Patents by Inventor Ralf Jurgens
Ralf Jurgens 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: 20240116818Abstract: A formulation for a casting compound is provided that includes a base slip with a proportion between 18% and 36% by weight, quartz glass particles with a proportion between 40% and 70% by weight, and particles of an admixture having at least one multicomponent glass with a proportion between 10% and 40% by weight. The base slip contains water as dispersion medium with a content between 30% and 50% by weight and ultrafine Si0 2 particles colloidally distributed therein with a content between 50% and 70% by weight, and wherein the total water content in the formulation is 10% to 20% by weight. A composite material is also provided that has a largely crystalline Si0 2 matrix and particles of a multicomponent glass embedded therein.Type: ApplicationFiled: October 2, 2023Publication date: April 11, 2024Applicant: SCHOTT AGInventors: Frank Jürgen Druschke, Ralf-Dieter Werner, Christian Kunert, Peter Franke, Manfred-Josef Borens, Franz-Peter Eckes
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Publication number: 20200263580Abstract: A method and a device intended to purify pollutants from an exhaust gas flow of an internal combustion engine operated with sulphur containing fuel, in particular of a ship internal combustion engine operated with heavy fuel oil, are provided. Exhaust gas flow is in contact with a solid adsorption agent of the adsorber in a first step and binding in particular acid pollutants, which comprise sulphur dioxide and sulphur trioxide. The exhaust gas flow is then guided by a second stage of the adsorber realising fine purification of the exhaust gas flow. The adsorption agent of the second stage is used in the first stage as an adsorption agent.Type: ApplicationFiled: February 13, 2020Publication date: August 20, 2020Inventor: Ralf Jürgens
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Publication number: 20150096139Abstract: A cleaning implement such that it is usable universally for differently configured cleaning means, and also for fastening a glove that is known per se, includes a handle and a holder. The holder is configured for releasably fastening a cleaning means, wherein the cleaning means is fastened to the holder by means of a clamping connection. The holder has two clamping jaws, between which the cleaning means is at least regionally clampable.Type: ApplicationFiled: September 29, 2014Publication date: April 9, 2015Inventors: Ralf Jürgens, Markus Dietz
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Patent number: 8596272Abstract: A device (1) for separating moisture from breathing gas is improved in terms of the storage of water of condensation. A collection volume (5) is provided for water of condensation with a water-binding substance (6).Type: GrantFiled: February 4, 2010Date of Patent: December 3, 2013Assignee: Dräger Medical GmbHInventors: Kirill Koulechov, Ralf-Jürgen Lange, Shuang Zhang
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Patent number: 8122557Abstract: The invention relates to a broom body (1) having, on its underside facing the surface to be cleaned, at least two cleaning bodies (3, 4) made of different materials. One cleaning body (3) is forted by a foam material body (5), which is non-positively and/or positively joined to the broom body (1). This foam material body (1) can be inserted into the broom body (1) in a manner that is perpendicular to the longitudinal axis (6) of the broom body (1), and the foam material body (5) has at least one fastening means (7) for positively fastening it to the broom body.Type: GrantFiled: March 31, 2006Date of Patent: February 28, 2012Assignee: Carl Freudenberg KGInventors: Peter L. Arnold, Ralf Jürgens
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Publication number: 20110162983Abstract: A cleaning system is described that comprises a cleaning utensil (4) featuring a handle (6) and a cleaning head (5) as well as at least one device for cleaning the cleaning utensil with a cleansing fluid, especially after use. According to the invention, the facility for cleaning the cleaning utensil with a cleansing fluid comprises an aerosol spray container (15) with an aerosol spray.Type: ApplicationFiled: May 8, 2007Publication date: July 7, 2011Applicant: CARL FREUDENBERG KGInventors: Norbert Weis, Ralf Jurgens, David McKnight
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Publication number: 20100314272Abstract: A description is provided of a cleaning container (1) for a cleaning apparatus (4) that presents a handle (6) and a cleaning head (5), particularly for a toilet brush, where the cleaning container (1) comprises a main chamber (3) for the cleaning and the storage of the cleaning apparatus (4) as well as a secondary chamber (13) that is connected to the main chamber (3) via a passage opening (16), with a device for supplying the cleaning apparatus (4) in the main chamber (3) with a cleaning fluid. To ensure a clean and simple handling, particularly during the draining and cleaning of the cleaning container (1), the invention provides for the main chamber (3) and the secondary chamber (13) to be designed as separate container elements (2, 12) that are connected to each other detachably.Type: ApplicationFiled: September 14, 2007Publication date: December 16, 2010Applicant: CARL FREUDENBERG KGInventors: Ralf Jurgens, David Mcknight, Norbert Weis
