Patents by Inventor Helene Chopinet
Helene Chopinet 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: 9822031Abstract: Enamel composition, in particular intended for covering a glass pane of a fireplace insert, comprising at least one glass frit, at least one pigment in a content varying from 40 to 65% of the total weight of the enamel, preferably from 45 to 60%, and optionally at least one vehicle or medium, characterized in that the glass frit comprises the following constituents, within the limits defined below, limits included, expressed as percentages by weight of the total weight of the frit: SiO2 45-65%? Al2O3 0-13% B2O3 23-55%? Na2O 0-10% K2O 0-10% Li2O ?0-10%.Type: GrantFiled: December 13, 2010Date of Patent: November 21, 2017Assignee: EUROKERA S.N.C.Inventors: Marie-Helene Chopinet, Maike Hillers, Caroline Faillat, Pablo Vilato
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Patent number: 9135695Abstract: A method (100) that generates attenuation correction maps for the reconstruction of PET data using MR images, such as, MR ultra-fast TE (UTE) images, Dixon MR images, as well as MR images obtained using other MR imaging methods.Type: GrantFiled: December 18, 2012Date of Patent: September 15, 2015Assignee: Siemens AktiengesellschaftInventors: Francisco Pereira, Helene Chopinet, James G. Reisman, Christophe Chefd'hotel
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Patent number: 8986841Abstract: A process for reinforcing a glass-ceramic article, into which a maximum tension is introduced beneath the surface of the glass-ceramic, advantageously in proximity to said surface. The invention also relates to an enamel that can be used for this reinforcement, this enamel being formed from a glass frit having the following composition, the proportions being expressed as weight percentages: SiO2 50-66% MgO 3-8% Na2O ?7-15% K2O 0-3% Li2O ?0-12% CaO ?0-10% BaO ?0-15% Al2O3 0-3% ZrO2 0-3% ZnO 0-5% B2O3 0-8% the sum of the alkaline-earth metal oxides CaO+BaO moreover being between 8 and 15%, and the sum of the alkali metal oxides Na2O+K2O+Li2O moreover being between 7 and 20%. The reinforced glass-ceramics obtained by the process.Type: GrantFiled: January 10, 2014Date of Patent: March 24, 2015Assignee: Eurokera S.N.C.Inventors: Stephanie Pelletier, Marie-Helene Chopinet, Caroline Faillat, Marie-Helene Rouillon, Pablo Vilato
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Publication number: 20140193627Abstract: The present invention relates to a process for reinforcing a glass-ceramic article, into which a maximum tension is introduced beneath the surface of the glass-ceramic, advantageously in proximity to said surface. The invention also relates to an enamel that can be used for this reinforcement, this enamel being formed from a glass frit having the following composition, the proportions being expressed as weight percentages: SiO2 50-66% MgO 3-8% Na2O ?7-15% K2O 0-3% Li2O ?0-12% CaO ?0-10% BaO ?0-15% Al2O3 0-3% ZrO2 0-3% ZnO 0-5% B2O3 0-8% the sum of the alkaline-earth metal oxides CaO+BaO moreover being between 8 and 15%, and the sum of the alkali metal oxides Na2O+K2O+Li2O moreover being between 7 and 20%. The invention also relates to the reinforced glass-ceramics obtained.Type: ApplicationFiled: January 10, 2014Publication date: July 10, 2014Applicant: Eurokera S.N.C.Inventors: Stephanie Pelletier, Marie-Helene Chopinet, Caroline Faillat, Marie-Helene Rouillon, Pablo Vilato
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Patent number: 8765619Abstract: A glass-ceramic plate of lithium aluminosilicate free of arsenic and antimony, the optical transmission of which, for a thickness of 4 mm, is between 0.2 and 4% for at least one wavelength between 400 and 500 nm.Type: GrantFiled: May 28, 2010Date of Patent: July 1, 2014Assignee: Eurokera S.N.C.Inventors: Edouard Brunet, Marie Helene Chopinet
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Patent number: 8673461Abstract: A process for reinforcing a glass-ceramic article, into which a maximum tension is introduced beneath the surface of the glass-ceramic, advantageously in proximity to said surface. The invention also relates to an enamel that can be used for this reinforcement, this enamel being formed from a glass frit having the following composition, the proportions being expressed as weight percentages: SiO2 50-66%? MgO 3-8% Na2O 7-15%? K2O 0-3% Li2O 0-12%? CaO 0-10%? BaO 0-15%? Al2O3 0-3% ZrO2 0-3% ZnO 0-5% B2O3 0-8% the sum of the alkaline-earth metal oxides CaO+BaO moreover being between 8 and 15%, and the sum of the alkali metal oxides Na2O+K2O+Li2O moreover being between 7 and 20%. The reinforced glass-ceramics obtained by the process.Type: GrantFiled: January 16, 2009Date of Patent: March 18, 2014Assignee: Eurokera S.N.C.Inventors: Stephanie Pelletier, Marie-Helene Chopinet, Caroline Faillat, Marie-Helene Rouillon, Pablo Vilato
