Patents Assigned to Merck Patent GmbH
  • Patent number: 6719838
    Abstract: The present invention relates to colored interference pigments based on multicoated, platelet-shaped substrates, which are distinguished in that they comprise (A) a colored coating having a refractive index of n>1.8, (B) a colorless coating having a refractive index of n>1.8, (C) a colorless coating having a refractive index of n≦1.8, (D) a colorless coating having a refractive index of n>1.8, and optionally (E) an outer protective layer, and to their use in paints, surface coatings, printing inks, plastics, ceramic materials, glasses, for laser marking, in cosmetic formulations and for the production of pigment preparations and dry preparations.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: April 13, 2004
    Assignee: Merck Patent GmbH
    Inventors: Lilia Heider, Manuela Loch, Nicole Schupp, Helge Kniess
  • Publication number: 20040067894
    Abstract: The invention relates to a preparation having antioxidant properties, comprising at least one compound of the formula I 1
    Type: Application
    Filed: September 23, 2003
    Publication date: April 8, 2004
    Applicant: Merck Patent GmbH
    Inventors: Christophe Carola, Sophie Perruchon, Herwig Buchholz
  • Patent number: 6716491
    Abstract: A liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, which comprises one or more compounds of the formula I where R1, A1, A2, Z1, Z2, L1, L2 and n are as defined herein, is suitable for use in, for example, MLC, TN and STN displays.
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: April 6, 2004
    Assignee: Merck Patent GmbH
    Inventors: Kazuaki Tarumi, Brigitte Schuler, Matthias Bremer, Ulrich Finkenzeller, Eike Poetsch, Heike Kniel
  • Publication number: 20040063611
    Abstract: The invention relates to a pharmaceutical preparation comprising levothyroxine sodium, gelatine and fillers, which is free of organic solvent residues, and to processes for its production.
    Type: Application
    Filed: September 15, 2003
    Publication date: April 1, 2004
    Applicant: Merck Patent GmbH
    Inventors: Sven Schreder, Marion Nischwitz
  • Publication number: 20040055529
    Abstract: Liquid-crystalline medium having a dielectric anisotropy &Dgr;&egr; of ≧3, comprising compounds of the general formula (I), 1
    Type: Application
    Filed: September 10, 2003
    Publication date: March 25, 2004
    Applicant: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Matthias Bremer, Elena Kress
  • Publication number: 20040058158
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of negative dielectric anisotropy which comprises at least one compound of the formula I 1
    Type: Application
    Filed: September 16, 2003
    Publication date: March 25, 2004
    Applicant: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Eike Poetsch, Volker Reiffenrath
  • Publication number: 20040058132
    Abstract: A method for generating a 3-dimensional effect involves providing at least one first image layer of a chiral liquid crystal material, and at least one second image layer of a chiral liquid crystal material, wherein one of the first and second image layers reflects right-handed circularly polarised light and the other reflects left-handed circularly polarised light, is suitable creating a 3-dimensional image that can be used for decorative and security applications.
    Type: Application
    Filed: July 9, 2003
    Publication date: March 25, 2004
    Applicant: Merck Patent GmbH
    Inventors: Matthias Kuntz, Rodney Riddle, John Patrick, Robert Hammond-Smith
  • Publication number: 20040051831
    Abstract: The invention relates to a compensator comprising a positive and a negative birefringent retardation film, its use in displays and optical elements, and to displays comprising such a compensator.
    Type: Application
    Filed: May 19, 2003
    Publication date: March 18, 2004
    Applicants: Merck Patent GmbH, LG Chemical Ltd.
    Inventors: Jeong Su Yu, Sergey Vasilyevich Belyaev, Byoung Jeon, Karl Skjonnemand, Tara Perrett, Owain Parri
  • Publication number: 20040052743
    Abstract: The present invention relates to five-layered pigments based on multi-coated platelet-shaped substrates which comprise a layer sequence comprising
    Type: Application
    Filed: June 30, 2003
    Publication date: March 18, 2004
    Applicant: Merck Patent GmbH
    Inventors: Christoph Schmidt, Andrea Heyland, Sabine Schoen, Veronika Hochstein, Uta Hensen
  • Publication number: 20040053860
    Abstract: The invention relates to the use of certain flavonoid derivatives for the preparation of formulations which are suitable for the prophylaxis and/or therapy of eczema. The formulations are particularly suitable for the prophylaxis and/or therapy of atopic eczema.
