Patents by Inventor Anne Berthereau
Anne Berthereau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9932263Abstract: The present invention relates to a chemically resistant glass composition for the production of reinforcing strands which comprises the following constituents within the limits defined below, expressed in mol %: SiO2 67-72%; ZrO2 5-9.5%, preferably ?7.5%; R2O (R?Na, K and Li) 11-17%; Li2O 0-5.5%; K2O 0-5.5%; Na2O<10%; and CaO 3-9%, the composition furthermore containing less 1% of impurities (Al2O3, Fe2O3, Cr2O3, TiO2, MgO, SrO, BaO and P2O5) and being free of F. It also relates to the glass strands obtained from this composition and to the composites based on an organic or inorganic material containing such strands.Type: GrantFiled: August 22, 2013Date of Patent: April 3, 2018Assignee: OCV Intellectual Capital, LLCInventors: Anne Berthereau, Jerome Lalande
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Patent number: 9790122Abstract: 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: SiO2 ?58%, preferably ?65% ZrO2 15-20% R2O (R = Na, K or Li) ?14% K2O ?0.1%, preferably ?0.05%, RO (R = Mg, Ca or Sr) 2.5-6% MgO ?4% TiO2 >1 and ?4% the composition additionally being devoid of F, comprising less than 1% of impurities (Al2O3, Fe2O3 and Cr2O3) and satisfying the following relationships: ZrO2+TiO2?17% ZrO2/TiO2?6 It also relates to the use of the glass strands obtained in the reinforcing of inorganic materials, for example cementitious materials, or organic materials, for example plastics, and to the composites including such strands.Type: GrantFiled: October 23, 2006Date of Patent: October 17, 2017Assignee: OCV Intellectual Capital, LLCInventors: Emmanuel Lecomte, Eric Dallies, Anne Berthereau
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Publication number: 20160176753Abstract: The invention relates to glass reinforcement strands whose composition comprises the following constituents in the limits defined below, expressed as percentages by weight: SiO2 50-65% Al2O3 12-20% CaO 12-17% MgO ?6-12% CaO/MgO ?2, preferably ?1.3 Li2O 0.1-0.8%, preferably ?0.6% BaO + SrO 0-3% B2O3 0-3% TiO2 0-3% Na2O + K2O <2% F2 0-1% Fe2O3 ?<1%. 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.Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Inventors: Emmanuel Lecomte, Anne Berthereau
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Publication number: 20160176754Abstract: The invention relates to glass reinforcement strands whose composition comprises the following constituents in the limits defined below, expressed as percentages by weight: SiO2 50-65% Al2O3 12-20% CaO 12-17% MgO ?6-12% CaO/MgO ?2, preferably ?1.3 Li2O 0.1-0.8%, preferably ?0.6% BaO + SrO 0-3% B2O3 0-3% TiO2 0-3% Na2O + K2O <2% F2 0-1% Fe2O3 ?<1%. 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.Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Inventors: Emmanuel Lecomte, Anne Berthereau
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Patent number: 9212086Abstract: The present invention relates to a chemically resistant glass composition for the production of reinforcing strands which comprises the following constituents within the limits defined below, expressed in mol %: SiO2 67-72%; ZrO2 5-9.5%, preferably ?7.5%; R2O (R=Na, K and Li) 11-17%; Li2O 0-5.5%; K2O 0-5.5%; Na2O<10%; and CaO 3-9%, the composition furthermore containing less 1% of impurities (Al2O3, Fe2O3, Cr2O3, TiO2, MgO, SrO, BaO and P2O5) and being free of F. It also relates to the glass strands obtained from this composition and to the composites based on an organic or inorganic material containing such strands.Type: GrantFiled: October 25, 2007Date of Patent: December 15, 2015Assignee: Owens Corning Intellectual Capital, LLCInventors: Anne Berthereau, Jerome Lalande
