Patents by Inventor Philipp Roth
Philipp Roth 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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Publication number: 20240068515Abstract: A bearing assembly, in particular for a converter, including a rolling bearing having an outer ring which is arranged in an inner housing, the inner housing being movable with respect to an outer housing in the axial direction of the rolling bearing by means of a two-row linear rolling bearing structure, and the rotational axes of all the rolling elements in each row of the linear rolling bearing structure lying in a common plane, and the two planes being at an oblique angle to one another. At least one anti-rotation element which engages in a mating contour in the outer housing is connected to the inner housing.Type: ApplicationFiled: January 12, 2022Publication date: February 29, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Herbert Roth, Philipp Weippert
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Publication number: 20240010611Abstract: A method for preparing guanidino acetic acid involves reacting cyanamide and glycine in an aqueous reaction mixture in the presence of a base. The ammonia content in the reaction mixture is controlled to be below 20 g/L, and the dicyandiatrade content in the reaction mixture is kept below 5 wt.-%.Type: ApplicationFiled: August 19, 2021Publication date: January 11, 2024Applicant: Evonik Operations GmbHInventors: Timo Stahl, Axel Ronneburg, Barbara Jäger, Philipp Roth
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Patent number: 11795142Abstract: A modified method for preparing guanidino acetic acid (GAA) involves reacting cyanamide with an excess molar amount of glycine in an aqueous reaction mixture, in the presence of a base. The method avoids high molar amounts of base or acid for pH control, and maintains the reaction selectivity and product yields.Type: GrantFiled: August 18, 2021Date of Patent: October 24, 2023Assignee: Evonik Operations GmbHInventors: Timo Stahl, Axel Ronneburg, Philipp Roth
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Publication number: 20230295078Abstract: A modified method for preparing guanidino acetic acid (GAA) involves reacting cyanamide with an excess molar amount of glycine in an aqueous reaction mixture, in the presence of a base. The method avoids high molar amounts of base or acid for pH control, and maintains the reaction selectivity and product yields.Type: ApplicationFiled: August 18, 2021Publication date: September 21, 2023Applicant: Evonik Operations GmbHInventors: Timo Stahl, Axel Ronneburg, Philipp Roth
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Publication number: 20220243688Abstract: A valve device for exhaust gas recirculation in the exhaust gas system of a motor vehicle that is driven by an internal combustion engine. In order to create a valve device that can be used as an EGR check valve in which a pressure loss relative to known designs is reduced even with small valve geometries, it is proposed for the valve device to comprise a valve body that is embodied as a separate part that is mushroom-shaped or umbrella-shaped and is axially guided in a supporting plate in a region through which the gas flows axial, rests with its umbrella against the supporting plate in a way that seals the region through which the gas flows in a closed position, and has an end stop for an open position.Type: ApplicationFiled: May 6, 2020Publication date: August 4, 2022Applicant: ElringKlinger AGInventors: Philipp ROTH, Wojtek KOLASINSKI
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Publication number: 20220048855Abstract: The present invention pertains to a method for producing methionine or salts or derivatives thereof from hydrogen cyanide (HCN), the method comprising a step of producing 2-hydroxy-4-(methylthio)butyronitrile (MMP-CN), or a crude product mixture comprising MMP-CN, by contacting a hydrogen cyanide (HCN) process gas mixture prepared according to the Andrussow process from methane, ammonia and oxygen, with 3-methylmercaptopropionaldehyde (MMP), wherein the HCN process gas mixture is obtained from the crude HCN process gas mixture by adjusting the amount of ammonia to between 20% (v/v) and 60% (v/v) of the amount of the ammonia in the crude HCN process gas mixture.Type: ApplicationFiled: December 13, 2019Publication date: February 17, 2022Applicant: EVONIK OPERATIONS GMBHInventors: Daniel SUDHOFF, Judith HIEROLD, Philipp ROTH, Imad MOUSSALLEM, Ulf BINDERNAGEL, Christian RENNER
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Publication number: 20220011151Abstract: The invention relates to a method for weighing pharmaceutical containers (10) nested in a carrier (11), in which at least one of the nested containers (10) is weighed by means of a weighing device (1), wherein a relative movement between the at least one pharmaceutical container (10) and the carrier (11) is brought about in order to release the pharmaceutical containers (10) from the carrier (11) in order to increase the weighing accuracy.Type: ApplicationFiled: September 18, 2019Publication date: January 13, 2022Inventors: Philipp Roth, Ulrich Krauß, Klaus Ullherr, Tim Fleckenstein, Rolf Barthelmess, Martin Maerz, Thomas Beck, Ralf Riebeling, Heiko Wild, Joachim Radtke, Jochen Peters, Oliver Gerundt, Harald Ott, Olaf Eistert, Frank Scholl, Herbert Schaffert, Jochen Lautenschlager, Paul Mehringer, Faruk Civelek
