Patents by Inventor Markus Haase
Markus Haase 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: 7713624Abstract: Luminescent inorganic nanoparticles comprising: (a) a core made from a first metal salt or oxide being surrounded by (b) a shell made from a second metal salt or oxide being luminescent and having non-semiconductor properties. These nanoparticles can be advantageously used in (fluorescence) resonance energy transfer ((F)RET)-based bioassays in view of their higher (F)RET efficiency.Type: GrantFiled: April 29, 2004Date of Patent: May 11, 2010Assignees: Bayer Technology Services GmbH, Centrum fur Angewandte Nanotechnologie (CAN) GmbHInventors: Christiane Meyer, Markus Haase, Werner Hoheisel, Kerstin Bohmann
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Publication number: 20100019204Abstract: The present invention relates to a surface treatment method for nanoparticles. The present invention particularly relates to a surface treatment method for nanoparticles, which increases the dispersion ability of the nanoparticles in a solvent, and in which a mixture made of a polyvalent acid and a nitrogen-containing base, such as an amine, or a salt of a polyvalent acid and a nitrogen-containing base, such as ammonium salt, or also a corresponding betaine, is used. The present invention also relates to surface-modified nanoparticles, which can be obtained by the inventive method.Type: ApplicationFiled: December 20, 2007Publication date: January 28, 2010Applicant: CENTRUM FUER ANGEWANDTE NANOTECHNOLOGIE (CAN) GMBHInventor: Markus Haase
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Patent number: 7651771Abstract: The present invention relates to Luminescent nanoparticles comprising (a) a core made from a luminescent metal salt selected from phosphates, sulfates or fluorides, being surrounded by (b) a shell made from a metal salt or oxide capable of preventing or reducing energy transfer from the core after its electronic excitation to the surface of the nanoparticle, e.g. a shell made from a non-luminescent metal salt or oxide, which are characterized by higher quantum yields and can be used in various fields including light generation and security marking.Type: GrantFiled: April 29, 2004Date of Patent: January 26, 2010Assignee: Centrum fur Angewandte Nanotechnologie (CAN) GmbHInventors: Christiane Meyer, Markus Haase
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Patent number: 7344895Abstract: A process for synthesizing nanoparticles, in particular metal salt nanoparticles. To the synthesis mixture is added a modifying reagent which binds, by means of a first functional group, to the nanoparticle surface and which carries a second functional group for binding to molecules which are specifically selected in dependence on the subsequent use of the nanoparticles. This dispenses with a postsynthetic, separate, application-specific modification step. A new substance class, the pentaalkyl iminobis(methylenephosphono)carboxylates, are particularly suitable for this purpose.Type: GrantFiled: December 6, 2003Date of Patent: March 18, 2008Assignee: Bayer Technology Services GmbHInventors: Burkhard Köhler, Kerstin Bohmann, Werner Hoheisel, Markus Haase, Stefan Haubold, Christiane Meyer, Thorsten Heidelberg
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Patent number: 7241399Abstract: Methods for the preparation of inorganic nanoparticles capable of fluorescence, wherein the nanoparticles consist of a host material that comprises at least one dopant. The synthesis of the invention in organic solvents allows to gain a considerably higher yield compared to the prior art synthesis in water. All kinds of objects can advantageously be marked and reliably authenticated by using an automated method on the basis of a characteristic emission. Further, the size distribution of the prepared nanoparticles is nartower which renders a subsequent size-selected separation process superfluous.Type: GrantFiled: September 7, 2001Date of Patent: July 10, 2007Assignee: Centrum fuer Angewandte Nanotechnologie (CAN) GmbHInventors: Stephan Haubold, Markus Haase, Karsten Riwotzki, Horst Weller, Heike Meyssamy, Fernando Ibarra
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Publication number: 20070087195Abstract: The present invention relates to luminescent inorganic nanoparticles comprising (a) a core made from a first metal salt or oxide being surrounded by (b) a shell made from a second metal salt or oxide being luminescent and having non-semiconductor properties. These particles can be advantageously used in (fluorescence) resonance energy transfer ((F)RET)-based bioassays in view of their higher (F)RET efficiency.Type: ApplicationFiled: April 29, 2004Publication date: April 19, 2007Applicants: Nanosolutions GMBH, Bayer Technology Services GMBHInventors: Christiane Meyer, Markus Haase, Werner Hoheisel, Kerstin Bohmann
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Publication number: 20070054120Abstract: The present invention relates to Luminescent nanoparticles comprising (a) a core made from a luminescent metal salt selected from phosphates, sulfates or fluorides, being surrounded by (b) a shell made from a metal salt or oxide capable of preventing or reducing energy transfer from the core after its electronic excitation to the surface of the nanoparticle, e.g. a shell made from a non-luminescent metal salt or oxide, which are characterized by higher quantum yields and can be used in various fields including light generation and security marking.Type: ApplicationFiled: April 29, 2004Publication date: March 8, 2007Inventors: Christiane Meyer, Markus Haase