    Type: Application
    Filed: September 2, 2003
    Publication date: March 18, 2004
    Applicant: Merck Patent GmbH
    Inventors: Herwig Buchholz, Corinna Wirth
  • Patent number: 6706921
    Abstract: The invention relates to a method for producing acid addition salts of compounds of formula (I), wherein R1, R2 and R3 represent alkyl with 1 to 12 C-atoms.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: March 16, 2004
    Assignee: Merck Patent GmbH
    Inventors: Ekkehard Bartmann, Michael Kirschbaum
  • Patent number: 6706338
    Abstract: The invention relates to liquid-crystalline compounds of the formula I, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical displays containing such a liquid-crystalline medium.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: March 16, 2004
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Florian Huber, Joachim Krause, Michael Heckmeier, Detlef Pauluth
  • Publication number: 20040047828
    Abstract: The invention relates to the use of one or more compounds selected from the compounds of formulas (Ia) and (Ib), to the physiologically compatible slats of compounds of formulas (Ia) and (Ib), and to the stereoisomeric forms of the compounds of formulas (Ia) and (Ib), whereby R1, R2, R3, R4 and n have the meanings cited in Claim Nr. 1. The compounds are used for producing a cosmetic formulation. The compounds are, for example, advantageously used for protecting cells, proteins and/or biomembranes of the human skin, for protecting the microflora of the human skin, for stabilizing the skin barrier, and/or for ameliorating effects of surfactants.
    Type: Application
    Filed: July 17, 2003
    Publication date: March 11, 2004
    Applicant: Merck Patent GmbH
    Inventors: Joachim Buenger, Hans-Juergen Driller, Roland Martin
  • Patent number: 6703509
    Abstract: The invention relates to a process for the preparation of 5-arylnicotinaldehydes by reduction of the corresponding 5-arylnicotinic acids by catalytic hydrogenation in the presence of carboxylic anhydrides in which the catalyst used is a palladium/ligand complex, characterized in that the molar ratio between palladium and ligand is from 1:5 to 1:15 in the case of monodentate ligands and from 1:2.5 to 1:7.5 in the case of bidentate ligands.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: March 9, 2004
    Assignee: Merck Patent GmbH
    Inventors: Andreas Bathe, Heinz Bokel, Thomas Keil, Ralf Knieriemen, Christoph Murmann
  • Publication number: 20040041125
    Abstract: Compounds of the formula (I) 1
    Type: Application
    Filed: June 9, 2003
    Publication date: March 4, 2004
    Applicant: Merck Patent GmbH
    Inventors: Matthias Bremer, Melanie Klasen-Memmer, Barbara Hornung, Wolfgang Schmidt, Rainer Wingen
  • Patent number: 6695903
    Abstract: The invention relates to novel boron, phosphorus or boron-aluminium dopant pastes for the production of p, p+ and n, n+ regions in monocrystalline and polycrystalline Si wafers, and of corresponding pastes for use as masking pastes in semiconductor fabrication, power electronics or in photovoltaic applications.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: February 24, 2004
    Assignee: Merck Patent GmbH
    Inventors: Armin Kübelbeck, Claudia Zielinski, Lilia Heider, Werner Stockum
  • Patent number: 6696111
    Abstract: A liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula IA and/or IB in which Ra, Rb, Ya, Yb, Za, Zb, La, Lb, c and d are as defined herein, is suitable for use in MLC, TN and STN displays.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: February 24, 2004
    Assignee: Merck Patent GmbH
    Inventors: Michael Heckmeier, Matthias Bremer
  • Patent number: 6696446
    Abstract: Benzoyl derivatives of formula (I) and their physiologically acceptable salts and solvates, in which R1, R2, R3, R4, R5 and R6 have the meanings indicated, inhibit phosphodiesterase IV and can be used for the treatment of allergic diseases, asthma, chronic bronchitis, atopic dermatitis, psoriasis and other skin diseases, inflammatory diseases, auto-immune diseases such as rheumatoid arthritis, multiple sclerosis, Crohn's disease, diabetes mellitus or ulcerative colitis, osteoporosis, transplant rejection reactions, cachexia, tumoral growth or tumoral metastases, septicemia, memory defects, atherosclerosis and AIDS.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: February 24, 2004
    Assignee: Merck Patent GmbH
    Inventors: Rochus Jonas, Michael Wolf, Norbert Beier
  • Publication number: 20040032677
    Abstract: An achromatic quarter wave film (AQWF) comprising at least one quarter wave film (QWF) and at least one half wave film (HWF), each of said QWF and HWF comprising polymerized or vitrified anisotropic material, to methods and materials for the preparation of the AQWF, its use in optical devices like compensators and liquid crystal displays, and to a liquid crystal display comprising such an AQWF.
    Type: Application
    Filed: May 9, 2003
    Publication date: February 19, 2004
    Applicants: Merck Patent GmbH, LG Chemical Ltd.
    Inventors: Jeong Su Yu, Moon Soo Park, Byoung Kun Jeon, Karl Skjonnemand, Kim Staney, Mark Verrall
  • Publication number: 20040026661
    Abstract: A liquid-crystalline medium comprises one or more compounds of the general formula (I)
    Type: Application
    Filed: April 16, 2003
    Publication date: February 12, 2004
    Applicant: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Matthias Bremer, Detlef Pauluth