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Publication number: 20130266198Abstract: A method (100) that generates attenuation correction maps for the reconstruction of PET data using MR images, such as, MR ultra-fast TE (UTE) images, Dixon MR images, as well as MR images obtained using other MR imaging methods.Type: ApplicationFiled: December 18, 2012Publication date: October 10, 2013Applicant: SIEMENS CORPORATIONInventors: Francisco Pereira, Helene Chopinet, James G. Reisman, Christophe Chefd'hotel
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Publication number: 20120263957Abstract: Enamel composition, in particular intended for covering a glass pane of a fireplace insert, comprising at least one glass frit, at least one pigment in a content varying from 40 to 65% of the total weight of the enamel, preferably from 45 to 60%, and optionally at least one vehicle or medium, characterized in that the glass frit comprises the following constituents, within the limits defined below, limits included, expressed as percentages by weight of the total weight of the frit: SiO2 45-65%? Al2O3 0-13% B2O3 23-55%? Na2O 0-10% K2O 0-10% Li2O ?0-10%.Type: ApplicationFiled: December 13, 2010Publication date: October 18, 2012Applicant: EUROKERA S.N.C.Inventors: Marie-Helene Chopinet, Maike Hillers, Caroline Faillat, Pablo Vilato
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Publication number: 20120085336Abstract: A glass-ceramic plate of lithium aluminosilicate free of arsenic and antimony, the optical transmission of which, for a thickness of 4 mm, is between 0.2 and 4% for at least one wavelength between 400 and 500 nm.Type: ApplicationFiled: May 28, 2010Publication date: April 12, 2012Applicant: Eurokera S.N.C.Inventors: Edouard Brunet, Marie Helene Chopinet
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Publication number: 20100273631Abstract: The present invention relates to a process for reinforcing a glass-ceramic article, into which a maximum tension is introduced beneath the surface of the glass-ceramic, advantageously in proximity to said surface. The invention also relates to an enamel that can be used for this reinforcement, this enamel being formed from a glass frit having the following composition, the proportions being expressed as weight percentages: SiO2 50-66%? MgO 3-8% Na2O 7-15%? K2O 0-3% Li2O 0-12%? CaO 0-10%? BaO 0-15%? Al2O3 0-3% ZrO2 0-3% ZnO 0-5% B2O3 0-8% the sum of the alkaline-earth metal oxides CaO+BaO moreover being between 8 and 15%, and the sum of the alkali metal oxides Na2O+K2O+Li2O moreover being between 7 and 20%. The invention also relates to the reinforced glass-ceramics obtained.Type: ApplicationFiled: January 16, 2009Publication date: October 28, 2010Applicant: EUROKERA S.N.C.Inventors: Stephanie Pelletier, Marie-Helene Chopinet, Caroline Faillat, Marie-Helene Rouillon, Pablo Vilato
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Patent number: 6333285Abstract: The subject of the invention is a glass composition intended to be converted into glass ribbon, comprising the constituents below in the following proportions by weight: SiO2 55-71% Al2O3 >2% MgO 4-11%, and > 8% if Al2O3 < 5% Na2O 9-16.5% K2O 4-10%.Type: GrantFiled: February 23, 1999Date of Patent: December 25, 2001Assignee: Saint-Gobain VitrageInventors: Marie-Hélène Chopinet, Elisabeth Rouyer, Olivier Gaume
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Patent number: 4835122Abstract: The invention relates to glass fiber compositions and fibers having use as a reinforcement element of cement-base products. As such, the composition is able to resist attack of strongly basic media.The fibers of the invention comprise the following constituents, in proportions by weight:SiO.sub.2 --56 to 68%,ZrO.sub.2 --14 to 17%,Na.sub.2 O--12 to 20%,K.sub.2 O--0 to 8%,Al.sub.2 O.sub.3 --1 to 9%,and wherein the sum of Na.sub.2 O and K.sub.2 O is between 14 and 22%, and wherein the sum of SiO.sub.2 and Al.sub.2 O.sub.3 is less than 70%.Type: GrantFiled: January 28, 1986Date of Patent: May 30, 1989Assignee: Vetrotex Saint-GobainInventor: Marie-Helene Chopinet