Patents Assigned to Saint-Gobain Recherche
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Patent number: 7786033Abstract: A substrate includes a fibrous material in the form of mineral wool of insulation type and/or glass fibers of reinforcement type, and a coating provided over at least a portion of a surface of the fibrous material, the coating having photocatalytic properties and including at least partially crystallized semiconductor material which has photocatalytic properties and which is of the oxide or sulphide type, and a bonding agent configured to adhere fibers of the fibrous material to each other, the bonding agent including an adhesion promoting agent configured to promote the adhesion of the coating to the fibrous material. The bonding agent is selected from one of an adhesive agent for mineral wool, a sizing agent for reinforcing threads, a bonding agent for a mat or web obtained from reinforcement threads, and an adhesive agent for a web obtained from glass wool.Type: GrantFiled: May 12, 2006Date of Patent: August 31, 2010Assignee: Saint-Gobain RechercheInventors: Christian Marzolin, Arnaud Marchal, Xavier Talpaert
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Publication number: 20100101278Abstract: The invention relates to an installation and a method of producing a glass having a low boron content, containing alumina or zirconia, the melting of the batch materials being carried out in an end-fired furnace equipped with regenerators, most of the fossil energy being introduced by the U-flame, the oxidant and fuel for which are introduced at the upstream face of said furnace, the oxidant being air or oxygen-enriched air. The melting compartment may be followed by a unit for fiberizing the glass. The invention makes it possible to produce fibers with an excellent combustion efficiency and high productivity.Type: ApplicationFiled: December 13, 2007Publication date: April 29, 2010Applicant: SAINT-GOBAIN RECHERCHEInventor: Didier Jacques
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Publication number: 20080053308Abstract: A gas guiding device including a conduit configured to pass a gas, and a substrate on the conduit, the substrate including, a fibrous material, and a coating provided at least (i) over a portion of a surface of the fibrous material or (ii) within a volume of the fibrous material, the coating being configured to have photocatalytic properties and having at least a partially crystallized semiconducting material which has photocatalytic properties and which is of the oxide or sulphide type.Type: ApplicationFiled: October 29, 2007Publication date: March 6, 2008Applicant: SAINT-GOBAIN RECHERCHEInventors: Christian Marzolin, Arnaud Marchal, Xavier Talpaert
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Patent number: 7309664Abstract: A substrate, its process of manufacture, and its applications. The substrate includes a fibrous material which is provided, over at least a portion of its surface and/or within its thickness, with a coating with photocatalytic properties including a semi-conducting material with photocatalytic properties of the oxide or sulphide type.Type: GrantFiled: June 10, 1999Date of Patent: December 18, 2007Assignee: Saint-Gobain RechercheInventors: Christian Marzolin, Arnaud Marchal, Xavier Talpaert
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Publication number: 20060257668Abstract: A fire-resistant glazing assembly has at least two laminated panes between which a transparent layer made of a hydrated alkali polysilicate is placed. The hydrated alkali polysilicate contains no organic antifreeze agent. Thus, on the one hand, better resistance of the interlayer to clouding due to UV radiation and, on the other hand, greater rigidity of the interlayer compound as well as good adhesion of the panes to the interlayer in a fire are obtained.Type: ApplicationFiled: July 27, 2006Publication date: November 16, 2006Applicant: SAINT-GOBAIN RECHERCHEInventors: Simon Frommelt, Udo Gelderie
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Publication number: 20060234849Abstract: A glass composition of the soda-lime-silicate type is described which includes, by weight, the following coloring agents: 0.2-0.45% of Fe2O3 (total iron), 2-8 ppm of Se, 0-20 ppm of CoO, and 0-80 ppm of NiO. The coloring agents satisfy the relationship, 0.7<(200×NiO)+(5000×Se)+(6×Fe3+)/(875×CoO)+(24×Fe2+)<1.6 in which the NiO, Se, Fe3+, CoO and Fe2+ contents are expressed in ppm, Fe3+ and Fe2+ are the content of ferric iron expressed in the form of Fe2O3 and FeO, respectively. The composition has a redox from 0.28 to 0.5, an overall light transmission under illuminant A (TLA) greater than 65% and a selectivity (SE) of greater than 1.25, when measured for a thickness of 3.85 mm. A window formed from at least one glass sheet produced from the aforementioned composition is also described.Type: ApplicationFiled: March 19, 2003Publication date: October 19, 2006Applicant: Saint-Gobain RechercheInventors: Laurent Teyssedre, Dominique Sachot
