Patents by Inventor Claudia Brasse
Claudia Brasse 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: 9005797Abstract: A battery includes a stack of bipolar individual battery cells, each of which includes an electrode stack and two sheet metal covers bounding the individual battery cell at least in the stacking direction. The electrode stack is connected to at least one of the sheet metal covers by at least one weld. In the region of the at least one weld, the sheet metal cover welded to the electrode stack and/or the sheet metal cover of the adjacent individual battery cell in contact with the sheet metal cover is/are of a set-back design. As a result, the sheet metal covers of adjacent individual battery cells do not have any contact in the region of the at least one weld.Type: GrantFiled: July 3, 2010Date of Patent: April 14, 2015Assignee: Daimler AGInventors: Dirk Schroeter, Jens Meintschel, Martin Ertle, Rainer Kaufmann, Claudia Brasse, Claus-Rupert Hohenthanner, Joerg Kaiser
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Patent number: 8481765Abstract: The invention relates to a method for the production of epichlorohydrin, wherein a chloropropane-containing ally chloride in excess is reacted in a first reaction stage with hydrogen peroxide. The non-reacted ally chloride is separated and returned to the reaction, wherein part of the separated ally chloride is added to a second reaction stage and reacted with hydrogen peroxide, wherein the hydrogen peroxide quantity is selected in the second reaction stage such that the ally chloride is largely reacted. The chloropropanes are separated from the reaction mixture of the second reaction stage by means of distillation and removed from the process.Type: GrantFiled: December 16, 2008Date of Patent: July 9, 2013Assignee: Momentive Specialty Chemicals Inc.Inventors: Willi Hofen, Claudia Brasse, Robert Franke, Robert Katzer
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Publication number: 20120301776Abstract: Battery cell 1, in particular flat battery cell, comprising at least one packaging for receiving at least one electric cell, at least one conductor 3, which has at least one base section 4 and at least one contacting section 5, wherein said contacting section is bent relative to the base section 4.Type: ApplicationFiled: April 23, 2012Publication date: November 29, 2012Applicant: LI-TEC BATTERY GMBHInventors: Claus-Rupert Hohenthanner, Joerg Kaiser, Andrea Gutsch, Claudia Brasse, Tim Schaefer
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Publication number: 20120282506Abstract: An electrochemical energy storage device (1) comprising a casing (2), in which a plurality of flat galvanic cells (3) are arranged. Between two adjacent flat galvanic cells is in each case, a flat heat conducting body (4) and/or a flat elastic body (5) arranged. Preferably, the flat galvanic cells, the flat heat conducting bodies and/or the flat elastic bodies exert upon each other at the contact surface areas, a force (11) corresponding to a surface pressing, and the casing has a wall with a structure or with structures (8, 9), in which a heat conducting body (4) engages such, that said heat conducting body may not be shiftable in the direction of the force (11), acting on the contact surface areas.Type: ApplicationFiled: August 27, 2010Publication date: November 8, 2012Applicant: LI-TEC BATTERY GMBHInventors: Claus-Rupert Hohenthanner, Claudia Brasse, Andreas Fuchs, Joerg Kaiser, Andreas Gutsch, Tim Schaefer
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Publication number: 20120270094Abstract: A storage device for electrical energy with a plurality of flat storage cells for the storage and the discharge of electrical energy with opposing flat-shaped conductors, spacer elements for maintaining a predetermined space between the storage cells and a clamping means for the clamping of the cells into a stack. The spacer elements have pressure surface areas, wherein the conductors of the cells, each are clamped between the pressure surface areas of two spacer elements by the clamping means by means of force closure. In the area of opposing pressure surface areas of a spacer element, either a contacting element for establishing an electrical connection between the opposing pressure surface areas or an insulating structure is provided. The spacer elements are provided such, that the compressions between the pressure surface areas with an insulating structure and between the pressure surface areas with a contacting element, are ajusted to each other.Type: ApplicationFiled: March 15, 2010Publication date: October 25, 2012Applicant: LI-TEC BATTERY GMBHInventors: Claus-Rupert Hohenthanner, Jens Meintschel, Torsten Schmidt, Claudia Brasse
