WO2021043954A1 - Feuille de verre comprenant une zone emaillee et une sous-couche - Google Patents
Feuille de verre comprenant une zone emaillee et une sous-couche Download PDFInfo
- Publication number
- WO2021043954A1 WO2021043954A1 PCT/EP2020/074706 EP2020074706W WO2021043954A1 WO 2021043954 A1 WO2021043954 A1 WO 2021043954A1 EP 2020074706 W EP2020074706 W EP 2020074706W WO 2021043954 A1 WO2021043954 A1 WO 2021043954A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- enamel
- material according
- sublayer
- glass
- Prior art date
Links
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
- C03C17/34—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
- C03C17/3411—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
- C03C17/3417—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 all coatings being oxide 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
-
- 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
- C03C17/245—Oxides by deposition from the vapour 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
- C03C17/34—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
- C03C17/3429—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 at least one of the coatings being a non-oxide coating
- C03C17/3482—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 at least one of the coatings being a non-oxide coating comprising silicon, hydrogenated silicon or a silicide
-
- 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
-
- 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
- C03C2204/00—Glasses, glazes or enamels with special properties
- C03C2204/04—Opaque glass, glaze or enamel
-
- 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
- C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
- C03C2217/44—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the composition of the continuous phase
- C03C2217/45—Inorganic continuous phases
- C03C2217/452—Glass
-
- 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
- C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
- C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
- C03C2217/48—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase having a specific function
- C03C2217/485—Pigments
Definitions
- the invention relates to the field of glazing, in particular glazing for automobiles, such as glazing for the rear window or for the roof of a motor vehicle.
- Such glazing is often monolithic glazing, comprising a single sheet of thermally toughened glass. It can also be laminated glazing, in which two sheets of glass are adhesively bonded by means of a lamination interlayer. The latter makes it possible in particular to retain shards of glass in the event of breakage, but also provides other functionalities, in particular in terms of resistance to burglary or improvement of acoustic properties.
- Coats of enamel are often deposited on part of the glazing, generally in the form of a peripheral strip intended to conceal and protect against ultraviolet radiation the polymeric seals used for fixing and positioning the glazing in the bodywork bays.
- the enamel layers are normally placed on face 2, therefore on the side of the passenger compartment.
- the enamel layers are generally placed on face 2, therefore in contact with the lamination interlayer.
- the enamel is generally obtained by firing above 500 ° C. of a composition comprising a glass frit and pigments.
- the cooking step is generally carried out simultaneously with the bending and / or tempering of the glass sheet.
- This local embrittlement can lead to breakage of the glazing under the effect of mechanical or thermomechanical stresses, for example under the effect of an impact (gravel, hail, etc.) or sudden changes in temperature.
- the object of the invention is to obviate these drawbacks by proposing an enamelled glazing having better mechanical resistance.
- the invention relates to a material comprising a sheet of glass, one face of which comprises an enamelled zone coated with an opaque enamel layer and a non-enameled zone, a sub-layer which is not a layer. enamel layer being disposed only in at least part of the enamel zone, under said enamel layer and in contact therewith.
- a subject of the invention is also a process for obtaining such a material, comprising the deposition of an under-layer on a part of a face of a sheet of glass then the deposition of a layer of enamel. opaque in at least the area coated with the undercoat.
- a subject of the invention is a glazing, in particular a rear window, a roof or a windshield, for a motor vehicle, comprising a material according to the invention.
- the glass sheet is preferably soda-lime glass. It is advantageously obtained by floating.
- Other glass compositions are however possible, for example compositions of the borosilicate or aluminosilicate type.
- the glass sheet may be clear glass or tinted glass, preferably tinted glass, for example green, gray or blue.
- the chemical composition of the glass sheet advantageously comprises iron oxide, in a weight content ranging from 0.5 to 2.5%. It can also comprise other coloring agents, such as cobalt oxide, chromium oxide, nickel oxide, erbium oxide, or else selenium.