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Publication number: 20060205304Abstract: A substrate includes a fibrous material in the form of mineral wool of insulation type and/or glass fibers of reinforcement type, and a coating provided over at least a portion of a surface of the fibrous material, the coating having photocatalytic properties and including at least partially crystallized semiconductor material which has photocatalytic properties and which is of the oxide or sulphide type, and a bonding agent configured to adhere fibers of the fibrous material to each other, the bonding agent including an adhesion promoting agent configured to promote the adhesion of the coating to the fibrous material. The bonding agent is selected from one of an adhesive agent for mineral wool, a sizing agent for reinforcing threads, a bonding agent for a mat or web obtained from reinforcement threads, and an adhesive agent for a web obtained from glass wool.Type: ApplicationFiled: May 12, 2006Publication date: September 14, 2006Applicant: SAINT-GOBAIN RECHERCHEInventors: Christian Marzolin, Arnaud Marchal, Xavier Talpaert
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Publication number: 20020153743Abstract: In a window (1), which is intended in particular to be fitted in a bodywork opening (11) of a vehicle, which is equipped on at least a main surface, intended to face inwards in the fitted state, with a profiled bead (2) which comprises, as lateral covering attachment, a lip (5) projecting beyond the edge of the pane (1) with a sealing rib (7) which can be applied against an adjacent wall part (13) when the window is fitted, there is provided on the lip (5), according to the invention, parallel to the first sealing rib (6) which can be applied against the wall part (13), at least one second sealing rib (7) which can be applied against the edge (21) of the window without adhesion contact.Type: ApplicationFiled: January 7, 2002Publication date: October 24, 2002Applicant: Saint Gobain RechercheInventors: Gerd Cornils, Florian Fischer, Frank Bihn, Ulrich Behrend
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Patent number: 6332640Abstract: In a window (1), which is intended in particular to be fitted in a bodywork opening (11) of a vehicle, which is equipped on at least a main surface, intended to face inwards in the fitted state, with a profiled bead (2) which comprises, as lateral covering attachment, a lip (5) projecting beyond the edge of the pane (1) with a sealing rib (7) which can be applied against an adjacent wall part (13) when the window is fitted, there is provided on the lip (5), according to the invention, parallel to the first sealing rib (6) which can be applied against the wall part (13), at least one second sealing rib (7) which can be applied against the edge (21) of the window without adhesion contact. In this way, a covering of the lateral space is obtained effecting in practice a closure flush with the main surface of the pane and with the adjacent wall or bodywork surface.Type: GrantFiled: December 12, 2000Date of Patent: December 25, 2001Assignee: Saint-Gobain RechercheInventors: Gerd Cornils, Florian Fischer, Frank Bihn, Ulrick Behrend
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Patent number: 6254660Abstract: The invention relates to a Cr2O3-forming alloy that is resistant to oxidization and/or corrosion at high temperature, especially by glass, characterized in that it contains, in dispersion within its matrix, chromium oxide Cr2O3, or a precursor of this oxide. This alloy can be prepared by powder metallurgy using a process of hot consolidation of metallic powders, in particular by sintering. The alloy is especially suitable for articles which are to be used in a high-temperature oxidizing or corrosive environment.Type: GrantFiled: November 25, 1998Date of Patent: July 3, 2001Assignee: Saint-Gobain RechercheInventors: Jean-Luc Bernard, Michel Bousquet, Olivier Kessler, Pierre Steinmetz
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Patent number: 6103363Abstract: The subject of the invention is a glass-, ceramic- or vitroceramic-based substrate (1) provided on at least part of at least one of its faces with a coating (3) with a photocatalytic property containing at least partially crystalline titanium oxide. It also relates to the applications of such a substrate and to its method of preparation.Type: GrantFiled: May 28, 1998Date of Patent: August 15, 2000Assignee: Saint-Gobain RechercheInventors: Philippe Boire, Xavier Talpaert
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Patent number: 5889608Abstract: This invention relates to an electrically controllable solar building pane composed of two panels spaced apart by a layer of an intermediate gas, the panel facing towards the outside of the building being constituted of a variable transmission system of the electrochromic type comprising two transparent substrates composed, notably, of glass sheets, joined together by an ion-conducting organic polymer and coated on the jointing face with transparent electrically conducting films and films of anodic and cathodic electrochromic materials.Type: GrantFiled: June 12, 1997Date of Patent: March 30, 1999Assignee: Saint-Gobain RechercheInventors: Bernard Buffat, Francis Defendini, Christian Padoy, Jean-Pierre Beaufays, Jean-Marie Labbe
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Patent number: 5657149Abstract: This invention relates to an electrically controllable solar building pane composed of two panels spaced apart by a layer of an intermediate gas, the panel facing towards the outside of the building being constituted of a variable transmission system of the electrochromic type comprising two transparent substrates composed, notably, of glass sheets, joined together by an ion-conducting organic polymer and coated on the jointing face with transparent electrically conducting films and films of anodic and cathodic electrochromic materials.Type: GrantFiled: May 20, 1993Date of Patent: August 12, 1997Assignee: Saint-Gobain RechercheInventors: Bernard Buffat, Francis Defendini, Christian Padoy, Jean-Pierre Beaufays, Jean-Marie Labbe