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Patent number: 10899706Abstract: The present invention relates to a method for preparing methionine or methionine salts. In particular, the invention describes the step of preparing 2-hydroxy-4-(methylthio)butyronitrile (MMP-CN) from 3-methylthiopropanal (MMP) and hydrogen cyanide (HCN) in the presence of ammonia by bringing a gaseous mixture comprising HCN and ammonia into contact with MMP.Type: GrantFiled: December 15, 2017Date of Patent: January 26, 2021Assignee: Evonik Operations GmbHInventors: Judith Hierold, Daniel Sudhoff, Martin Steurenthaler, Hans Joachim Hasselbach, Philipp Roth, Thorsten Merker, Markus Held, Daniel Fischer, Christian Kaiser
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Publication number: 20200115334Abstract: The present invention relates to a method for preparing methionine or methionine salts. In particular, the invention describes the step of preparing 2-hydroxy-4-(methylthio)butyronitrile (MMP-CN) from 3-methylthiopropanal (MMP) and hydrogen cyanide (HCN) in the presence of ammonia by bringing a gaseous mixture comprising HCN and ammonia into contact with MMP.Type: ApplicationFiled: December 15, 2017Publication date: April 16, 2020Applicant: Evonik Degussa GmbHInventors: Judith HIEROLD, Daniel SUDHOFF, Martin STEURENTHALER, Hans Joachim HASSELBACH, Philipp ROTH, Thorsten MERKER, Markus HELD, Daniel FISCHER, Christian KAISER
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Patent number: 9822051Abstract: The present invention relates to a process for preparing acrolein from propylene by catalytic gas phase oxidation with molecular oxygen (for example air). The invention further relates to the use of particular propylene-containing starting materials, for example refinery grade propylene, for preparation of acrolein.Type: GrantFiled: May 23, 2014Date of Patent: November 21, 2017Assignee: Evonik Degussa GmbHInventors: Martin Steffan, Helmut Mueller, Philipp Roth, Christoph Weckbecker, Harald Jakob
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Publication number: 20160107968Abstract: The present invention relates to a process for preparing acrolein from propylene by catalytic gas phase oxidation with molecular oxygen (for example air). The invention further relates to the use of particular propylene-containing starting materials, for example refinery grade propylene, for preparation of acrolein.Type: ApplicationFiled: May 23, 2014Publication date: April 21, 2016Applicant: EVONIK DEGUSSA GMBHInventors: Martin STEFFAN, Helmut MÜLLER, Philipp ROTH, Christoph WECKBECKER, Harald JAKOB
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Patent number: 9126307Abstract: An impact baffle for a jet cutting tool and a method to operate the baffle in conjunction with the jet cutting tool are described, the baffle with an impact layer and an laterally extended sensing layer to trigger a control signal for interrupting a cutting operation of the jet cutting tool after the impact layer is pierced by the jet cutting tool.Type: GrantFiled: January 18, 2013Date of Patent: September 8, 2015Assignee: ALSTOM TECHNOLOGY LTD.Inventors: Philipp Roth, Walter Maurer, Vera de Vries
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Patent number: 9079293Abstract: A mobile collecting device (22) for the high-pressure water jet (26) of a water-jet tool (18), especially for working in confined places with difficult access in turbines or the like, in which a more flexible and safer operation is achieved by a closed collecting chamber (24), which extends over a large area and includes an outlet (30), and in which a rigid first collecting bed (34) formed of a first high-pressure-resistant material is arranged.Type: GrantFiled: January 6, 2009Date of Patent: July 14, 2015Assignee: ALSTOM Technology LtdInventors: Philipp Roth, Josef Erni, Walter Maurer
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Patent number: 9016104Abstract: A process for producing a reference body (10) provided with a slot (17) as a test crack for the nondestructive testing of materials can be used flexibly and includes the following steps: a) a reference body (10) and a mask (11) provided with a slot pattern (12) are provided; b) the mask (11) is applied to the reference body (10); c) material is removed from the reference body (10) through the mask (11) with an abrasive water jet (16); and d) the mask (11) is taken off the reference body (10).Type: GrantFiled: April 6, 2010Date of Patent: April 28, 2015Assignee: Alstom Technology Ltd.Inventors: Roland Richard Moser, Philipp Roth
