Eurokera S.n.c.

Saint-gobain Technical Fabrics Europe

Saint Gobain Isover

Ocv Intellectual Capital, LLC

Saint-gobain Adfors

Eurokera

Saint-gobain Vetrotex France S.a.

Emmanuel Lecomte

Pablo Vilato

Marie Jacqueline Monique Comte

Anne Berthereau

Sophie Creux

Kamila Plevacova

Rene Gy

René Gy

Caroline Faillat

Gaelle Ferriz

Yannick Lefrere

Cécile Jousseaume

Christopher Ellison

Cécile Ozanam

Thibault Guedon

Edouard Brunet

Marie-Helene Rouillon

Stephanie Pelletier

Erwann Luais

Daniele Costantini

Jean-Luc Dabouineau

Richard Di Caro

Eric Dallies

Mathilde Laurent

Gaëlle Ferriz

Simonpietro Di Pierro

Jean-Patrick Cochard

Nicolas Renaud

Nicolas Aulagnon

Bertrand Baret

Stéphanie Pelletier

Isabelle MELSCOËT-Chauvel

Marie-Hélène Rouillon

A method of manufacturing a lithium aluminosilicate glass product suitable for making a glass-ceramic product, includes melting a vitrifiable mixture of raw materials, which are free from arsenic oxides and antimony oxides, apart from unavoidable traces, refining the molten material, cooling the molten material so as to form a glass, forming of the glass, wherein the vitrifiable mixture of raw materials includes petalite having a fraction by weight of total iron, expressed as FeO, less than or equal to 200 ppm.

Method of manufacturing a lithium aluminosilicate glass product for a glass-ceramic product

Glass fibers have a chemical composition that includes the following constituents, in a weight content that varies within the limits defined below: SiO50-70%, AlO0-5%, CaO+MgO 0-7%, NaO 5-15%, KO 0-10%, BaO 2-10%, SrO 2-10%, ZnO &#x3c;2%, and BO5-15%.

Glass fibers

An induction cooking device including at least one inductor positioned under a thermally strengthened glass plate, the composition of which glass is not of lithium aluminosilicate type, characterized in that the glass has the following characteristics:

Induction cooking device

The present invention relates to a glass-ceramic article at least partly coated with at least one layer of an enamel formed from a glass frit having the following composition, the proportions being expressed as weight percentages: 

Glass-ceramic article and enamel suitable for the coating thereof

A glass-ceramic article is at least partly coated with at least one layer of enamel, including a glass frit. The frit includes, expressed by weight, SiO, 45-60%; AlO, 12-22%; BO, 12-22%; LiO, 0-5%; NaO, 0-2%; KO, &#x3e;2%; CaO, 0-4%; MgO, 0-4%; ZnO, 0-4%; BaO, 0-4%; ZrO, 0-4%; and TiO, 0-1%. The sum of oxides CaO+MgO+BaO+SrO+ZnO is at most 10%, preferably from 2 to 8%. A process can be used to obtain the article.

Glass-ceramic article and enamel for the coating thereof

The subject matter of the invention is a reinforced glass plate for an induction cooking device, the chemical composition of which comprises the following colorants, in a content which varies within the weight limits defined hereinafter: FeO(total iron): 0.8% to 1.8%, CoO: 0.02% to 0.06%, Se: 0 to 0.005%, CrO: 0 to 0.1%. The invention is also directed towards an induction cooking device comprising at least one inductor placed under such a glass plate.

Glass plate for induction cooking device

A transparent, colorless and non-scattering glass-ceramic plate of lithium aluminosilicate type and containing crystals of &#x3b2;-quartz structure, the chemical composition of which does not contain oxides of arsenic, of antimony and of neodymium, and includes the following constituents within the limits defined below, expressed as weight percentages: SiO55-75%; AlO12-25%; LiO 2-5%; NaO+KO 0-&#x3c;2%; LiO+NaO+KO 0-&#x3c;7%; CaO 0.3-5%; MgO 0-5%; SrO 0-5%; BaO 0.5-10%; CaO+BaO &#x3e;1%; ZnO 0-5%; TiO&#x2264;1.9%; ZrO&#x2264;3%; TiO+ZrO&#x3e;3.80%; SnO&#x2265;0.1%; SnO/(SnO+ZrO+TiO)&#x3c;0.1.

Vitroceramic plate

The present invention relates to a vitroceramic article intended in particular to cover or receive heating elements, said article being provided with at least one luminous zone, in particular for display, comprising at least one luminous pattern, said article comprising at least one vitroceramic substrate, at least one light source, and at least one enamel coating which covers at least a part of said zone and within which an uncovered region is formed in the shape of said pattern, the composition of said enamel comprising at least one glass frit and at least one pigment, the glass frit comprising the following constituents: the rate of pigment or pigments being from 40 to 65% by weight of the frit/pigment mixture, the article furthermore comprising a diffusing zone facing the enamel coating.

Vitroceramic article with luminous display

The present invention relates to a glass composition which is resistant to alkalis and to acids, in particular for the preparation of reinforcing glass strands, which comprises the following constituents within the limits defined below, as percentages by weight: 

Alkali-and acid-resistant glass composition for the manufacture of glass strands

The subject of the invention is a mineral wool, the glass fibers of which have a chemical composition substantially free of boron oxide and comprising the following constituents in the limits defined below, expressed in percentages by weight: 60 to 75 SiO; 0 to 4 AlO; 17 to 22 NaO; 5 to 15 CaO; 0 to 2 FeO; and 0 to 3 PO.

Compositions for mineral wool

The invention relates to glass strands especially for the production of composites having an organic and/or inorganic matrix, the composition of which strands comprises the following constituents in the limits defined below, expressed as percentages by weight: These strands are made of a glass offering an excellent compromise between its mechanical properties, represented by the specific Young's modulus, and its melting and fiberizing conditions.

Glass strands and composites having an organic and/or inorganic matrix containing said strands

The invention relates to a glass strand, the chemical composition of which is substantially free of boron oxide and comprises the following constituents, in the limits defined below expressed as percentages by weight: It also relates to composites comprising such strands.

Glass yarns capable of reinforcing organic and/or inorganic materials

The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 59 to 63% SiO; 10 to 16% AlO; 16 to 23% CaO; 1 to 3.2% MgO; 0 to 2% NaO+KO+LiO; 0 to 1% TiO; 0.1 to 1.8% BO; 0 to 0.5% LiO; 0 to 0.4% ZnO; 0 to 1% MnO; and 0 to 0.5% F. These strands have improved properties in terms of mechanical strength, acid resistance and high-temperature resistance for a low-cost composition. The invention also relates to a process for producing the said strands and to the composition allowing them to be produced.

Glass yarn for reinforcing organic and/or inorganic materials

The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 58 to 63% SiO; 10 to 16% AlO; 16 to 23% CaO; 0.5 to 3.5% MgO; 0 to 2% NaO+KO+LiO; 1 to 1.5% TiO; 0 to 1.5% BO; 0 to 0.4% LiO; 0 to 0.4% ZnO; 0 to 1% MnO; and 0 to 0.5% F. These strands have improved properties in terms of mechanical strength, acid resistance and high-temperature resistance for a low-cost composition. The invention also relates to a process for producing the said strands and to the composition allowing them to be produced.

Glass reinforcement strand, the composition of which comprises the following constituents, within the limits defined below, expressed as percentages by weight: The dielectric properties of such glass compositions are particularly advantageous in the MHz and GHz ranges.

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Nesles la Montagne, France

Emmanuel Lecomte