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Publication number: 20060063155Abstract: A process for synthesizing nanoparticles, in particular metal salt nanoparticles. To the synthesis mixture is added a modifying reagent which binds, by means of a first functional group, to the nanoparticle surface and which carries a second functional group for binding to molecules which are specifically selected in dependence on the subsequent use of the nanoparticles. This dispenses with a postsynthetic, separate, application-specific modification step. A new substance class, the pentaalkyl iminobis(methylenephosphono) carboxylates, are particularly suitable for this purpose.Type: ApplicationFiled: December 6, 2003Publication date: March 23, 2006Applicant: Bayer Technology Services GmbHInventors: Burkhard Kohler, Kerstin Bohmann, Werner Hoheisel, Markus Haase, Stefan Haubold, Christiane Meyer, Thorsten Heidelberg
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Publication number: 20040156784Abstract: The present invention relates to the preparation and use of nanoparticles, in particular paramagnetic nanoparticles, and their use as contrast enhancers for NMR-based methods of examination. A significant increase in contrast (e.g. from 100 to 200%) takes place according to the invention. An aqueous or organic synthesis leads to small nanoparticles which have a narrow size distribution and can also be advantageously used for many other industrial applications.Type: ApplicationFiled: January 29, 2004Publication date: August 12, 2004Inventors: Markus Haase, Stephan Haubold, Cornelius Bobbert, Beate Stoeckelhuber
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Patent number: 6712999Abstract: The present invention relates to an electrochronic element including the following elements: an electrode (E1), an electrochromic functional layer (FS), an ion-conducting electrolyte (EY) a layer with high electrical charge capacity (SK), a counter-electrode (E2), the electrochromic functional layer (FS) being a nanoporous doped semiconductor layer having structure sizes smaller than 50 nm.Type: GrantFiled: March 11, 2002Date of Patent: March 30, 2004Assignee: DaimlerChrysler AGInventors: Jochen Haering, Thomas Kraenzler, Werner Scherber, Horst Weller, Markus Haase, Ulf Zum Felde
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Publication number: 20040014060Abstract: The invention relates to a simple detection probe containing luminescent inorganic doped nanoparticles (l.i.d nanoparticles) which can be detected after excitement by a source of radiation by their absorption and/or scattering and/or diffraction of the excitement radiation or by emission of fluorescent light, and whose surface is prepared in such a way that affinity molecules for detecting a biological or other organic substance can couple with this prepared surface.Type: ApplicationFiled: April 14, 2003Publication date: January 22, 2004Inventors: Werner Hoheisel, Christoph Petry, Markus Haase, Karsten Riwotzki, Kerstin Bohmann
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Publication number: 20030032192Abstract: The present invention relates to methods for the preparation of inorganic nanoparticles capable of fluorescence, wherein the nanoparticles consist of a host material that comprises at least one dopant. The synthesis of the invention in organic solvents allows to gain a considerably higher yield compared to the prior art synthesis in water. All kinds of objects can advantageously be marked and reliably authenticated by using an automated method on the basis of a characteristic emission. Further, the size distribution of the prepared nanoparticles is narrower which renders a subsequent size-selected separation process superfluous.Type: ApplicationFiled: June 26, 2002Publication date: February 13, 2003Inventors: Stephan Haubold, Markus Haase, Carsten Riwotzky, Horst Weller, Heike Meysamy, Fernando Ibarra
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Publication number: 20030010957Abstract: The present invention relates to an electrochronic element including the following elements:Type: ApplicationFiled: March 11, 2002Publication date: January 16, 2003Inventors: Jochen Haering, Thomas Kraenzler, Werner Scherber, Horst Weller, Markus Haase, Ulf Zum Felde
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Patent number: 5989738Abstract: An organic electroluminescent component with a layer arrangement includes a first electrode layer, an inorganic layer which conducts electrons, one or several optoelectronically active layers with at least one light-emitting layer which comprises an organic emitter, and a second electrode layer. The inorganic layer which conducts electrons is an N-type conducting oxide of a transition metal chosen from the group consisting of zirconium oxide, hafnium oxide, vanadium oxide, barium titanate, barium-strontium titanate, strontium titanate, calcium titanate, calcium zirconate, potassium tantalate, and potassium niobate.Type: GrantFiled: June 24, 1997Date of Patent: November 23, 1999Assignee: U.S. Philips CorporationInventors: Markus Haase, Ulrich Kynast, Herbert Boerner, Cornelis Ronda