- the glass sheet preferably has a thickness of between 0.7 and 5 mm, in particular between 1 and 4 mm, or even between 1.5 and 3 mm.
- the glass sheet preferably has a surface area of at least 1 m 2 .
- the glass sheet can be flat or curved. It is generally flat during the stages of deposition of the sub-layer and of the enamel layer. It is then preferably convex and therefore has a convex shape in the final glazing.
- the enamelled area preferably represents between 2 and 25%, in particular between 3 and 20%, or even between 5 and 15% of the surface of the coated face.
- the enamel zone is preferably in the form of a peripheral strip.
- peripheral strip is meant a strip closed on itself which, from each point of the periphery of the glass sheet, extends towards the inside of the glass sheet over a certain width, typically between 1 and 20 cm.
- the unglazed area is usually uncoated (i.e. the glass is bare, no coated).
- it can be coated with a stack of thin layers, for example comprising a low emissivity layer, in particular based on silver or based on a transparent electrically conductive oxide (TCO) such as oxide. indium and tin or doped tin or zinc oxides.
- TCO transparent electrically conductive oxide
- the underlayer is placed only in at least part of the enamel area. It is therefore not present in the unglazed area.
- the undercoat is placed under the enamel layer and in contact with the enamel layer.
- the sublayer is in contact with the glass sheet.
- the sublayer is placed in only part of the enamel area.
- the zone coated with the sublayer represents between 1 and 90%, in particular between 2 and 60%, or even between 3 and 40%, and even between 4 and 10% of the surface of the enameled zone.
- the sub-layer is placed in the whole of the enameled area. It is then a question of avoiding embrittlement throughout the enamelled area.
- the sublayer is preferably based, or even constituted, of an oxide, a nitride or an oxynitride.
- the undercoat should not be a layer of enamel.
- the sublayer is advantageously based on silicon oxide, or even constituted or essentially constituted of silicon oxide. Being devoid of coloration, such a layer makes it possible not to affect the appearance in reflection of the enamel layer.
- the sublayer is preferably a single layer, and not a stack of layers.
- the sublayer is preferably a sol-gel layer.
- the deposition of the sub-layer is carried out by a sol-gel process.
- the sol-gel layer is preferably based or even constituted of silicon oxide.
- a sol-gel process is a process in which a sol containing precursors of the layer to be produced is deposited on the glass sheet by various means, such as spraying, curtain, laminar coating, roller, screen printing etc. .... Deposition by screen printing is preferred here since it easily allows the sublayer to be deposited only in the desired parts of the enameled area.
- the sol preferably contains organometallic precursors of the layer to be produced, for example tetraethyl orthosilicate (TEOS).
- TEOS tetraethyl orthosilicate
- the layer is then generally dried before depositing the enamel layer and then annealed in order to densify it.
- the annealing preferably takes place during the same step as the baking of the enamel, generally during the bending and / or tempering of the glass sheet.
- the deposition of the sublayer can be carried out by PVD or CVD (chemical vapor deposition) methods, for example by cathodic sputtering, or alternatively by plasma-assisted chemical vapor deposition (PECVD) optionally under atmospheric pressure (APPECVD). It is then possible to have masks in order to deposit the undercoat only in the parts of the enameled area where it will be useful.
- PVD chemical vapor deposition
- the thickness of the sublayer is preferably between 10 nm and 1 ⁇ m.
- the thickness of the sublayer is preferably between 20 nm and 200 nm, in particular between 30 nm and 100 nm.
- the thickness of the sublayer is preferably between 50 nm and 800 nm, in particular between 100 nm and 300 nm.
- the thickness of the undercoat in the final material after firing the enamel.
- the material claimed also covers the intermediate material before firing the enamel.
- the thickness of the sublayer can be greater, in particular between 500 nm and 3 ⁇ m.
- melt layer is understood to mean both the layer before baking and after baking.
