Patents by Inventor Ralf Neigl

Ralf Neigl 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).

  • Patent number: 7214752
    Abstract: Homopolymers suitable for storage of information provided optically are disclosed.
    Type: Grant
    Filed: November 29, 2004
    Date of Patent: May 8, 2007
    Assignee: Bayer MaterialScience AG
    Inventors: Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder
  • Patent number: 7190506
    Abstract: An electrochromic device which carries a coating comprising at least one UV absorber and nanoparticles is effectively protected against destruction by UV light.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: March 13, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Werner Hoheisel, Ralf Neigl, Hermann Womelsdorf
  • Patent number: 7106489
    Abstract: An electrochromic device comprising a pair of glass, plastic plates or plastic films At least one plate or film, is provided with an electrically conductive coating. At least one plate or film and its conductive coating are transparent and the other may be mirrored. The plates or films are joined together and form a volume filled with an electrochromic medium which comprises at least one reducible electrochromic substance OX2 and at least one oxidizable electrochromic substance RED1. The OX2 corresponds to the formula in which R201 and R202, each are alkyl, cycloalkyl, alkenyl, aralkyl, aryl, ?[C(PQ)]? or a bivalent bridge B, Z201 is a bivalent radical of the formulae CR210R211, O, C?O or o-phenylene, R210 and R211, each are hydrogen, methyl or ethyl, or CR210R211 is C3- to C7-cycloalkane-1,1-diyl. The rings C, D, E and F, each may be substituted by up to 4 alkyl and/or alkoxy radicals, or respectively, may be linked via a —(CH2)4— or —CH?CH—CH?CH— bridge. P and Q, each are —CN or —COO-alkyl.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: September 12, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Ralf Neigl, Igor Shelepin, Vladimir Gavrilov
  • Publication number: 20060172425
    Abstract: A colored intercapsular buffer solution is used to reduce erroneous results from the absorption or carryover of small amounts of reagent R1 and/or R2 into the intercapsular buffer solution segment in the analytical line of a capsule chemistry liquid analysis system in an automated clinical analyzer. The absorption of small amounts of the regent R1 and/or R2 in the intercapsular buffer solution leads to erroneous results in the analysis of the test sample, S, because the R1 and/or R2 that is carried over and absorbed into the buffer does not react with test sample S. The R1/R2 carryover can be measured and determined by monitoring the absorbance of the colored buffer solution, wherein the change in absorbance can be measured and compared to a reference value. The sample is automatically retested if an unacceptable change in absorbance occurs.
    Type: Application
    Filed: February 1, 2005
    Publication date: August 3, 2006
    Applicant: BAYER HEALTHCARE, LLC
    Inventors: Ralf Neigl, Michael Sommer, Bronislaw Czech, Horst Berneth, Alan Toth, Josef-Walter Stawitz
  • Publication number: 20060110831
    Abstract: This invention significantly reduces the frequency of hydraulic failure in the analytical line of a capsule chemistry sample liquid analysis system which can occur when the reagents required for the specific analytical test have an imperfect merger with the sample aliquot reagent in the vanish zone of the analytical line. It has been found that the dynamic surface tension of the sample aliquot reagent and the analytical reagent influence the merging process. It has also been found that optimum merging of these reagent capsules in the vanish zone can be obtained when the dynamic surface tension of the sample aliquot reagent and analytical reagent is different.