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Patent number: 8987154Abstract: An R-glass composition including SiO2 in an amount from 59.0 to 64.5% by weight, Al2O3 in an amount from 14.5 to 20.5% by weight, CaO in an amount from 11.0 to 16.0% by weight, MgO in an amount from 5.5 to 11.5% by weight, Na2O in N an amount from 0.0 to 4.0% by weight, TiO2 in an amount from 0.0 to 2.0% by weight, Fe2O3 in an amount from 0.0 to 1.0% by weight, B2O3 in an amount from 0.0 to about 3.0% by weight, K2O, Fe2O3, ZrO2, and Fluorine, each of which is present in an amount from 0.0 to about 1.0% by weight, and SrO and ZnO, each of which is present in an amount from 0.0 to about 2.0% by weight. In exemplary embodiments, the glass composition does not contain lithium or boron.Type: GrantFiled: August 4, 2010Date of Patent: March 24, 2015Assignee: OCV Intellectual Capital, LLCInventors: Douglas Hofmann, Peter McGinnis, John Wingert, Anne Berthereau
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Publication number: 20130333594Abstract: The present invention relates to a chemically resistant glass composition for the production of reinforcing strands which comprises the following constituents within the limits defined below, expressed in mol %: SiO2 67-72%; ZrO2 5-9.5%, preferably ?7.5%; R2O (R?Na, K and Li) 11-17%; Li2O 0-5.5%; K2O 0-5.5%; Na2O<10%; and CaO 3-9%, the composition furthermore containing less 1% of impurities (Al2O3, Fe2O3, Cr2O3, TiO2, MgO, SrO, BaO and P2O5) and being free of F. It also relates to the glass strands obtained from this composition and to the composites based on an organic or inorganic material containing such strands.Type: ApplicationFiled: August 22, 2013Publication date: December 19, 2013Applicant: OCV Intellectual Capital, LLCInventors: Anne Berthereau, Jerome Lalande
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Patent number: 8535438Abstract: The present invention relates to a chemically resistant glass composition for the production of reinforcing strands which comprises the following constituents within the limits defined below, expressed in mol %: SiO2 67-72%; ZrO2 5-9.5%, preferably ?7.5%; R2O (R=Na, K and Li) 11-17%; Li2O 0-5.5%; K2O 0-5.5%; Na2O<10%; and CaO 3-9%, the composition furthermore containing less 1% of impurities (Al2O3, Fe2O3, Cr2O3, TiO2, MgO, SrO, BaO and P2O5) and being free of F. It also relates to the glass strands obtained from this composition and to the composites based on an organic or inorganic material containing such strands.Type: GrantFiled: October 25, 2007Date of Patent: September 17, 2013Assignee: OCV Intellectual Capital, LLCInventors: Anne Berthereau, Jerome Lalande
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Patent number: 8367571Abstract: The invention relates to reinforcing glass strands, the composition of which comprises the following constituents within the limits defined below expressed as percentages by weight: SiO2 62-72% Al2O3 ?2-10% CaO ?7-20% MgO 1-7% Na2O + K2O + Li2O ??10-14.5% Li2O 0-2% BaO + SrO + ZnO 0-4% B2O3 0-4% F2 0-2% As2O3 ??0-0.15% These strands are composed of a low-cost glass offering an excellent compromise between the mechanical properties represented by the tensile strength and the fiberizing conditions. The invention also relates to the composites based on organic and/or inorganic material(s) and the aforementioned glass strands.Type: GrantFiled: October 30, 2008Date of Patent: February 5, 2013Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Anne Berthereau, Emmanuelle Picard, Jerome Lalande
