Patents by Inventor Helge Willner

Helge Willner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8211277
    Abstract: The present invention relates to compounds containing organofluorochlorophosphate anions, the preparation thereof and the use thereof, in particular as ionic liquids.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: July 3, 2012
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Ignatyev, German Bissky, Helge Willner
  • Patent number: 8148443
    Abstract: The present invention relates to oxonium salts having [(Ro)3O]+ cations and sulfonium salts having [(Ro)3S]+ cations, where Ro denotes straight-chain or branched alkyl groups having 1-8 C atoms or phenyl which is unsubstituted or substituted by Ro, ORo, N(Ro)2, CN or halogen, and anions selected from the group of [PFx(CyF2y+1?xHz)6?x]? anions, where 2?x?5, 1?y?8 and 0?z?2y+1, or anions selected from the group of [BFn(CN)4?n]? anions, where n=0, 1, 2 or 3, or anions selected from the group of [(Rf1SO2)2N]? anions or anions selected from the group of [BFWRf24?w]? anions, to processes for the preparation thereof, and to the use thereof, in particular for the preparation of ionic liquids.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: April 3, 2012
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Nikolai (Mykola) Ignatyev, German Bissky, Helge Willner
  • Patent number: 8143452
    Abstract: The invention relates to salts having alkoxytris(fluoroalkyl)borate anions which on the one hand are used for the synthesis of ionic liquids, but on the other hand can be employed per se as ionic liquid, and to processes for the preparation thereof.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: March 27, 2012
    Assignee: Merck Patent GmbH
    Inventors: Nikola (Mykola) Ignatyev, Urs Welz-Biermann, Maik Finze, Eduard Bernhardt, Helge Willner
  • Patent number: 8106217
    Abstract: The present invention relates to ionic liquids of low viscosity and high electrochemical stability, in particular for use in the area of electrochemistry and as solvents for carrying out chemical reactions.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: January 31, 2012
    Assignee: Merck Patent GmbH
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Michael Heckmeier, German Bissky, Helge Willner
  • Patent number: 8101749
    Abstract: The invention relates to a method for producing onium salts with tetrafluoroborate anion by reacting an onium halide with an oxonium tetrafluoroborate, sulfonium tetrafluoroborate, or triphenylcarbonium tetrafluoroborate.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: January 24, 2012
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Andriy Kucheryna, Helge Willner
  • Patent number: 8084617
    Abstract: The invention relates to compounds of the formula (I), in which X, -Q1-Q2- and RF have the meaning indicated in Claim 1, as ionic liquids, and to a process for the preparation thereof.
    Type: Grant
    Filed: January 3, 2005
    Date of Patent: December 27, 2011
    Assignee: Merck Patent GmbH
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, German Bissky, Helge Willner, Andriy Kucheryna
  • Patent number: 7999111
    Abstract: The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 50 to 170° C.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: August 16, 2011
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Andriy Kucheryna, Helge Willner
  • Publication number: 20110190480
    Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for colouring plastics and plastic fibres, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for colouring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.
    Type: Application
    Filed: April 11, 2011
    Publication date: August 4, 2011
    Inventors: Nikolai (Mykola) IGNATYEV, Urs Welz-Biermann, Helge Willner, Maik Finze, Eduard Bernhardt, Andriy Kucheryna
  • Publication number: 20110130589
    Abstract: The invention relates to a process for the preparation of bis(fluoroalkyl)phosphinic acid and/or fluoroalkylphosphonic acid by reaction of, monofluoroalkyltetrafluorophosphorane bis(fluoroalkyl)trifluorophosphorane or tris(fluoroalkyl)difluorophosphorane with water.
    Type: Application
    Filed: July 8, 2009
    Publication date: June 2, 2011
    Applicant: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Nikolai Mykola Ignatyev, Dana Bejan, Helge Willner
  • Publication number: 20110124921
    Abstract: The invention relates to a process for the preparation of bis(fluoroalkyl)phosphinyl chlorides or fluoroalkylphosphonyl dichlorides by reaction of the corresponding bis(fluoroalkyl)phosphinic acid or fluoroalkylphosphonic acid with aryltetrachlorophosphorane as chlorinating agent
    Type: Application
    Filed: June 24, 2009
    Publication date: May 26, 2011
    Applicant: MERCK PATENT GESELLSCHAFT
    Inventors: Nikolai(Mykola) Ignatyev, Dana Bejan, Helge Willner, Emil Aust
  • Patent number: 7939644
    Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for colouring plastics and plastic fibres, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for colouring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: May 10, 2011
    Assignee: Merck Patent GmbH
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Helge Willner, Maik Finze, Eduard Bernhardt, Andriy Kucheryna
  • Publication number: 20110034698
    Abstract: The present invention relates to oxonium salts having [(Ro)3O]+ cations and sulfonium salts having [(Ro)3S]+ cations, where Ro denotes straight-chain or branched alkyl groups having 1-8 C atoms or phenyl which is unsubstituted or substituted by Ro, ORo, N(Ro)2, CN or halogen, and anions selected from the group of [PFx(CyF2y+1?xHz)6?x]? anions, where 2?x?5, 1?y?8 and 0?z?2y+1, or anions selected from the group of [BFn(CN)4?n]? anions, where n=0, 1, 2 or 3, or anions selected from the group of [(Rf1SO2)2N]9? anions or anions selected from the group of [BFWRf24?w]? anions, to processes for the preparation thereof, and to the use thereof, in particular for the preparation of ionic liquids.
