Patents Assigned to Merck Patent GmbH
  • Patent number: 6866710
    Abstract: The present invention relates to inorganic spherical absorption pigments which have a bimodal particle-size distribution, at least one color-providing layer and a final SiO2 layer, and to the use thereof in paints, coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, as tracers, in cosmetic formulations and for the preparation of pigment preparations and dry preparations.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: March 15, 2005
    Assignee: Merck Patent GmbH
    Inventors: Lilia Heider, Martin Knapp, Gisela Lenz, Norbert Rick
  • Patent number: 6863820
    Abstract: The invention relates to monolithic sorbents with a casing of fiber-reinforced plastic. Through the use of fiber-reinforced plastic having a viscosity of between 40 and 100 ml/10 min by the MVI method, the casing can be applied to the moulding leaving just a small dead space and has adequate mechanical stability.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: March 8, 2005
    Assignee: Merck Patent GmbH
    Inventors: Karin Cabrera, Alexander Kraus, Willi Neuroth, Dieter Lubda
  • Patent number: 6864017
    Abstract: The invention relates to a method of preparing lithium complex salts and their intermediaries and to the use of these in electrolytes.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: March 8, 2005
    Assignee: Merck Patent GmbH
    Inventors: Andrei Leonov, Armin de Meijere, Michael Schmidt
  • Patent number: 6863841
    Abstract: New oxadiazole derivatives comprising one or more identical or different recurring units of formula I wherein W, M, w, m1, m2, p1, p2, and Y1 to Y4 are as defined herein are suitable for use in liquid crystalline mixtures, polymerizable and polymer materials.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: March 8, 2005
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Alexander Hahn
  • Patent number: 6864985
    Abstract: A method and a device for the measurement of turbidity in liquids is described, the measurement taking place by reflectometry. Reflectometers into which a cell and a diffuse reflector can be introduced are used. A method for the measurement of turbidity is described, for example for in-process controls or quality controls, which requires significantly less complex equipment than the conventional methods.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: March 8, 2005
    Assignee: Merck Patent GmbH
    Inventor: Dieter Tanzer
  • Patent number: 6860927
    Abstract: The invention relates to polymer beads comprising an anisotropic polymer material with helically twisted structure, to their use in reflective films, spraying or printing inks or as pigments, for optical or electrooptical, decorative or security applications, to a reflective film comprising one or more polymer beads in a transmissive binder, and to a security marking or security device comprising one or more polymer beads or comprising a reflective film.
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: March 1, 2005
    Assignee: Merck Patent GmbH
    Inventors: Matthias Kuntz, David Coates, Simon Greenfield, John Patrick
  • Patent number: 6861107
    Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of compounds of negative dielectric anisotropy comprising one or more polymerizable compounds, and to the use thereof for electro-optical purposes, and to displays containing this medium.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: March 1, 2005
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Dagmar Klement, Matthias Bremer
  • Patent number: 6861527
    Abstract: The present invention relates to a novel process for the nitration of organic compounds, preferably of aromatic and heteroaromatic compounds, using nitrating reagents which are known from the literature and new types of nitrating reagents.
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: March 1, 2005
    Assignee: Merck Patent GmbH
    Inventors: Kai Fabian, Joeran Stoldt, Hanns Wurziger, Norbert Schwesinger
  • Patent number: 6858268
    Abstract: The present invention relates to a liquid-crystalline medium having high twist, to the use thereof for electro-optical purposes, and to displays containing this medium.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: February 22, 2005
    Assignee: Merck Patent GmbH
    Inventors: Juliane Suermann, Meike Krumwiede
  • Patent number: 6858072
    Abstract: This invention provides a highly orientated surface-modified pearl pigment excellent in plane orientation (leafing effect). Disclosed are: a surface-modified pearl pigment wherein fine polymer particles adhere, without being mutually aggregated, to hydrated metal oxides via chemical bonding; a process for producing the same: and use thereof for inks, coatings and plastics.