- the enamel layer Before firing, the enamel layer comprises a glass frit, pigments and an organic medium. After firing, the enamel layer comprises pigments and a vitreous matrix obtained by melting the glass frit.
- the glass frit and / or the vitreous matrix is preferably made of a zinc borosilicate and / or bismuth glass.
- At least one, including each, pigment is preferably based on an oxide, or a sulphide, of iron, chromium, copper, cobalt and / or manganese.
- the enamel layer is preferably obtained by screen printing a fluid enamel composition comprising a glass frit, pigments and an organic medium.
- the enamel composition is deposited, in particular using a doctor blade, on the glass sheet through the meshes of a screen printing screen.
- the meshes of the screen are sealed in the part corresponding to the areas of the sheet of glass that one does not want to cover, so that the enamel composition can only pass through the screen in the areas to be coated. print, according to a predefined pattern.
- Other deposition techniques such as digital printing techniques are also possible.
- the enamel Before firing, the enamel preferably has a thickness of between 10 and 30 ⁇ m, in particular between 15 and 25 ⁇ m. After baking, the thickness of the enamel layer is preferably between 5 and 15 ⁇ m, in particular between 7 and 13 ⁇ m.
- the enamel is preferably black, and advantageously has a colorimetric coordinate L * in reflection on the enamel side of less than 5, in particular 3.
- the method according to the invention preferably comprises a step of baking the enamel layer, generally during the toughening and / or bending of the glass sheet. Where appropriate, this step also serves to densify the sol-gel sub-layer. This step uses temperatures preferably ranging from 550 to 720 ° C.
- the glazing according to the invention can comprise a single sheet of glass, generally thermally toughened.
- the glazing may be a laminated glazing, in which the sheet of glass of the material according to the invention is adhesively bonded to another sheet of glass by means of a lamination interlayer, for example by polyvinylbutyral. The glass sheets are then not thermally toughened.
- the glazing according to the invention can be a rear window of a motor vehicle.
- the enamel layer may be surmounted, in a part of the enameled zone, by electrically conductive tracks, in particular in the form of silver paste. These tracks are in particular collector strips intended to supply electrically heating wires also in silver paste.
- a metal connector is soldered to at least one collector strip, in an area called the “solder area”, using a lead-free alloy.
- the sublayer is preferably placed in line with the weld zone, and in particular only in line with this zone. It turns out that the embrittlement due to the enamel mentioned in the introduction of this text is particularly crucial in this context because it can lead to the breakage of the glazing during aging tests called TCT test and comprising 60 cycles of variations. temperatures between -40 and + 105 ° C at a voltage of 14 V.
- the material therefore comprises above the enamel layer a collecting strip of silver paste in a so-called welding zone in which the collecting strip is intended to be welded, or is welded, to a metal connector, and the sublayer is placed in line with this weld zone, in particular only at the right of this weld zone.
- the silver paste comprises silver particles and a glass frit and is generally deposited by screen printing.
- the metal connector is in particular made of steel containing chromium.
- the solder alloy is in particular based on tin, silver and copper.
- the glazing is preferably a rear window.
- the glazing then generally comprises a single sheet of thermally toughened glass. Alternatively, it may be a laminated glazing, the glass sheet not being thermally toughened but being adhesively bonded to another glass sheet.
- the glazing according to the invention can also be a motor vehicle roof.
- the glazing then preferably comprises a single sheet of thermally toughened glass.
- the sub-layer is preferably placed in the whole of the enameled area in order to prevent breakage of the roof due to impacts, for example stones or hailstones.
- the glazing according to the invention can also be a windshield.
- the sub-layer is preferably placed in the whole of the enameled zone in order to improve the resistance of the windshield to chipping.
- the glazing is preferably a laminated glazing, the glass sheet not being thermally toughened. The enamel layer is then generally located on face 2, therefore in contact with the lamination interlayer.
- a silica sub-layer 70 nm thick was deposited by cathodic sputtering on a sheet of clear soda-lime glass 3.85 mm thick marketed by the Applicant under the reference Planiclear.
