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.
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.
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.
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
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
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
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
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.
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.
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
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
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
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
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.
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
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