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Publication number: 20120231310Abstract: A profile strip to border an electrochemical energy storage device having at least one, essentially, longitudinally extending first recess, which is bordered by a first arm and a second arm. The first and the second arm are made such that they are attachable to opposite sides of an boundary area of the electrochemical energy storage device, and at least partially connected to each other with a backside part. In a method of producing such a profile strip for an electrochemical energy storage device, at least one first recess is inserted into the profile strip by a suitable method, and the profile strip is converted in said first recess from a first, stretched, state into a second, angled, state. The corner resulting from bending may have a connection by force-fit or by material engagement.Type: ApplicationFiled: August 30, 2010Publication date: September 13, 2012Applicant: Li-Tec Battery GmbHInventors: Walter Lachenmeier, Andreas Gutsch, Claus-Rupert Hohenthanner, Claudia Brasse
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Publication number: 20120208065Abstract: A single cell for a battery that includes a first housing part and a second housing part, which are electrically isolated from one another by an insulating housing frame. An electrochemically-active material is located in housing frame between housing parts. The first housing part and second housing part are in the form of plates. At least one of the housing parts exhibits a first edge area bent over towards the inside, and first housing part and second housing part are fixed by a form fit to one-piece housing frame.Type: ApplicationFiled: July 3, 2010Publication date: August 16, 2012Applicant: Daimler AGInventors: Dirk Schroeter, Wolfgang Warthmann, Rainer Kaufmann, Jens Meintschel, Claus-Rupert Hohenthanner, Claudia Brasse, Guenter Eichinger, Andreas Gutsch, Michael Gnann
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Publication number: 20120189909Abstract: According to the invention, electric arresters (302, 303, 402, 403) with opposite electric polarity extend from a housing of a galvanic cell (301, 401) at several points for dissipating energy stored in the galvanic cell.Type: ApplicationFiled: July 20, 2010Publication date: July 26, 2012Applicant: LI-TEC BATTERY GMBHInventors: Claus-Rupert Hohenthanner, Claudia Brasse, Torsten Schmidt, Heike Schoene, Jens Meintschel
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Publication number: 20120177977Abstract: A battery includes a stack of bipolar individual battery cells, each of which includes an electrode stack and two sheet metal covers bounding the individual battery cell at least in the stacking direction. The electrode stack is connected to at least one of the sheet metal covers by at least one weld. In the region of the at least one weld, the sheet metal cover welded to the electrode stack and/or the sheet metal cover of the adjacent individual battery cell in contact with the sheet metal cover is/are of a set-back design. As a result, the sheet metal covers of adjacent individual battery cells do not have any contact in the region of the at least one weld.Type: ApplicationFiled: July 3, 2010Publication date: July 12, 2012Applicant: Daimler AGInventors: Dirk Schroeter, Jens Meintschel, Martin Ertle, Rainer Kaufmann, Claudia Brasse, Claus-Rupert Hohenthanner, Joerg Kaiser
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Publication number: 20120171559Abstract: The invention relates to a battery housing (1) for receiving one or more battery cells (2), comprising a cover surface (3), a floor surface (4), and a sealing plate (5) disposed between the cover surface and the floor surface. The invention further relates to a retaining frame (10) for a battery cell (2), comprising a floor part (11), a cover part (12), and a sealing part (12) disposed between the floor part and the cover part.Type: ApplicationFiled: March 18, 2010Publication date: July 5, 2012Applicant: LI-TEC BATTERY GMBHInventors: Claus-Rupert Hohenthanner, Joerg Kaiser, Andreas Gutsch, Claudia Brasse, Tim Schaefer