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Patent number: 5936340Abstract: A display screen, in particular a flat display screen, having a glass face plate with a transparent electrode layer of a metal oxide, for example indium-doped tin oxide (ITO), a phosphor layer and an adhesive intermediate layer of an alkali silicate between the electrode layer and the phosphor layer.Type: GrantFiled: June 19, 1997Date of Patent: August 10, 1999Assignee: U.S. Philips CorporationInventors: Helmut Bechtel, Stefan Gruhlke, Markus Haase, Joachim Opitz
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Patent number: 5879795Abstract: The invention relates to a display screen comprising a phosphor composition of a sulphide and/or selenide-containing phosphor which is provided with a coating which comprises molybdenum (VI)-trioxide. In such display screens, the advantages of the efficient sulphide or selenide-containing phosphors can be used and said display screens remain bright and rich in contrast for a long period of time because the coating, which comprises molybdenum (VI)-trioxide, surprisingly acts as a stabilizing protective coating which limits the corrosion processes in sulphide and/or selenide-containing phosphors induced by low-energy radiation.Type: GrantFiled: December 11, 1995Date of Patent: March 9, 1999Assignee: U.S. Philips CorporationInventors: Markus Haase, Helmut Bechtel, Wolfram Czarnojan, Joseph Lauter
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Patent number: 5760542Abstract: A color display device, with an electron beam source and with an arrangement of pixels defined by blue, green and red-luminescing material, and including means for exciting the pixels, by scanning the pixel arrangement with excitation pulses a line at a time, exhibits enhanced luminance, is enhanced at a given radiation power and improved linearity of the luminance in dependence upon the electron energy density, by using luminescent materials at least two of which have a luminescence decay time shorter than the excitation pulse lengths.Type: GrantFiled: September 16, 1996Date of Patent: June 2, 1998Assignee: U.S. Philips CorporationInventors: Helmut Bechtel, Wolfram Czarnojan, Markus Haase
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Patent number: 5756224Abstract: An organic electroluminescent component with a layer structure comprisinga) a substrate layer,b) a first transparent electrode layer,c) one or several functional optoelectronic layer(s) withc1) possibly, one or several p-type organic materials with one or several singlet states and one or several triplet states, andc2) a luminescent material with one or several organometallic complexes of a rare earth metal ion with organic ligands, in which the rare earth metal ion has an emitting state and the organic ligands have one or several singlet states and one or several triplet states, andc3) one or several n-type organic materials with one or several singlet states and one or several triplet states, andd) a second electrode,wherein the triplet state of lowest energy of the ligands is lower than the triplet states of lowest energy of the n-type and/or the p-type organic materials but higher than above the emitting state of the rare earth metal ion excels through a surprisingly increased luminous efficacy, and in adType: GrantFiled: August 10, 1995Date of Patent: May 26, 1998Assignee: U.S. Philips CorporationInventors: Herbert Friedrich Borner, Ulrich Kynast, Wolfgang Busselt, Markus Haase
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Patent number: 5739632Abstract: The invention relates to a display screen comprising a phosphor composition of a sulphide and/or selenide-containing phosphor which is provided with a coating which comprises one or more catena-polyphosphates of one or more alkaline earth metals, zinc, cadmium and/or manganese. In such a display screen, in particular a low-energy cathode ray display screen, the advantages of the efficient sulphide or selenide-containing phosphors can be used and said display screen remains bright and rich in contrast for a long period of time because the coating acts as a stabilizing protective coating which limits the corrosion processes in sulphide and/or selenide-containing phosphors induced by low-energy radiation.Type: GrantFiled: December 1, 1995Date of Patent: April 14, 1998Assignee: U.S. Philips CorporationInventors: Markus Haase, Helmut Bechtel, Wolfram Czarnojan, Walter Mayr, Joseph Lauter
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Patent number: 5684358Abstract: The invention relates to a display screen comprising a phosphor composition of a sulphide and/or selenide-containing phosphor which is provided with a coating which is composed of germanium disulphide and/or germanium diselenide. In such a display screen, in particular a low-energy cathode ray display screen, the advantages of the efficient sulphide or selenide-containing phosphors can be used and said display screen remains bright and rich in contrast for a long period of time because the coating, which is composed of germanium disulphide and/or germanium diselenide, surprisingly acts as a stabilizing protective coating which limits the corrosion processes in sulphide and/or selenide-containing phosphors induced by low-energy radiation.Type: GrantFiled: November 22, 1995Date of Patent: November 4, 1997Assignee: U.S. Philips CorporationInventors: Markus Haase, Helmut Bechtel, Wolfram Czarnojan, Dieter Wadow