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Publication number: 20100199993Abstract: A device (1) for separating moisture from breathing gas is improved in terms of the storage of water of condensation. A collection volume (5) is provided for water of condensation with a water-binding substance (6).Type: ApplicationFiled: February 4, 2010Publication date: August 12, 2010Applicant: Dräger Medical AG & Co. KGInventors: Kirill KOULECHOV, Ralf-Jürgen LANGE, Shuang ZHANG
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Publication number: 20080189890Abstract: The invention relates to a broom body (1) having, on its underside facing the surface to be cleaned, at least two cleaning bodies (3, 4) made of different materials. One cleaning body (3) is forted by a foam material body (5), which is non-positively and/or positively joined to the broom body (1). This foam material body (1) can be inserted into the broom body (1) in a manner that is perpendicular to the longitudinal axis (6) of the broom body (1), and the foam material body (5) has at least one fastening means (7) for positively fastening it to the broom body.Type: ApplicationFiled: March 31, 2006Publication date: August 14, 2008Applicant: Carl Freudenberg KGInventors: Peter L. Arnold, Ralf Jurgens
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Patent number: 7122379Abstract: A method of using Raman Spectra for determining the progress of a graft polymerization reaction is disclosed. The method entails (a) measuring at the beginning of the reaction and at a plurality of time intervals in the course of the reaction, continuously and on-site, the Raman spectrum in the wave number range of 100 to 4000 cm?1 of one or more of the monomers and/or polymers entailed in the reaction and of at least one internal standard and (b) recording the spectra and (c) adding reaction partners necessary to the reaction continuously and/or discontinuously and (d) calculating the change in concentration of the monomers and polymers by comparing the spectra of the monomers or polymers with the internal standard.Type: GrantFiled: October 28, 2002Date of Patent: October 17, 2006Assignee: Bayer AktiengesellschaftInventors: Udo Wolf, Ralf-Jürgen Born, Vera Buchholz, Herbert Eichenauer, Eckhard Wenz, Wilhelm Bergmeier, Christof Boden
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Patent number: 6988291Abstract: A cleaning implement for damp cleaning of surfaces using mopping water includes a first plastic element which indicates the temperature of the mopping water by a reversible change in its color upon contact with the mopping water.Type: GrantFiled: August 9, 2002Date of Patent: January 24, 2006Assignee: Carl Freudenberg KGInventors: Ralf Jürgens, Helmut Hofmeister
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Publication number: 20050098007Abstract: An installation for removing shavings and remainder pieces from desired cut material after cutting by means of a circular saw with a plurality of saw blades. A conveyor belt longitudinally conveys the cut material downstream of the circular saw. One longitudinal edge of the conveyor belt is aligned with the reference line of the far-right engaged or far-left engaged saw blade. A pusher unit with stop, which can be displaced transversely with respect to the longitudinal direction of the conveyor belt, is arranged on the aligned side downstream of the circular saw.Type: ApplicationFiled: May 24, 2004Publication date: May 12, 2005Inventors: Markus Danner, Ralf-Jurgen Linser, Andreas Weigel
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Publication number: 20040176532Abstract: A process of producing a graft polymer of the ABS type by the emulsion method is disclosed. In the process wherein 5 to 95% by weight of a monomer mixture that contains A) 50 to 99 parts by weight of at least one vinyl aromatic compound and B) 1 to 50 parts by weight of at least one copolymer is polymerized in the presence of C) 95 to 5% by weight of one or more graft substrates having a glass transition temperature <10° C., the improvement includes monitoring continuously in the course of the reaction the Raman spectra of the reaction mixture, determining deviations from the specified desired course of the reaction and making corresponding adjustments.Type: ApplicationFiled: February 4, 2004Publication date: September 9, 2004Inventors: Vera Buchholz, Eckhard Wenz, Herbert Eichenauer, Ralf-Jurgen Born, Christian Lange, Sven Hobeika