- a layer of black enamel (Ferro 14501) of 25 mpi wet thickness was then deposited by screen printing on the undercoat.
- the thus coated glass sheet was then tempered after heat treatment at 650 ° C for 180 seconds.
- FIG. 1 represents the results of the tests in the form of a graph indicating the probability of failure (noted P) as a function of the stress (noted C) in MPa.
- Example 2 differs from Example 1 in that the nature of the sublayer was a sol-gel silica layer.
- the deposition of the sub-layer was carried out by centrifugation (spin-coating) under the following conditions: 3 mL of sol and speed of 1000 revolutions per minute.
- the undercoat was then dried for 10 minutes at 180 ° C. before the enamel deposition.
- the starting sol comprised 18 g of methyltriethoxysilane, 15 g of isopropanol and 5 g of water acidified to pH 2.
- the sol was diluted to 66% in water to pH 2 after hydrolysis at room temperature.
- FIG. 2 represents the results of the tests in the form of a graph indicating the probability of failure (noted P) as a function of the stress (noted C) in MPa.
- P probability of failure
- C stress
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
- Joining Of Glass To Other Materials (AREA)
- Glass Compositions (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/636,654 US20220298061A1 (en) | 2019-09-04 | 2020-09-04 | Glass sheet comprising an enameled zone and an underlayer |
CN202080004501.0A CN112789252A (zh) | 2019-09-04 | 2020-09-04 | 包含搪瓷化区和底层的玻璃片材 |
JP2022514459A JP2022547855A (ja) | 2019-09-04 | 2020-09-04 | エナメル被覆領域と下地層とを含むガラスシート |
BR112022002153A BR112022002153A2 (pt) | 2019-09-04 | 2020-09-04 | Folha de vidro que compreende uma zona esmaltada e uma subcamada |
KR1020227005836A KR20220059474A (ko) | 2019-09-04 | 2020-09-04 | 에나멜 구역과 하부층을 포함하는 유리 시트 |
EP20764132.5A EP4025543A1 (fr) | 2019-09-04 | 2020-09-04 | Feuille de verre comprenant une zone emaillee et une sous-couche |
MX2022002680A MX2022002680A (es) | 2019-09-04 | 2020-09-04 | Hoja de vidrio que comprende una zona esmaltada y una capa inferior. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR1909708 | 2019-09-04 | ||
FR1909708A FR3100244B1 (fr) | 2019-09-04 | 2019-09-04 | Feuille de verre comprenant une zone émaillée et une sous-couche |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021043954A1 true WO2021043954A1 (fr) | 2021-03-11 |
Family
ID=68987914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2020/074706 WO2021043954A1 (fr) | 2019-09-04 | 2020-09-04 | Feuille de verre comprenant une zone emaillee et une sous-couche |
Country Status (9)
Country | Link |
---|---|
US (1) | US20220298061A1 (fr) |
EP (1) | EP4025543A1 (fr) |
JP (1) | JP2022547855A (fr) |
KR (1) | KR20220059474A (fr) |
CN (1) | CN112789252A (fr) |
BR (1) | BR112022002153A2 (fr) |
FR (1) | FR3100244B1 (fr) |
MX (1) | MX2022002680A (fr) |
WO (1) | WO2021043954A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3140624A1 (fr) * | 2022-10-11 | 2024-04-12 | Saint-Gobain Glass France | Feuille de verre comprenant une zone émaillée |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1942686A (en) * | 1932-01-19 | 1934-01-09 | Liberty Mirror Works | Mirror and process of making it |
EP0098220A1 (fr) * | 1982-06-25 | 1984-01-11 | Emaux De Briare | Procédé de revêtement d'or ou de platine sur des objets, en particulier des objets en céramique ou en verre, et objets ainsi obtenus |