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: February 22, 2005
    Assignee: Merck Patent GmbH
    Inventors: Bangyin Li, Katsuhisa Nitta
  • Patent number: 6858267
    Abstract: The invention relates to a liquid-crystalline medium comprising one or more compounds of the general formula (I) in which R is an alkyl radical, alkoxy radical or alkenyl radical having from 1 to 7 or 2 to 7 carbon atoms respectively, in which one or more CH2 groups may be replaced by —O— in such a way that oxygen atoms are not adjacent, and in addition further liquid-crystalline compounds.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: February 22, 2005
    Assignee: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Peer Kirsch, Gerald Unger
  • Patent number: 6852900
    Abstract: The present invention relates to a process for the metathesis reaction of unsaturated organic compounds.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: February 8, 2005
    Assignee: Merck Patent GmbH
    Inventors: Hanns Wurziger, Guido Pieper, Norbert Schwesinger
  • Patent number: 6849646
    Abstract: The invention relates to compounds having formula (I), wherein R1, R2, R3, R4, R5, R7, R8, R11, Z, m and n have the meaning cited in claim 1, and to the physiologically acceptable salts and solvates which can be used as integrin inhibitors, especially in the prophylaxis and treatment of circulatory diseases, in case of thrombosis, myocardial infarction, coronary heart diseases, arteriosclerosis, osteoporosis, pathologic processes caused or propagated by angiogenesis and in tumor therapy.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: February 1, 2005
    Assignee: Merck Patent GmbH
    Inventors: Claus Fittschen, Simon Goodman, Joachim März, Peter Raddatz, Matthias Wiesner
  • Patent number: 6849626
    Abstract: The invention relates to semicarbazides of the general formula I where R1, R2, R3, R4 and I have the meaning indicated in claim 1. The compounds of the formula I can be employed as pharmaceutical active compounds in human and veterinary medicine, in particular for the control and prevention of thromboembolic disorders such as thrombosis, mycocardial infarct, arteriosclerosis, inflammation, apoplexy, angina pectoris, restenosis after angioplasty and intermittent claudication.
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: February 1, 2005
    Assignee: Merck Patent GmbH
    Inventors: Werner Mederski, Horst Juraszyk, Dieter Dorsch, Christos Tsaklakidis, Johannes Gleiltz, Christopher Barnes
  • Patent number: 6849762
    Abstract: The invention relates to a method for the production of trifluoroethoxy-substituted benzoic acids, by reaction of a corresponding halogenated benzoic acid with trifluoroethanol in the solvent tetrahydrofuran, in the presence of a base and a copper salt, followed by an acidic work-up.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: February 1, 2005
    Assignee: Merck Patent GmbH
    Inventors: Kai Fabian, Steffen Enke, Herbert Tilly
  • Patent number: 6846523
    Abstract: A liquid-crystalline medium of positive dielectric anisotropy and high optical anisotropy, comprising one or more compounds of the formula I and one or more compounds of the formulae II and/or III and its use in electro-optical displays and projection systems, in particular LCoS™ displays and displays based on a birefringence effect, such as OCB displays, is described.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: January 25, 2005
    Assignee: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Matthias Bremer
  • Patent number: 6845571
    Abstract: The invention can relate to a fluidized bed apparatus with an integrated spray-drying device and to a method for using the same. The invention also can relate to a method for producing a spray-dried powder material, whose product characteristics can be specifically adapted according to the ulterior use of the material.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: January 25, 2005
    Assignee: Merck Patent GmbH
    Inventors: Eugen Schwarz, Gernot Moeschl, Hanspeter Ruetzler, Jean-Marc Dutter
  • Patent number: 6840993
    Abstract: The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO2, a colorless coating and another TiO2 layer. The pigment can optionally have an outer protective layer. These luster pigments are useful and to the use thereof in paints, coatings, printing inks, including security printing inks, plastics, ceramic materials, glasses, cosmetic formulations and for producing pigment preparations and dry product forms such as granules, chips, pellets and briquettes.
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: January 11, 2005
    Assignee: Merck Patent GmbH
    Inventors: Christoph Schmidt, Andrea Heyland, Claudia Fornoff, Hans-Dieter Brückner
  • Patent number: 6841301
    Abstract: The present invention relates to fluoroalkyl phosphates, to a process for the preparation, and to their use as conductive salts in batteries, capacitors, supercapacitors and galvanic cells.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: January 11, 2005
    Assignee: Merck Patent GmbH
    Inventors: Udo Heider, Michael Schmidt, Andreas Kühner, Peter Sartori, Nikolai Ignatyev
  • Patent number: 6838461
    Abstract: Compounds of the formula I in which R1, R2, R4 and R5 have the meanings indicated in claim 1, are potent 5-HT2A antagonists and are suitable for the treatment of psychoses, schizophrenia, depression, neurological disorders, memory disorders, Parkingson's disease, amyotrophic lateral sclerosis, Alzheimer's disease, Huntington's disease, eating disorders such as bulimia, nervous anorexia, premenstrual syndrome and/or for positively affecting compulsive behavior (obsessive-compulsive disorder, OCD).
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: January 4, 2005
    Assignee: Merck Patent GmbH
    Inventors: Henning Boettcher, Christoph Seyfried