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Patent number: 5420082Abstract: The invention provides a process which makes it possible to regulate the degree of oxidation-reduction of a glass during its production. According to the invention, which relates to glasses intended to be transformed into continuous or staple fibers containing at most about 1% by weight of Fe.sub.2 O.sub.3, the degree of oxidation of the glass is obtained by incorporating in the mixture of vitrifiable products at least two oxidizing agents, one of them being an inorganic nitrate, the other being, according to preference, an oxidized compound of manganese in which the oxidation state of the manganese is greater than 2, potassium dichromate and/or ceric oxide. The invention particularly favors the recycling of waste from products with a glass fiber base in the vitrifiable mixture.Type: GrantFiled: July 15, 1994Date of Patent: May 30, 1995Assignee: Saint-Gobain RechercheInventors: Stephane Maugendre, Bernard Dubois
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Patent number: 5398452Abstract: A metal retaining or fixing member (6) is fixed to a laminated glazing (1) with the aid of a screwed assembly. The two glass sheets (2,3) forming the laminated glazing (1) are provided with holes (15,16) before being assembled with the thermoplastic interlayer (4), in such a way that following the manufacture of the laminated glazing, they are eccentric with respect to one another. Prior to the screwing down of the assembly, the empty space separating the parts (9,18) of said assembly located within the holes 15,16) and the walls thereof is filled with curable adhesive (20).Type: GrantFiled: April 7, 1994Date of Patent: March 21, 1995Assignee: Saint-Gobain Vitrage International c/o Saint-Gobain RechercheInventors: Heinz Schilde, Friendrich Triebs, Franz Kramling
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Patent number: 5395439Abstract: A bituminous mixture, comprising from 0.5 to 20% by weight mineral wool in admixture with bitumen, the fibers of said mineral wool prior to any chemical or mechanical treatment, being equal to at most 7 per 5 grams, and said fibers being treated with a non-ionic finish.Type: GrantFiled: December 9, 1992Date of Patent: March 7, 1995Assignee: Saint Gobain RechercheInventors: Gerard Basin, Patrick Le Breton
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Patent number: 5288527Abstract: A method for preparing silicon nitride films with improved properties and characterized by a limited concentration of hydrogen atoms, a high index of refraction, resistance to attack by a hydrofluoric solution, prevention of diffusion of alkalines and oxygen, and good dielectric properties such as optical gap. The process of preparation uses plasma CVD with ammonia. The invention can be applicable to flat screens, TFT transistors and functional glazings.Type: GrantFiled: November 21, 1991Date of Patent: February 22, 1994Assignee: Saint Gobain Vitrage International c/o Saint Gobain RechercheInventors: Didier Jousse, Pablo Vilato, Jean-Claude Bruyere, Brigette Reynes
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Patent number: 5269941Abstract: Effluent containing inks undergoes flocculation by the action of a flocculating agent, followed by the continuous centrifuging of the effluent consisting of an acceleration between 1,000 and 20,000 g, while avoiding an air-liquid interface during centrifuging.Type: GrantFiled: July 8, 1992Date of Patent: December 14, 1993Assignee: La Cellulose du Pin c/o Saint-Gobain RechercheInventors: Etienne Chavel, Pierre Langlade, Jean-Claude Pommier
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Patent number: 5231531Abstract: An electrochromatic glazing system is provided. The system comprises a first glass sheet covered with a first transparent electrically conductive film and a second glass sheet covered with a second transparent electrically conductive film. A film of electrochromatic material, an electrolyte, and a counterelectrode are interposed between the first and second transparent electrically conductive films. The first and second electrically conductive films are connected to a voltage generator by an electrical control circuit and the voltage generator receives a set-point value from a control unit equipped with a memory and generates a potential difference as a function of the temperature of the electrolyte.Type: GrantFiled: September 13, 1991Date of Patent: July 27, 1993Assignee: Saint-Gobain RechercheInventors: Francis Defendini, Francois Lerbet
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Patent number: 5206089Abstract: The product consists of a glass substrate and a layer of transparent conductive material comprised primarily of mixed oxide of indium and zinc containing 10-34 at. % indium obtained by surface pyrolysis of powder of organic compounds of zinc and indium.Type: GrantFiled: May 16, 1991Date of Patent: April 27, 1993Assignee: Saint-Gobain Vitrage International c/o Saint-Gobain RechercheInventors: Pablo Vilato, Dominique Bruneel, Bertrand Testulat, Jean-Francois Oudard, Jean-Michel Grimal