Patents Assigned to Merck Patent GmbH
  • Electrooptical liquid crystal system
    Publication number: 20020158227
    Abstract: The invention relativ to an electroptical system
    Type: Application
    Filed: March 18, 2002
    Publication date: October 31, 2002
    Applicant: Merck Patent GmbH
    Inventors: David Coates, Owain Parri, Simon Greenfield, Martin Tillin, Mark Goulding, Patrick Nolan
  • Pigment preparation
    Publication number: 20020157574
    Abstract: The present invention relates to a pigment preparation comprising BiOCl pigments, one or more luster pigments and spherical particles, and to the use thereof in printing inks, security printing inks, surface coatings, paints, plastics and in cosmetic formulations.
    Type: Application
    Filed: April 29, 2002
    Publication date: October 31, 2002
    Applicant: Merck Patent GmbH
    Inventors: Joachim Weitzel, Wolfgang Hechler
  • Vinylene and ethyl compounds
    Patent number: 6468608
    Abstract: Vinyldene and ethyl compounds of the formula I in which R1, R2, A1, Z1, Z2, Z3, m, n and R are as defined herein, where at least one of Z1 to Z3 is wherein L1 to L6 are each H or F and at least one of L1 to L2 is F or at least one of L3 to L6 is F, are suitable as components of liquid-crystalline media.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: October 22, 2002
    Assignee: Merck Patent GmbH
    Inventors: Matthias Bremer, Detlef Pauluth, Kazuaki Tarumi, Joachim Krause, Michael Heckmeier
  • Contaminant reduced marine oil
    Patent number: 6469187
    Abstract: Process for the preparation of oil of marine origin with reduced content of polychlorinated dioxins, furans, biphenyls and polycyclic aromatic hydrocarbons. The oil obtainable by the process has combined concentrations of polychlorinated dioxins, furans and biphenyls in a range from 0.05-6 (ng TEQ/kg oil) and is used in foodstuffs or pharmaceutical formulations.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: October 22, 2002
    Assignee: Merck Patent GmbH
    Inventors: Charles W. Craven, Tommy Morrison
  • Pigment preparation for anticorrosion paints
    Publication number: 20020148390
    Abstract: The invention relates to pigment preparations for anticorrosion paints which are employed in primers for metallic objects, have a good corrosion-protection action and consist of from 1 to 99% by weight of one or more compounds which absorb OH− ions and from 1 to 99% by weight of one or more compounds which catalyze an oxygen-reduction reaction on a metallic substrate.
    Type: Application
    Filed: February 13, 2002
    Publication date: October 17, 2002
    Applicant: Merck Patent GmbH
    Inventor: Ralf Glausch
  • Thienopyrimidines
    Publication number: 20020132818
    Abstract: The thienopyrimidines of the formula (I) and their physiologically compatible salts display a phosphodiesterase V inhibiting activity and can be used for treating diseases of the cardiovascular system and for treatment and/or therapy of erectile dysfunction.
    Type: Application
    Filed: May 16, 2002
    Publication date: September 19, 2002
    Applicant: Merck Patent GmbH
    Inventors: Rochus Jonas, Pierre Schelling, Franz-Werner Kluxen, Maria Christadler
  • Polyesters containing (meth)acrylate end groups
    Publication number: 20020132961
    Abstract: The invention describes polyesters containing (meth)acrylate end groups, of the general formula (I) CH2═CRCOO—PE—OCOCR═CH2 where R=CH3 or H, where PE=[—A—OCO—B—COO—]m—A—, [—CHR′—COO—]n—A—[—OCOCHR′—]n, or combinations thereof, in which A is an alkylidene radical having 2-20 carbon atoms or an alkoxylidene radical having 2-1000, preferably 2-500, alkoxylidene units, B is a saturated alkylidene radical having 2-10 carbon atoms, R′ is H or CH3, m is 1-100, n is 1-100, and, if both m and n are present, the sum m+n is 2-200, where the polyesters containing (meth)acrylate end groups are characterised in that a) the content of short-chain di(meth)acrylates (II) CH2═CRCOO—A—OCOCR═CH2 is <5% by weight, b) the content of hydroxyl groups is <0.25 mol/mol of (meth)acrylate, and c) the APHA color number is <200.