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Patent number: 8602844Abstract: In a method for producing a water jet (45) that contains abrasive and emerges under high pressure from a nozzle (44), uninterrupted operation with, at the same time, greater working performance and lower costs is made possible in that, in a first step, an abrasive suspension (34) containing abrasive and water is provided at normal pressure, in a second step the provided abrasive suspension (34) is brought to a working pressure that is greatly above normal pressure, and in a third step a water jet (45) containing abrasive is produced, with a nozzle (44), from the abrasive suspension (34) that is under the working pressure.Type: GrantFiled: September 28, 2010Date of Patent: December 10, 2013Assignee: ALSTOM Technology LtdInventor: Philipp Roth
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Patent number: 8299293Abstract: A method for preparing ?-keto acids, especially ?-ketomethionine, and/or derivatives thereof, whereby an aldehyde is reacted with thiols to give a corresponding dithioacetal, the dithioacetal formed, is reacted with an electrophile in the presence of a strong base, and the resulting ?,?-(dithio)carboxylic acid is solvolyzed with acid-catalysis to release thiol and give the ?-keto acid or a derivative thereof. Umpolung of aliphatic or aromatic aldehydes is effected by reaction with thiols.Type: GrantFiled: July 9, 2008Date of Patent: October 30, 2012Assignee: Evonik Degussa GmbHInventors: Christoph Kobler, Martin Hateley, Philipp Roth, Barbara Jaeger, Christoph Weckbecker, Klaus Huthmacher
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Patent number: 8158186Abstract: A chemical compound of the general formula I or II is useful as feed additive: wherein X=O or NR, and R=H, C1-C6-alkyl (optionally branched), C3-C6-cycloalkyl, aryl, or aralkyl, and wherein R1, R2, are identical or different and in each case H, C1-C6-alkyl (optionally branched), C3-C6-cycloalkyl, allyl, aryl, or aralkyl; or R1 and R2 together are an C2- to C6-alkylene group (optionally C1-C6-alkyl substituted).Type: GrantFiled: December 19, 2008Date of Patent: April 17, 2012Assignee: Evonik Degussa GmbHInventors: Christoph Kobler, Philipp Roth, Christoph Weckbecker, Klaus Huthmacher
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Patent number: 7979227Abstract: In a method for calibrating a measuring device, a signal of a first sensor is mapped to a measured value based on a mapping specification. A current measured value of the measuring device is recorded as current calibration measured value; a laboratory reference sample of the measured medium with properties of the calibrated measured value at the point in time of the recording is supplied to a laboratory reference measuring device; the actual value of the measured variable is ascertained based on the laboratory reference sample and made available and recorded as current laboratory reference measured value; and, based on the current calibration measured value, as well as the current laboratory reference measured value, the mapping specification is updated. At least one earlier value pair of a calibration measured value and an associated laboratory reference measured value ascertained in an earlier calibration is considered in updating the mapping specification.Type: GrantFiled: December 13, 2006Date of Patent: July 12, 2011Assignee: Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KGInventors: Marc Buttmann, Philipp Roth, Ralf Hüsges
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Publication number: 20110081834Abstract: In a method for producing a water jet (45) that contains abrasive and emerges under high pressure from a nozzle (44), uninterrupted operation with, at the same time, greater working performance and lower costs is made possible in that, in a first step, an abrasive suspension (34) containing abrasive and water is provided at normal pressure, in a second step the provided abrasive suspension (34) is brought to a working pressure that is greatly above normal pressure, and in a third step a water jet (45) containing abrasive is produced, with a nozzle (44), from the abrasive suspension (34) that is under the working pressure.Type: ApplicationFiled: September 28, 2010Publication date: April 7, 2011Inventor: Philipp Roth
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Publication number: 20100269593Abstract: A process for producing a reference body (10) provided with a slot (17) as a test crack for the nondestructive testing of materials can be used flexibly and includes the following steps: a) a reference body (10) and a mask (11) provided with a slot pattern (12) are provided; b) the mask (11) is applied to the reference body (10); c) material is removed from the reference body (10) through the mask (11) with an abrasive water jet (16); and d) the mask (11) is taken off the reference body (10).Type: ApplicationFiled: April 6, 2010Publication date: October 28, 2010Inventors: Roland Richard Moser, Philipp Roth