Patents Assigned to Merck KGaA
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Patent number: 11603479Abstract: The present invention relates to a formulation containing at least one organic functional material and at least three different organic solvents, selected from at least two different organic solvents A and at least one organic solvent B, wherein at least one organic solvent A has a boiling point in the range from 250 to 350° C. and a viscosity of ?15 mPas, the at least one organic solvent B has a boiling point in the range from 200 to 350° C. and a viscosity of ?10 mPas, and the solubility of the at least one organic functional material in the second organic solvent B is ?5 g/l; as well as to electroluminescent devices prepared by using these formulations.Type: GrantFiled: June 12, 2019Date of Patent: March 14, 2023Assignee: MERCK KGAAInventors: Gaëlle Béalle, Christoph Leonhard, Hsin-Rong Tseng, Manuel Hamburger, Margarita Wucherer-Plietker
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Publication number: 20100181533Abstract: Disclosed are novel liquid-crystal compounds, processes and intermediates for the preparation thereof, the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, and to LC media and LC displays containing the same.Type: ApplicationFiled: January 15, 2010Publication date: July 22, 2010Applicant: MERCK KGAAInventors: Axel Jansen, Detlef Pauluth, Bernd Fiebranz, Bernhard Rieger
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Publication number: 20080152835Abstract: The present invention is directed to methods for patterning surfaces using contact printing and pastes, pastes for use with the processes, and products formed therefrom.Type: ApplicationFiled: December 5, 2007Publication date: June 26, 2008Applicants: Nano Terra Inc., Merck KGaAInventors: Brian T. Mayers, Jeffrey Carbeck, Wajeeh Saadi, George M. Whitesides, Ralf Kugler, Monika Kursawe, Johannes Canisius
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Patent number: 7105209Abstract: The invention relates to an alignment layer comprising a polymerized liquid crystal material with homeotrophic orientation, to methods of its preparation, to polymerizable liquid crystal compositions and liquid crystal polymers used for the preparation of the alignment layer, to liquid crystal devices comprising the alignment layer, and to a method of controlling the electrooptical steepness of a liquid crystal display comprising at least one alignment layer by varying the surface anchoring energy of the alignment layer.Type: GrantFiled: November 22, 2001Date of Patent: September 12, 2006Assignee: Merck KGaAInventors: Michael Heckmeier, Melanie Klasen-Memmer, Georg Lüssem, Kazuaki Tarumi, David Coates, Owain Llyr Parri, Mark Verrall, Mark John Goulding, Stephen Christopher Kitson
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Patent number: 7105586Abstract: The invention relates to an optical retardation film comprising two layers of an anisotropic polymer adjacent to each other or adjacent to both sides of a substrate, characterized in that each layer exhibits a tilted structure with an optical symmetry axis having a tilt angle ? relative to the plane of the layer, to a means to produce substantially linear polarized light comprising such an optical retardation film and to a liquid crystal display comprising such an optical retardation film.Type: GrantFiled: March 3, 2004Date of Patent: September 12, 2006Assignee: Merck KGaAInventors: Mark Verrall, Mark Goulding, Quentin Hodges, Ben Godden
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Publication number: 20040169159Abstract: Novel phenylcyclohexanes of the formula I 1Type: ApplicationFiled: September 28, 2001Publication date: September 2, 2004Applicant: MERCK KGAAInventors: Andreas Wachtler, Reinhard Hittich, Eike Poetsch, Herbert Plach, David Coates, Bernhard Rieger, Joachim Krause
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Patent number: 6708882Abstract: The present invention concerns a method of representing chemical structural formulae on a display device by means of a chemical symbol or graphic program for producing chemical structural formulae, and a system for representing chemical structural formulae having an apparatus for carrying out the method according to one of claims 1 to 3, comprising a computer and a symbol or graphic program installable thereon for representing chemical structural formulae and at least one memory.Type: GrantFiled: December 17, 2001Date of Patent: March 23, 2004Assignee: Merck KGaAInventor: Klemens Bley
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Patent number: 6573393Abstract: The invention relates to a method for producing L-ascorbic acid from 2-keto-L-gulonic acid or 2,3-4,6-diacetone-2-keto-L-gulonic acid. The reaction is carried out in the presence of water and hydrogen halide and the concentration of the hydrogen halide in water is greater than 37 wt. %.Type: GrantFiled: August 6, 2001Date of Patent: June 3, 2003Assignee: Merck KGAAInventors: Ulrich Fechtel, Wolfgang Heinz, Klaus Beschmann, Bernd Müller, Jöran Stoldt
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Publication number: 20030080321Abstract: The invention relates to compounds of formula I 1Type: ApplicationFiled: April 5, 2002Publication date: May 1, 2003Applicant: MERCK KGAAInventors: Louise Diane Farrand, Christopher Peter Worrall, Owain Llyr Parri, Ian Victor Edward Hassal, Julian Frederick Samuel Vaughan-Spickers
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Publication number: 20030069444Abstract: The invention relates to a process for the preparation of ortho-alkylated benzoic acid derivatives of the formula I 1Type: ApplicationFiled: October 8, 2002Publication date: April 10, 2003Applicant: MERCK KGAAInventors: Ekkehard Bartmann, Ingeborg Stein
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Patent number: D818526Type: GrantFiled: August 10, 2016Date of Patent: May 22, 2018Assignee: Merck KGaAInventors: Richard Holt, Andrew Millington, Vinay Mistry, Stuart Dickinson
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Patent number: D893998Type: GrantFiled: June 28, 2018Date of Patent: August 25, 2020Assignee: Merck KGaAInventors: Mark Hinkle, Jeffrey Whitford
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Patent number: D893999Type: GrantFiled: May 4, 2020Date of Patent: August 25, 2020Assignee: Merck KGaAInventors: Mark Hinkle, Jeffrey Whitford
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Patent number: D902710Type: GrantFiled: July 10, 2020Date of Patent: November 24, 2020Assignee: Merck KGaAInventors: Mark Hinkle, Jeffrey Whitford
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Patent number: D922197Type: GrantFiled: September 24, 2020Date of Patent: June 15, 2021Assignee: Merck KGaAInventors: Mark Hinkle, Jeffrey Whitford
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Patent number: D942268Type: GrantFiled: April 29, 2021Date of Patent: February 1, 2022Assignee: Merck KGaAInventors: Mark Hinkle, Jeffrey Whitford
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Patent number: D951352Type: GrantFiled: November 20, 2019Date of Patent: May 10, 2022Assignee: Merck KGaAInventors: Sven Erfurth, Christian Kuechenthal, Jeffrey Whitford
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Patent number: D951768Type: GrantFiled: December 21, 2021Date of Patent: May 17, 2022Assignee: Merck KGaAInventors: Mark Hinkle, Jeffrey Whitford
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Patent number: D969605Type: GrantFiled: March 22, 2022Date of Patent: November 15, 2022Assignee: Merck KGaAInventors: Mark Hinkle, Jeffrey Whitford
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Patent number: D980323Type: GrantFiled: April 1, 2021Date of Patent: March 7, 2023Assignee: Merck KGaAInventors: Sven Erfurth, Christian Kuechenthal, Jeffrey Whitford