US4827274A (en) * | 1986-12-06 | 1989-05-02 | Flachglas Aktiengesellschaft | Motor vehicle window pane |
EP0807611A1 (fr) * | 1996-05-14 | 1997-11-19 | Flachglas Aktiengesellschaft | Unité de verre, en particulier unité de verre traitée |
WO2015101744A1 (fr) * | 2013-12-31 | 2015-07-09 | Saint-Gobain Glass France | Vitrage lumineux avec isolateur optique et sa fabrication |
WO2018220325A1 (fr) | 2017-05-31 | 2018-12-06 | Saint-Gobain Glass France | Substrat en verre teinte resistant mecaniquement et revetu d'une peinture minerale pour toit automobile |
WO2019106264A1 (fr) * | 2017-11-30 | 2019-06-06 | Saint-Gobain Glass France | Feuille de verre revetue d'un empilement de couches minces et d'une couche d'email. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2907112B1 (fr) * | 2006-10-16 | 2009-10-02 | Eurokera S N C Sa | Plaque vitroceramique et son procede de fabrication |
FR3019173B1 (fr) * | 2014-03-28 | 2016-03-25 | Saint Gobain | Vitrage muni d'un empilement de couches minces pour la protection solaire |
FR3051716B1 (fr) * | 2016-05-31 | 2020-09-25 | Saint Gobain | Vitrage feuillete a couche fonctionnelle demargee |
-
2019
- 2019-09-04 FR FR1909708A patent/FR3100244B1/fr active Active
-
2020
- 2020-09-04 JP JP2022514459A patent/JP2022547855A/ja active Pending
- 2020-09-04 KR KR1020227005836A patent/KR20220059474A/ko unknown
- 2020-09-04 US US17/636,654 patent/US20220298061A1/en active Pending
- 2020-09-04 MX MX2022002680A patent/MX2022002680A/es unknown
- 2020-09-04 WO PCT/EP2020/074706 patent/WO2021043954A1/fr unknown
- 2020-09-04 BR BR112022002153A patent/BR112022002153A2/pt not_active Application Discontinuation
- 2020-09-04 CN CN202080004501.0A patent/CN112789252A/zh active Pending
- 2020-09-04 EP EP20764132.5A patent/EP4025543A1/fr active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1942686A (en) * | 1932-01-19 | 1934-01-09 | Liberty Mirror Works | Mirror and process of making it |
EP0098220A1 (fr) * | 1982-06-25 | 1984-01-11 | Emaux De Briare | Procédé de revêtement d'or ou de platine sur des objets, en particulier des objets en céramique ou en verre, et objets ainsi obtenus |
US4827274A (en) * | 1986-12-06 | 1989-05-02 | Flachglas Aktiengesellschaft | Motor vehicle window pane |
EP0807611A1 (fr) * | 1996-05-14 | 1997-11-19 | Flachglas Aktiengesellschaft | Unité de verre, en particulier unité de verre traitée |
WO2015101744A1 (fr) * | 2013-12-31 | 2015-07-09 | Saint-Gobain Glass France | Vitrage lumineux avec isolateur optique et sa fabrication |
WO2018220325A1 (fr) | 2017-05-31 | 2018-12-06 | Saint-Gobain Glass France | Substrat en verre teinte resistant mecaniquement et revetu d'une peinture minerale pour toit automobile |
WO2019106264A1 (fr) * | 2017-11-30 | 2019-06-06 | Saint-Gobain Glass France | Feuille de verre revetue d'un empilement de couches minces et d'une couche d'email. |
Also Published As
Publication number | Publication date |
---|---|
JP2022547855A (ja) | 2022-11-16 |
FR3100244B1 (fr) | 2023-10-27 |
FR3100244A1 (fr) | 2021-03-05 |
EP4025543A1 (fr) | 2022-07-13 |
MX2022002680A (es) | 2022-04-07 |
BR112022002153A2 (pt) | 2022-04-19 |
KR20220059474A (ko) | 2022-05-10 |
US20220298061A1 (en) | 2022-09-22 |
CN112789252A (zh) | 2021-05-11 |
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