    Type: Application
    Filed: October 20, 2010
    Publication date: February 10, 2011
    Inventors: Nikolai(Mykola) Ignatyev, German Bissky, Helge Willner
  • Patent number: 7842804
    Abstract: The present invention relates to salts comprising pyrrolidinium, triazolinium, piperidinium or morpholinium cations that can have substituents thereon and alkyltrifluorophosphate anions, to processes for preparation thereof and to the use thereof, in particular for the preparation of ionic liquids.
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: November 30, 2010
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Nikolai (Mykola) Ignatyev, German Bissky, Helge Willner
  • Publication number: 20100222580
    Abstract: The invention relates to a process for the preparation of onium alkylsulfates by reaction of an onium halide with a symmetrically substituted dialkyl sulfate, in which the alkyl group can have 1 to 14 C atoms, with an asymmetrically substituted dialkyl sulfate, in which one alkyl group can have 4 to 20 C atoms and the second alkyl group denotes methyl or ethyl, with an alkyl trialkylsilyl sulfate, with an alkyl acyl sulfate or with an alkyl sulfonyl sulfate, where the reaction with a dialkyl sulfate is carried out at room temperature.
    Type: Application
    Filed: November 18, 2005
    Publication date: September 2, 2010
    Applicant: MERCK PATENT GMBH
    Inventors: Nikolai Ignatyev, Urs Welz-Biermann, Andriy Kucheryna, Helge Willner
  • Patent number: 7709656
    Abstract: The present invention relates to salts having guanidinium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: May 4, 2010
    Assignee: Merck Patent GmbH
    Inventors: Urs Welz-Biermann, Nikolai (Mykola) Ignatyev, Helge Willner, German Bissky
  • Patent number: 7700781
    Abstract: The invention relates to salts having alkoxytris(fluoroalkyl)borate anions which on the one hand are used for the synthesis of ionic liquids, but on the other hand can be employed per se as ionic liquid, and to processes for the preparation thereof.
    Type: Grant
    Filed: July 9, 2005
    Date of Patent: April 20, 2010
    Assignee: Merck Patent GmbH
    Inventors: Nikola (Mykola) Ignatyev, Urs Welz-Biermann, Maik Finze, Eduard Bernhardt, Helge Willner
  • Patent number: 7692007
    Abstract: The invention relates to a process for the preparation of onium salts having a low chloride content by reaction of an onium chloride with an acid, where the hydrochloric acid forming is removed by azeotropic distillation by coordination to an organic solvent which forms an azeotropic mixture with water.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: April 6, 2010
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Peter Barthen, Helge Willner
  • Publication number: 20100069655
    Abstract: The invention relates to boron-containing acids of the general formula (I) [B(RF)4-x-y(CN)xFy]?H+ (I), where x=0, 1, 2, 3 or 4, y=0, 1, 2 or 3 x+y?4, and in which the ligands RF may be identical or different and RF stands for a perfluorinated or partially fluorinated C1-12-alkyl group and where the CN group is bonded to the B atom via the C atom, and complexes thereof with a solvent, to salts comprising a cation and the anion of a selection of the acids according to the invention, and to processes for the preparation of the salts.
    Type: Application
    Filed: November 25, 2009
    Publication date: March 18, 2010
    Inventors: Maik FINZE, Eduard BERNHARDT, Helge WILLNER, Nikolai (Mykola) IGNATYEV, Urs WELZ-BIERMANN
  • Patent number: 7645434
    Abstract: A process for the preparation of alkali metal cyanoborates, the further conversion thereof into salts comprising cyanoborate anions and organic cations, these salts, and the use thereof as ionic liquids are described.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: January 12, 2010
    Assignee: Merck Patent GmbH
    Inventors: Urs Welz-Biermann, Nikolai (Mykola) Ignatyev, Eduard Bernhardt, Maik Finze, Helge Willner
  • Publication number: 20100004461
    Abstract: The present invention relates to compounds containing organofluorochlorophosphate anions, the preparation thereof and the use thereof, in particular as ionic liquids.
    Type: Application
    Filed: December 7, 2007
    Publication date: January 7, 2010
    Applicant: MERCK PATENT GESELLSCHAFT
    Inventors: Nikolai Ignatyev, German Bissky, Helge Willner