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Patent number: 6696503Abstract: The present invention relates to a process for preparing crosslinked ion exchangers with a homogeneous network structure based on unsaturated aliphatic nitriles in the presence of film-forming protective colloids.Type: GrantFiled: December 14, 2000Date of Patent: February 24, 2004Assignee: Bayer AktiengesellschaftInventors: Michael Happ, Ralf-Jürgen Born, Reinhold Klipper, Ulrich Schnegg, Hans-Karl Soest, Wolfgang Zarges
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Publication number: 20030204926Abstract: An operating handle (1) for devices, particularly for cleaning devices, such as wiping devices, mops, brooms, or the like. The operating handle (1) has at least a first and a second tubular handle element (2, 2′) which are able to be joined to one another. The tubular handle elements (2, 2′) form a hollow space (5). A connecting link (4, 4′) is provided for connecting the first and the second handle element (2, 2′). The connecting link (4, 4′) extends at least partially into the hollow space (5) formed by the handle elements (2, 2′). A first connecting segment (6) and a second connecting segment (7) are provided. The first connecting segment (6) is designed to connect to the first handle element (2), and the second connecting segment (7) is designed to connect to the second handle element (2′).Type: ApplicationFiled: January 29, 2001Publication date: November 6, 2003Inventors: Ralf Jurgens, Uwe Dingert, Joerg Dunkel, Richard Schilling, Hans-Jurgen Wendelken
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Publication number: 20030130433Abstract: A process of preparing a graft polymer (e.g., an ABS graft copolymer), which involves determining the concentration of at least one reaction component during the course of the reaction by means of Raman spectroscopy, is disclosed. The process, more particularly, comprises: (a) synthesizing the graft polymer from a reaction mixture comprising reactive components (e.g., monomers such as styrene and acrylonitrile, and a graft base); (b) analyzing the reaction mixture, at intervals, during the synthesis of the graft polymer, by means of Raman spectra; (c) recording the results of the Raman spectra analysis; (d) determining the concentration of at least one of said reactive components (e.g., styrene) by means of spectral evaluation of the recorded Raman spectra; and (e) terminating the synthesis reaction of the graft polymer when the concentration of at least one of the reactive components has reached a predetermined concentration value.Type: ApplicationFiled: October 28, 2002Publication date: July 10, 2003Inventors: Eckhard Wenz, Vera Buchholz, Herbert Eichenauer, Udo Wolf, Ralf-Jurgen Born, Ulrich Jansen, Wolfgang Dietz
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Publication number: 20030119199Abstract: A method of using Raman Spectra for determining the progress of a graft polymerization reaction is disclosed. The method entails (a) measuring at the beginning of the reaction and at a plurality of time intervals in the course of the reaction, continuously and on-site, the Raman spectrum in the wave number range of 100 to 4000 cm−1 of one or more of the monomers and/or polymers entailed in the reaction and of at least one internal standard and (b) recording the spectra and (c) adding reaction partners necessary to the reaction continuously and/or discontinuously and (d) calculating the change in concentration of the monomers and polymers by comparing the spectra of the monomers or polymers with the internal standard.Type: ApplicationFiled: October 28, 2002Publication date: June 26, 2003Inventors: Udo Wolf, Ralf-Jurgen Born, Vera Buchholz, Herbert Eichenauer, Eckhard Wenz, Wilhelm Bergmeier, Christof Boden
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Publication number: 20030031228Abstract: A cleaning implement for damp cleaning of surfaces using mopping water includes a first plastic element which indicates the temperature of the mopping water by a reversible change in its color upon contact with the mopping water.Type: ApplicationFiled: August 9, 2002Publication date: February 13, 2003Inventors: Ralf Jurgens, Helmut Hofmeister
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Publication number: 20020195392Abstract: The invention relates to a process for preparing gel-type cation exchangers of high osmotic and mechanical stability and enhanced stability to oxidation by a seed/feed process, the seed used being a polymer containing 3.5-7% by weight of crosslinker.Type: ApplicationFiled: April 30, 2002Publication date: December 26, 2002Inventors: Claudia Schmid, Wolfgang Podszun, Rudiger Seidel, Reinhold Klipper, Ralf-Jurgen Born, Olaf Halle, Ulrich Schnegg
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Patent number: D518262Type: GrantFiled: October 5, 2004Date of Patent: March 28, 2006Assignee: Carl Freudenberg KGInventor: Ralf Jürgens