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Publication number: 20120156537Abstract: A storage device for electric energy according to an aspect of the invention comprises a plurality of flat storage cells, wherein a plurality of storage cells are stacked in a stacking direction into a cell block and are held together by a tensioning device between two pressure plates, and wherein the storage cells are connected to each other within the cell block in parallel and/or in series. Each storage cell is held in the edge region thereof between two frame elements. According to another aspect, each storage cell comprises current conductors in the edge region and electric contacting between current conductors of successive storage cells is carried out via the tensioning device by way of a non-positive fit.Type: ApplicationFiled: January 14, 2010Publication date: June 21, 2012Applicant: LI-TEC BATTERY GMBHInventors: Jens Meintschel, Claudia Brasse, Torsten Schmidt, Claus-Rupert Hohenthanner
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Patent number: 7981391Abstract: An aqueous hydrogen peroxide solution containing i) less than 50 wppm alkali metals, alkaline earth metals or combinations thereof in total, irrespective whether the alkali or alkaline earth metals are present in cationic or complex form; ii) less than 50 wppm of amines having a pkB of less than 4.5 or the corresponding protonated compounds in total; and iii) at least 100 wppm anions or compounds that can dissociate to form anions in total, where the wppm are based on the weight of hydrogen peroxide and the concentration of hydrogen peroxide is more than 50% by weight based on the total weight of the hydrogen peroxide solution. A process for preparation of said hydrogen peroxide solution and the use of said solution in a process for epoxidation of olefins is also disclosed.Type: GrantFiled: August 14, 2009Date of Patent: July 19, 2011Assignee: Evonik Degussa GmbHInventors: Thomas Haas, Claudia Brasse, Guido Stochniol, Jürgen Glenneberg, Wolfgang Wöll
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Publication number: 20110054197Abstract: The invention relates too method for the production of epichlorohydrin, wherein a chloropropane-containing ally chloride in excess is reacted in a first reaction stage with hydrogen peroxide. The non-reacted ally chloride is separated and returned to the reaction, wherein part of the separated ally chloride is added to a second reaction stage and reacted with hydrogen peroxide, wherein the hydrogen peroxide quantity is selected in the second reaction stage such that the ally chloride is largely reacted. The chloropropanes are separated from the reaction mixture of the second reaction stage by means of distillation and removed from the process.Type: ApplicationFiled: December 16, 2008Publication date: March 3, 2011Applicant: EVONIK DEGUSSA GMBHInventors: Willi Hofen, Claudia Brasse, Robert Franke, Robert Katzer
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Publication number: 20100136403Abstract: The invention relates to a facility (10, 20) operating according to galvanic principles such as particularly a battery, respectively an accumulator, in particular a lithium-ion battery, and assemblies thereof. The facility comprises a housing (12), at least one first current conductor (14), which protrudes from the housing (12), and at least one first heat conducting facility (24), which is connected to the first current conductor (14) in heat flow communication, and which is developed such to conduct thermal energy from the first current conductor (14).Type: ApplicationFiled: July 8, 2009Publication date: June 3, 2010Applicant: Li-Tech Battery GmbHInventors: Tim Schafer, Claudia Brasse, Andreas Gutsch
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Patent number: 7722847Abstract: An aqueous hydrogen peroxide solution containing i) less than 50 wppm alkali metals, alkaline earth metals or combinations thereof in total, irrespective whether the alkali or alkaline earth metals are present in cationic or complex form; ii) less than 50 wppm of amines having a pkB of less than 4.5 or the corresponding protonated compounds in total; and iii) at least 100 wppm anions or compounds that can dissociate to form anions in total, where the wppm are based on the weight of hydrogen peroxide and the concentration of hydrogen peroxide is more than 50% by weight based on the total weight of the hydrogen peroxide solution. A process for preparation of said hydrogen peroxide solution and the use of said solution in a process for epoxidation of olefins is also disclosed.Type: GrantFiled: September 24, 2003Date of Patent: May 25, 2010Assignee: Evonik Degussa GmbHInventors: Thomas Haas, Claudia Brasse, Guido Stochniol, Jürgen Glenneberg, Wolfgang Wöll