    Type: Application
    Filed: January 14, 2002
    Publication date: September 19, 2002
    Applicant: Merck Patent GmbH
    Inventors: Werner Siol, Peter Pokinskyj
  • Pigment modification improving handling characteristics
    Patent number: 6451102
    Abstract: The present invention is directed to a process for producing a master batch of pigment, comprising mixing a pigment having a high aspect ratio, embedded in a material increasing bulk density of the pigment, with a plastic so as to produce a dispersion of pigment and plastic.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: September 17, 2002
    Assignee: Merck Patent GmbH
    Inventors: Robin Hilder, Manfred Kieser
  • Fluoroalkylphosphate salts, and process for the preparation of these substances
    Publication number: 20020122979
    Abstract: Fluoroalkylphosphate salts of Formula I, described herein, are suitable for use, alone or in mixtures with, e.g., other salts, in electrolytes, primary batteries, secondary batteries, capacitors, supercapacitors or galvanic cells.
    Type: Application
    Filed: February 25, 2002
    Publication date: September 5, 2002
    Applicant: Merck Patent GmbH
    Inventors: Michael Schmidt, Andreas Kuh ner, Nikolai Ignatyev, Peter Sartori
  • Liquid crystal propene or propenyl nitrile derivatives
    Patent number: 6444279
    Abstract: Acetylene derivatives of the formula I in which R, A1, A2, Z1, Z2, Z3, L1, L2, L3, Y, m and n are as defined herein are suitable as components of liquid-crystalline media.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: September 3, 2002
    Assignee: Merck Patent GmbH
    Inventors: Volker Reiffenrath, Harald Hirschmann
  • Plastic part comprising lustrous pigments and filler particles
    Publication number: 20020120051
    Abstract: The invention relates to a plastic part having lustrous pigments and filler particles. Moldings of this plastic part exhibit a pronounced glitter effect.
    Type: Application
    Filed: February 11, 2002
    Publication date: August 29, 2002
    Applicant: Merck Patent GmbH
    Inventors: Hans-Jurgen Brehm, Manfred Kieser, Emil Aust
  • Dialkyne compounds
    Publication number: 20020117650
    Abstract: Described are dialkyne compounds of the formula I 1
    Type: Application
    Filed: July 19, 2001
    Publication date: August 29, 2002
    Applicant: Merck Patent GmbH
    Inventors: Volker Reiffenrath, Georg Lussem
  • Sulphonyloxazolamines as therapeutic active ingredients
    Patent number: 6441013
    Abstract: The present invention relates to sulphonylexazolamines of general formula (I), wherein R1, R2 represent independently from each other H, A, —(CH2)n—Ar or alkenyl with 2-6 C atoms, R1 and R2 together also represent a mononuclear saturated heterocycle with 1-2 N, O and/or S atoms, Z is H, A, CF3, NO2, Hal, OH, OA, NH2, NHA or NH2. A represents alkyl with 1-6 C atoms, Ar is Z-monosubstituted or Z-disubstituted phenyl, Hal is F, Cl, Br, or L n is 1 or 2 of the physiologically acceptable salts or solvates thereof. Said sulphonyloxazolamines are used as therapeutic active ingredients. The invention also relates to the use of sulphonyloxazolamines as therapeutic active ingredients and/or to the production of pharmaceutical preparations to combat diseases of the central nervous system. The invention further relates to a pharmaceutical preparation and the production thereof.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: August 27, 2002
    Assignee: Merck Patent GmbH
    Inventors: Hartmut Greiner, Gerd Bartoszyk, Henning Böttcher, Gerhard Barnickel, Bertram Cezanne
  • Process for the preparation of vinylene carbonate, polyvinylene carbonate and the use thereof and the preparation of a lithium ion battery comprising said vinylene carbonate
    Publication number: 20020107407
    Abstract: The invention relates to a process for the preparation of vinylene carbonate of the formula (I) 1
    Type: Application
    Filed: April 4, 2002
    Publication date: August 8, 2002
    Applicant: Merck Patent GmbH
    Inventors: Bernhard Seifert, Sylvia Becker, Mark Neuschutz
  • Laser-markable plastics and their preparation and use
    Publication number: 20020107305
    Abstract: The invention relates to a laser-markable transparent or translucent plastics which comprise pearlescent pigments in combination with laser-sensitive pigments which themselves do not exhibit any pearlescent effect. The pigment combination considerably improves the scanner legibility of applied laser markings. The invention also relates to a process for preparing the plastics, to the use of the plastics for producing moldings, to moldings produced in this way, and generally to the use of a mixture made from pearlescent pigment and laser-sensitive pigment in laser-markable plastics, for improving the scanner legibility of laser markings applied to the plastics.