    Type: Application
    Filed: November 24, 2004
    Publication date: May 25, 2006
    Applicant: BAYER HEALTHCARE, LLC
    Inventors: Johan Kijlstra, Dieter Ruehle, Ralf Neigl, Paul Gherson, Germaine Tarcu
  • Patent number: 7002555
    Abstract: The display device with touch sensor according to the invention consists of an electrochromic cell known per se or a liquid crystal cell, which is located between two transparent plates, a transparent cover plate and a transparent support plate. A radiation source whose light enters the cover plate and illuminates it is arranged on at least one of the end faces of the transparent cover plate. At least one photodetector, in whose photosensitive solid angle range some or all of the cover plate surface lies, is mounted on the support plate is.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: February 21, 2006
    Assignee: Bayer Innovation GmbH
    Inventors: Wolfgang Jacobsen, Ralf Neigl
  • Patent number: 6930815
    Abstract: The invention relates to electrochromic side-chain oligomers or polymers which can be used as electrochromic media.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: August 16, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Wolfgang Jacobsen, Serguei Kostromine, Ralf Neigl
  • Patent number: 6875833
    Abstract: Disclosed are monomers which contain groups that are at least trinuclear, which are capable of absorbing the electromagnetic radiation of visible light, and which are structured such that in their thermodynamically stable state they are distended and strongly anisometric. Homopolymers prepared from such monomers, a process of preparing such homopolymers, and articles comprising such homopolymers are also disclosed. The trinuclear groups of the monomers include at least one electron-attracting substituent which gives rise to a dipole moment which forms an angle of at least 20° with the longitudinal axis of the trinuclear groups.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: April 5, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder
  • Publication number: 20050070678
    Abstract: Homopolymers suitable for storage of information provided optically are disclosed.
    Type: Application
    Filed: November 29, 2004
    Publication date: March 31, 2005
    Inventors: Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder
  • Patent number: 6785036
    Abstract: The invention describes an electrochromic display element in the form of an electrically dimmable mirror, an optical filter having an electrically alterable transparency or a display element which contains an electrochromic liquid between two electrode sheets, where at least one of the electrode sheets is transparent and has a transparent, electrically conductive layer and the transparent electrode sheet has a pattern of strips or grid made of a material having metallic conductivity in order to produce a uniform coloration of the electrochromic liquid.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: August 31, 2004
    Assignee: Bayer Healthcare AG
    Inventors: Horst Berneth, Uwe Claussen, Ralf Neigl, Wolfgang Jacobsen
  • Publication number: 20040099060
    Abstract: The present invention relates to a device for characterizing a capillary system in terms of wettability and geometry. The capillary pressure related to the presence of a meniscus inside an capillary system between a liquid/gas or liquid/liquid interface is measured.
    Type: Application
    Filed: November 23, 2002
    Publication date: May 27, 2004
    Inventors: Johan Kijlstra, Dipl.-Ing. Dieter Ruhle, Ralf Neigl
  • Patent number: 6731433
    Abstract: The present invention relates to a device for generating light signals, in particular traffic lights. The device according to the invention contains a housing with at least one opening, which is closed by a plate, the absorption of which can be controlled electrically, there being located in the interior of the housing behind the opening a diffuser element, which reflects incident light through the plate. Preferred switched states of the plate are either black (absorption over the entire spectral region of visible light) and colored transparent (slight absorption in specific spectral regions) or transparent (no absorption over the entire spectral region of visible light). The device according to the invention is used to generate light signals by virtue of the fact that the ambient light strikes the plate and, depending on switched state, is absorbed entirely, partially or not at all by the plate.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: May 4, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Jacobsen, Ralf Neigl, Horst Berneth
  • Publication number: 20030206326
    Abstract: An electrochromic device comprising a pair of glass or plastic plates or plastic films of which at least one plate or film, preferably both plates or films, are provided on in each case one side with an electrically conductive coating, of which at least one plate or film and its conductive coating are transparent, of which the other may be mirrored, and of which in the case of at least one of the two plates or films the electrically conductive layer can be divided into separate, individually contacted area segments, where the plates or films are joined together via a sealing ring on the sides of their conductive coating, and the volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium which comprises at least one reducible electrochromic substance OX2 and at least one oxidizable electrochromic substance RED1, characterized in that one OX2 corresponds to the formula 1