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Patent number: 8318620Abstract: The invention relates to a glass yarn capable of being obtained by a method consisting of mechanically drawing molten glass threads flowing from orifices disposed at the base of a die, of which the chemical composition is substantially free from boron oxide and comprises the following constituents within the limits defined hereinafter expressed in percentages by weight: SiO2 40 to 50 Al2O3 18 to 28 CaO 4 to 15 MgO 0 to 6 Na2O 10 to 14 Na2O + K2O + Li2O 13 to 20 It also relates to composites containing such yarns.Type: GrantFiled: June 25, 2008Date of Patent: November 27, 2012Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Anne Berthereau, Jerome Lalande
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Patent number: 8298973Abstract: A glass thread adapted for reinforcing polymeric materials includes a plurality of filaments having a chemical composition that includes the following constituents within the limits defined below in weight percent: SiO2 40 to 60 Al2O3 0 to 5 CaO 1 to 15 MgO 1 to 15 BaO 2 to 15 SrO 12 to 20 ZnO 0.5 to 10 Na2O + K2O + Li2O 0 to 5 TiO2 3 to 20 Prosthetic members including such threads are also described.Type: GrantFiled: August 28, 2008Date of Patent: October 30, 2012Assignee: Societe de Recherches Techniques Dentaires—R.T.D.Inventors: Anne Berthereau, Jerome Blaizot
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Publication number: 20120135849Abstract: An R-glass composition including SiO2 in an amount from 59.0 to 64.5% by weight, Al2O3 in an amount from 14.5 to 20.5% by weight, CaO in an amount from 11.0 to 16.0% by weight, MgO in an amount from 5.5 to 11.5% by weight, Na2O in N an amount from 0.0 to 4.0% by weight, TiO2 in an amount from 0.0 to 2.0% by weight, Fe2O3 in an amount from 0.0 to 1.0% by weight, B2O3 in an amount from 0.0 to about 3.0% by weight, K2O, Fe2O3, ZrO2, and Fluorine, each of which is present in an amount from 0.0 to about 1.0% by weight, and SrO and ZnO, each of which is present in an amount from 0.0 to about 2.0% by weight. In exemplary embodiments, the glass composition does not contain lithium or boron.Type: ApplicationFiled: August 4, 2010Publication date: May 31, 2012Applicant: OCV-Intellectual Capital, LLCInventors: Douglas Hoffman, Peter McGinnis, John Wingert, Anne Berthereau
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Patent number: 8173560Abstract: 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: SiO2 55 to 65 Al2O3 ?9 to 16 CaO 15 to 26 MgO 1 to 5 BaO + SrO 0.5 to 5?? Na2O + K2O + Li2 O 0 to 2 TiO2 0 to 1 ZnO 0 to 2 ZrO2 0 to 2. It also relates to composites comprising such strands.Type: GrantFiled: December 19, 2007Date of Patent: May 8, 2012Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Anne Berthereau, Emmanuel Lecomte
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Publication number: 20110045440Abstract: A glass thread adapted for reinforcing polymeric materials includes a plurality of filaments having a chemical composition that includes the following constituents within the limits defined below in weight percent: SiO2 40 to 60 Al2O3 0 to 5 CaO 1 to 15 MgO 1 to 15 BaO 2 to 15 SrO 12 to 20 ZnO 0.5 to 10 Na2O + K2O + Li2O 0 to 5 TiO2 3 to 20 Prosthetic members including such threads are also described.Type: ApplicationFiled: August 28, 2008Publication date: February 24, 2011Applicant: Societe de Recherches Techniques Dentaires- R.T.D.Inventors: Anne Berthereau, Jerome Blaizot
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Patent number: 7811954Abstract: 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% SiO2; 10 to 16% Al2O3; 16 to 23% CaO; 1 to 3.2% MgO; 0 to 2% Na2O+K2O+Li2O; 0 to 1% TiO2; 0.1 to 1.8% B2O3; 0 to 0.5% Li2O; 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.Type: GrantFiled: March 14, 2005Date of Patent: October 12, 2010Assignee: Saint-Gobain Technical fabrics EuropeInventors: Anne Berthereau, Emmanuel Lecomte, Sophie Creux