    Type: Application
    Filed: December 18, 2001
    Publication date: August 8, 2002
    Applicant: Merck Patent GmbH
    Inventor: Gerhard Edler
  • Catalyst system
    Patent number: 6420302
    Abstract: The present invention generally relates to a catalyst system. The catalyst system can include a metal dioxide of titanium dioxide or hafnium dioxide, as well as a cocatalys of the general formula (IV) or (V): M′(s+)(O-isopropyl)s  (IV) R3SiX  (V) where: M′ is Al, Ca, Na, K, Si or Mg, s is an integer from 1 to 4 and is the oxidation state of the metal, R is alkyl having 1 to 10 C atoms or aryl having 6 to 20 C atoms, and X is F, Cl, Br, CN; or the general formulae (CH3)2Clsi(CH2)2SiCl(CH3)2 (CH3)2ClSi(CH2)3CN [(CH3)3Si]2O [(CH3)3Si]2NH or [(CH3)3Si]2.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: July 16, 2002
    Assignee: Merck Patent GmbH
    Inventors: Herwig Buchholz, Urs Welz-Biermann
  • Process for the preparation of ortho-substituted arylmetal compounds and their reaction with electrophilic reagents
    Patent number: 6420584
    Abstract: Ortho-substituted arylmetal compounds are prepared by deprotonation of aromatics which have a hydrogen atom in the ortho position relative to at least one halogen atom, one trifluoromethoxy group, one dialkylamino group, one nitrile group, one alkoxy group or one dialkylamido group. The arylmetal compounds can then be reacted with electrophilic reagents. Deprotonation of the aromatics is carried out using alkyl- or arylmetal compounds or metal hydrides in the presence of a catalytic amount of a secondary metal amide.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: July 16, 2002
    Assignee: Merck Patent GmbH
    Inventors: Hans Christian Stiasny, Volker Reiffenrath
  • Liquid-crystalline medium and liquid-crystal display containing same
    Patent number: 6419999
    Abstract: Liquid-crystalline media comprising one or more compounds of each of the formulae I and II in which R1, R21, R22, L, Y21, Y22, n and m are as defined herein, and liquid-crystal displays containing same, have low frequency dependence of the dielectric properties in particular at low temperatures.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: July 16, 2002
    Assignee: Merck Patent GmbH
    Inventors: Kazuaki Tarumi, Marcus Reuter, Eike Poetsch, Michael Schwarz, Volker Reiffenrath
  • Tetrakisfluoroalkylborate salts and their use as conducting salts
    Publication number: 20020090547
    Abstract: The present invention relates to tetrakisfluoroalkylborate salts, methods of producing same, and their use in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.
    Type: Application
    Filed: November 9, 2001
    Publication date: July 11, 2002
    Applicant: Merck Patent GmbH
    Inventors: Michael Schmidt, Andreas Kuhner, Helge Willer, Eduard Bernhardt
  • Liquid-crystal medium, and electro-optical display containing the medium
    Publication number: 20020084443
    Abstract: A liquid-crystal medium comprising a) at least one compound of the formula I and b) at least one compound of the formula II 1
    Type: Application
    Filed: March 26, 2001
    Publication date: July 4, 2002
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Dagmar Klement, Matthias Bremer