    Type: Application
    Filed: June 2, 2003
    Publication date: November 6, 2003
    Inventors: Horst Berneth, Ralf Neigl, Igor Shelepin, Vladimir Gavrilov
  • Patent number: 6631023
    Abstract: Electrochromic display device comprising a pair of glass or plastic plates or plastic films of which at least one plate or film or both plates or films is/are provided on one side each with an electrically conducting coating. At least one plate or film and its conductive coating is transparent. On at least one of the two plates or films, the electrically conductive layer is divided into separate segments which are individually connected to a power source and each has an electric lead from the edge of the device. The plates or films are joined via a sealing ring on the sides on which they are conductively coated. The volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium. The electric leads to the segments are electrically insulated from the electrochromic medium.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: October 7, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Uwe Claussen, Ralf Neigl, Dietrich Haarer, Stephan C. Schmidt, Wolfgang Jacobsen
  • Patent number: 6620920
    Abstract: The invention provides an optical method which permits, with the aid of 6 simple measurements, a conclusion regarding the suitability of antennas (groups which can absorb electromagnetic radiation) for incorporation into photoaddressable polymers.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: September 16, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Joachim Rübner, Ralf Ruhmann
  • Patent number: 6600589
    Abstract: The invention relates to a light-protected electrochromic device containing a pair of glass or plastic sheets or plastic films. One side of at least one of said sheets or films, preferably both sheets or films, is provided with an electroconductive coating. At least one of said sheets or films and its electroconductive coating are transparent and the other can be metallized. The electroconductive coating of at least one of the two sheets or films can be divided up into separate, individually contacted surface segments. The sheets or films are joined by a sealing ring on the sides of their electroconductive coatings and the volume created by the sheets or films and the sealing ring is filled with an electrochromic medium. The invention is characterized in that the electrochromic device contains a yellow filter for which the wavelength at which absorbance in the long-wave flank reaches half of the very long-wave maximum absorbance value is between 370 and 500 nm, preferably between 380 and 470 nm.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: July 29, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Stephan Michaelis, Ralf Neigl, Hermann Jens Womelsdorf
  • Publication number: 20030103256
    Abstract: The invention relates to an electrochromic contrast plate which is either arranged as a discrete unit in front of the screen or is connected to the outer surface of the screen through a common sheet, consisting of a pair of transparent glass or plastic sheets which are provided, on one side each, with an electroconductive, transparent coating, and which are joined together on the sides of their conductive coating via a sealing ring, and in which the volume formed by the two sheets and the sealing ring is filled with an electrochromic medium, characterized in that the electrochromic medium is a liquid, a gel or a polymer.
    Type: Application
    Filed: September 18, 2001
    Publication date: June 5, 2003
    Inventors: Horst Berneth, Wolfgang Jacobsen, Serguei Kostromine, Ralf Neigl
  • Publication number: 20030083449
    Abstract: Homopolymers suitable for storage of information provided optically are disclosed.
    Type: Application
    Filed: July 3, 2002
    Publication date: May 1, 2003
    Inventors: Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder
  • Patent number: 6545793
    Abstract: This invention relates to electrochromic devices containing UV-protected electrochromic solutions comprising at least one oxidizable substance RED1 and at least one reducible substance OX2 linked by a bridging group and a UV absorber component.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: April 8, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Helmut-Werner Heuer, Ralf Neigl
  • Patent number: 6509999
    Abstract: An electrochromic device comprising a pair of glass or plastic plates or plastic films of which at least one plate or film, preferably both plates or films, are provided on in each case one side with an electrically conductive coating, of which at least one plate or film and its conductive coating is transparent, of which the other may be mirrored, and of which in the case of at least one of the two plates or films the electrically conductive layer can be divided into separate, individually contacted area segments and the conductive coatings can be connected at at least one point to an electrical conductor, where the plates or films are joined together via a sealing ring on the sides of their conductive coating, and the volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium which comprises at least one reducible electrochromic compound OX2 and at least one oxidizable electrochromic compound RED1, in which the electrochromic medium also comprises a further reducib
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: January 21, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Igor Shelepin, Vladimir Gavrilov, Horst Berneth, Wolfgang Jacobsen, Ralf Neigl