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Publication number: 20100248928Abstract: The invention relates to reinforcing glass strands, the composition of which comprises the following constituents within the limits defined below expressed as percentages by weight: SiO2 62-72% Al2O3 ?2-10% CaO ?7-20% MgO 1-7% Na2O + K2O + Li2O ??10-14.5% Li2O 0-2% BaO + SrO + ZnO 0-4% B2O3 0-4% F2 0-2% As2O3 ??0-0.15% These strands are composed of a low-cost glass offering an excellent compromise between the mechanical properties represented by the tensile strength and the fiberizing conditions. The invention also relates to the composites based on organic and/or inorganic material(s) and the aforementioned glass strands.Type: ApplicationFiled: October 30, 2008Publication date: September 30, 2010Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Anne Berthereau, Emmanuelle Picard, Jerome Lalande
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Patent number: 7781355Abstract: 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% SiO2; 10 to 16% Al2O3; 16 to 23% CaO; 0.5 to 3.5% MgO; 0 to 2% Na2O+K2O+Li2O; 1 to 1.5% TiO2; 0 to 1.5% B2O3; 0 to 0.4% Li2O; 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.Type: GrantFiled: March 14, 2005Date of Patent: August 24, 2010Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Anne Berthereau, Emmanuel Lecomte, Sophie Creux
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Publication number: 20100184345Abstract: The invention relates to reinforcing glass yarns of which the composition comprises the following components within the limits defined below expressed in weight percent: SiO2 62-72% Al2O3 4-11% CaO 8-22% MgO 1-7% Na2O + K2O + Li2O 0-9% BaO + SrO 0-4% B2O3 0-4% F2 0-2% Other components: TiO2 + ZrO2 + 0-4% Fe2O3 (total iron) + P2O5 + MnO + Cr2O3 + MoO3 + ZnO + SO3 These yarns consist of an economical glass offering an excellent comprise between its mechanical properties represented by the specific Young's modulus and its drawing conditions. The invention also relates to the glass composition suitable for manufacturing said glass yarns, the basic structures of such yarns, in particular meshes, fabrics and mats, and the composites incorporating such yarns.Type: ApplicationFiled: May 15, 2008Publication date: July 22, 2010Applicant: Saint-Gobain Technical Fabrics EuropeInventors: Jerome Lalande, Anne Berthereau
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Publication number: 20100184581Abstract: The invention relates to a glass yarn capable of being obtained by a method consisting of mechanically drawing molten glass threads flowing from orifices disposed at the base of a die, of which the chemical composition is substantially free from boron oxide and comprises the following constituents within the limits defined hereinafter expressed in percentages by weight: SiO2 40 to 50 Al2O3 18 to 28 CaO 4 to 15 MgO 0 to 6 Na2O 10 to 14 Na2O + K2O + Li2O 13 to 20 It also relates to composites containing such yarns.Type: ApplicationFiled: June 25, 2008Publication date: July 22, 2010Applicant: Saint-Gobain Technical Fabrics EuropeInventors: Anne Berthereau, Jerome Lalande
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Publication number: 20100152333Abstract: The present invention relates to a chemically resistant glass composition for the production of reinforcing strands which comprises the following constituents within the limits defined below, expressed in mol %: SiO2 67-72%; ZrO2 5-9.5%, preferably ?7.5%; R2O (R=Na, K and Li) 11-17%; Li2O 0-5.5%; K2O 0-5.5%; Na2O<10%; and CaO 3-9%, the composition furthermore containing less 1% of impurities (Al2O3, Fe2O3, Cr2O3, TiO2, MgO, SrO, BaO and P2O5) and being free of F. It also relates to the glass strands obtained from this composition and to the composites based on an organic or inorganic material containing such strands.Type: ApplicationFiled: October 25, 2007Publication date: June 17, 2010Inventors: Anne Berthereau, Jerome Lalande