather silver mirror aspect
• the nanometric layer of titanium dioxide obtained possibly containing impurities provided by the heat treatment
• the plates according to the invention can in particular be used with advantages to achieve a new range of cooking plates for stoves or hobs.

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• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Life Sciences & Earth Sciences (AREA)
• Organic Chemistry (AREA)
• Crystallography & Structural Chemistry (AREA)
• Nanotechnology (AREA)
• Manufacturing & Machinery (AREA)
• Surface Treatment Of Glass (AREA)
• Induction Heating Cooking Devices (AREA)
• Electric Stoves And Ranges (AREA)

Priority Applications (6)

Applications Claiming Priority (2)

Publications (2)

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• 2006
  • 2006-10-16 FR FR0654285A patent/FR2907112B1/fr not_active Expired - Fee Related
• 2007
  • 2007-10-15 KR KR1020097007594A patent/KR101485885B1/ko active Active
  • 2007-10-15 CN CN2007800384387A patent/CN101547872B/zh active Active
  • 2007-10-15 ES ES07858579T patent/ES2901882T3/es active Active
  • 2007-10-15 US US12/445,585 patent/US9302934B2/en active Active
  • 2007-10-15 WO PCT/FR2007/052152 patent/WO2008047034A2/fr not_active Ceased
  • 2007-10-15 JP JP2009532859A patent/JP2010507062A/ja active Pending
  • 2007-10-15 EP EP07858579.1A patent/EP2086899B1/fr active Active
• 2013
  • 2013-12-17 JP JP2013260402A patent/JP5934173B2/ja active Active

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