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Publication number: 20090294727Abstract: An aqueous hydrogen peroxide solution containing i) less than 50 wppm alkali metals, alkaline earth metals or combinations thereof in total, irrespective whether the alkali or alkaline earth metals are present in cationic or complex form; ii) less than 50 wppm of amines having a pkB of less than 4.5 or the corresponding protonated compounds in total; and iii) at least 100 wppm anions or compounds that can dissociate to form anions in total, where the wppm are based on the weight of hydrogen peroxide and the concentration of hydrogen peroxide is more than 50% by weight based on the total weight of the hydrogen peroxide solution. A process for preparation of said hydrogen peroxide solution and the use of said solution in a process for epoxidation of olefins is also disclosed.Type: ApplicationFiled: August 14, 2009Publication date: December 3, 2009Inventors: Thomas Haas, Claudia Brasse, Guido Stochniol, Jürgen Glenneberg, Wolfgang Wöll
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Patent number: 7169945Abstract: A process for the catalytic epoxidation of olefins in the presence of a titanium containing zeolite catalyst and a polar solvent whereby the deactivation of the catalyst upon recycling of the solvent has been considerably reduced. In the process one or more nitrogen containing compounds are introduced at some stage, a solvent stream is recovered, treated to contain less than 50 wppm nitrogen in the form of organic nitrogen compounds and at least a part of it is recycled to the epoxidation step. Also disclosed is a process for the catalytic epoxidation of propene which integrates the treatment and recycle of the solvent into the workup of the reaction mixture.Type: GrantFiled: November 26, 2003Date of Patent: January 30, 2007Assignees: Degussa AG, Uhde GmbHInventors: Thomas Haas, Willi Hofen, Wolfgang Wöll, Claudia Brasse, Guido Stochniol, Norbert Ullrich
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Patent number: 7141683Abstract: A process for the epoxidation of olefins which includes i) reacting an olefin with hydrogen peroxide in presence of an epoxidation catalyst and an alcoholic solvent; ii) separating product olefin oxide and unreacted olefin from the reaction product of step i); iii) recovering a stream comprising the alcoholic solvent; and iv) subjecting the recovered stream of step iii) to hydrogenation.Type: GrantFiled: May 2, 2003Date of Patent: November 28, 2006Assignees: Degussa AG, Uhde GmbHInventors: Thomas Haas, Georg Thiele, Gerald Moroff, Norbert Ullrich, Willi Hofen, Guido Stochniol, Hubertus Eickhoff, Werner Pohl, Wolfgang Wöll, Claudia Brasse, José Berges, Percy Kampeis
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Patent number: 6878836Abstract: A process for the continuous epoxidation of propene with hydrogen peroxide in the presence of a titanium silicalite catalyst and a methanol solvent, wherein the catalyst is periodically regenerated by washing with a methanol solvent at a temperature of at least 100° C. and the epoxidation reaction is carried out for periods of more than 300 h between two regeneration steps.Type: GrantFiled: May 5, 2004Date of Patent: April 12, 2005Assignees: Degussa AG, Uhde GmbHInventors: Thomas Haas, Claudia Brasse, Wolfgang Wöll, Willi Hofen, Bernd Jaeger, Guido Stochniol, Norbert Ullrich
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Patent number: 6838572Abstract: A continuous process for the epoxidation of olefins with hydrogen peroxide in the presence of a heterogeneous catalyst promoting the epoxidation reaction, whereby the aqueous reaction mixture contains i) an olefin; ii) hydrogen peroxide; iii) less than 100 wppm of alkali metals, earth alkali metals, both irrespective whether in ionic, complex or covalently bonded form, bases or cations of bases having a pkB of less than 4.5, or combinations thereof; and, iv) at least 100 wppm of bases or cations of bases having a pkB of at least 4.5 or combinations thereof, whereby the wppm are based on the total weight of hydrogen peroxide in the reaction mixture.Type: GrantFiled: September 24, 2003Date of Patent: January 4, 2005Assignees: Degussa AG, Uhde GmbHInventors: Thomas Haas, Claudia Brasse, Guido Stochniol, Willi Hofen, Wolfgang Wöll, Georg Thiele